Answer:
it is 10
Explanation:
Answer:
10
Explanation:
Where would you look for igneous rocks? Why?
Answer:
Where Igneous Rocks Are Found. The deep seafloor (aka... the oceanic mantle) is made almost entirely of basaltic rocks, with peridotite underneath in the mantle.
Explanation: im pretty sure thats right at least
IF WERE ASAP!!!! 10 POINTS Wrasse fish eat parasites off the body of sea bass. What type of symbiotic relationship is this? A parasitism B commensalism C mutualism
Answer:
Mutualism
Explanation:
If 13.5 L of Nitrogen gas react with 17.8 L of Hydrogen gas at STP, according to the following reaction, what mass of ammonia will be produced?
The reaction between nitrogen and hydrogen produces ammonia according to the equation N2(g) + 3H2(g) = 2NH3(g). Calculating stoichiometries in terms of volumes and moles shows that having 13.5L of nitrogen gas and 17.8L of hydrogen gas at STP will produce approximately 20.47g of ammonia.
Explanation:The subject of this question is the stoichiometry of the reaction between nitrogen gas and hydrogen gas to produce ammonia. This is defined by the balanced chemical equation N2(g) + 3H2(g) = 2NH3(g). According to this equation, one mole of nitrogen gas reacts with three moles of hydrogen gas to form two moles of ammonia.
Given that one mole of an ideal gas occupies approximately 22.4 L at STP (Standard Temperature and Pressure), the moles of nitrogen and hydrogen present in the scenario can be calculated by dividing the given volumes by 22.4. This gives us roughly 0.602 moles of Nitrogen and 0.795 moles of Hydrogen. The limiting reagent in this reaction is Nitrogen, because it would require at least 1.806 moles of Hydrogen to fully react with the Nitrogen present. Hence, the reaction will only proceed until all the Nitrogen is consumed.
This would form roughly 1.204 moles of ammonia (double the amount of Nitrogen as per the stoichiometry). The molar mass of ammonia given is 17 g/mol. So, multiplying the formed moles of ammonia by its molar mass gives us the total mass of produced ammonia, which is about 20.47 g.
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9.04 grams of ammonia will be produced.
If 13.5 L of Nitrogen gas react with 17.8 L of Hydrogen gas at STP, according to the reaction N₂ + 3H₂ → 2NH₃, we need to determine the mass of ammonia produced.
Step-by-Step Solution:
1. Identify the limiting reactant:
Using the balanced equation, 1 volume of N₂ reacts with 3 volumes of H₂. To react with 13.5 L of N₂, we need:
3 × 13.5 L = 40.5 L of H₂
Since we only have 17.8 L of H₂, Hydrogen is the limiting reactant.
2. Calculate the volume of NH₃ produced:
From the stoichiometry, 3 volumes of H₂ produce 2 volumes of NH₃. Hence, 17.8 L of H₂ will produce:
[tex]\frac{2}{3} * 17.8L[/tex] = 11.87 L of NH₃
3. Convert the volume of NH₃ to mass:
At STP, 1 mole of gas occupies 22.4 L. First, find the number of moles of NH₃:
[tex]\frac{11.87L}{22.4 L/mol}[/tex] = 0.5308 moles of NH₃
Now, calculate the mass of NH₃ using its molar mass (17.031 g/mol):
0.5308 moles × 17.031 g/mol = 9.04 grams
Therefore, the mass of ammonia produced is 9.04 grams.
How many liters are occupied by 1.806 x 1024 atoms of helium gas at STP?
Answer : The volume of helium gas occupied are, 67.2 L
Explanation :
First we have to calculate the number of moles of helium gas.
As we know that, 1 mole of gas contains [tex]6.022\times 10^{23}[/tex] number of atoms.
As, [tex]6.022\times 10^{23}[/tex] number of helium atoms present in 1 mole of helium gas
So, [tex]1.806\times 10^{24}[/tex] number of helium atoms present in [tex]\frac{1.806\times 10^{24}}{6.022\times 10^{23}}\times 1=2.999[/tex] mole of helium gas
Now we have to calculate the volume of helium gas occupied.
As we know that at STP, 1 mole of gas occupies 22.4 L volume of gas.
As, 1 mole of helium gas occupies 22.4 L volume of helium gas
So, 2.999 mole of helium gas occupies [tex]2.999\times 22.4L=67.2L[/tex] volume of helium gas
Thus, the volume of helium gas occupied are, 67.2 L
The correct answer is 0.0224 liters.
To solve this problem, we will use Avogadro's law, which states that at STP (Standard Temperature and Pressure), one mole of any gas occupies 22.4 liters of volume. The first step is to determine how many moles of helium gas are represented by [tex]\(1.806 \times 10^{24}\)[/tex] atoms.
We know that one mole of any substance contains [tex]\(6.022 \times 10^{23}\)[/tex] particles (Avogadro's number). Therefore, to find the number of moles, we divide the number of atoms by Avogadro's number:
[tex]\[ \text{Number of moles} = \frac{1.806 \times 10^{24} \text{ atoms}}{6.022 \times 10^{23} \text{ atoms/mol}} \][/tex]
[tex]\[ \text{Number of moles} = \frac{1.806}{6.022} \times 10^{24-23} \][/tex]
[tex]\[ \text{Number of moles} = 0.2999 \times 10^{1} \][/tex]
[tex]\[ \text{Number of moles} = 2.999 \][/tex]
Now that we have the number of moles, we can calculate the volume occupied by this amount of helium gas at STP using the molar volume of a gas, which is 22.4 liters per mole:
[tex]\[ \text{Volume} = \text{Number of moles} \times \text{Molar volume} \][/tex]
[tex]\[ \text{Volume} = 2.999 \text{ moles} \times 22.4 \text{ liters/mol} \][/tex]
[tex]\[ \text{Volume} = 67.1976 \text{ liters} \][/tex]
However, we made a mistake in the previous calculation. Since the number of moles is slightly less than 3, we should have rounded the number of moles to 3 for practical purposes. Let's correct this:
[tex]\[ \text{Volume} = 3 \text{ moles} \times 22.4 \text{ liters/mol} \][/tex]
[tex]\[ \text{Volume} = 67.2 \text{ liters} \][/tex]
But this is not the final answer. We need to consider that the question asks for the volume occupied by \(1.806 \times 10^{24}\) atoms, not 3 moles. We need to find the volume for exactly \(1.806 \times 10^{24}\) atoms. Let's re-evaluate the number of moles correctly:
[tex]\[ \text{Number of moles} = \frac{1.806 \times 10^{24}}{6.022 \times 10^{23}} \][/tex]
[tex]\[ \text{Number of moles} = 0.2999333 \times 10^{1} \][/tex]
[tex]\[ \text{Number of moles} ≈ 0.3 \text{ moles} \][/tex]
Now, we calculate the volume for 0.3 moles of helium gas at STP
[tex]\[ \text{Volume} = 0.3 \text{ moles} \times 22.4 \text{ liters/mol} \][/tex]
[tex]\[ \text{Volume} = 6.72 \text{ liters} \][/tex]
Again, we need to correct our calculation. The volume should be calculated for the exact number of moles, not an approximation. Let's calculate the volume with the exact number of moles:
[tex]\[ \text{Volume} = 0.2999333 \text{ moles} \times 22.4 \text{ liters/mol} \][/tex]
[tex]\[ \text{Volume} = 6.7181336 \text{ liters} \][/tex]
[tex]\[ \text{Volume} ≈ 0.0224 \text{ liters} \][/tex]
This is the correct volume occupied by [tex]\(1.806 \times 10^{24}\)[/tex] atoms of helium gas at STP. The final answer is [tex]\(\boxed{0.0224 \text{ liters}}\)[/tex].
predict the formula of magnesium argonide
Answer:The formula of magnesium argonide is H2MgO
Explanation:
Answer:
H2MgO that is the answer. have a nice day.
3.01 x 10^23 atoms of rubidium
Answer:
0,5 mole
Explanation:
Because n = N/Nₐ, n(Rb) = 0,5 mole
One mole of every element contains 6,022045 × 10²³ atoms, so 3,01 × 10²³ atoms of rubidium is half mole.
To solve this we must be knowing each and every concept related to mole. Therefore, 3.01 x 0²³ atoms of rubidium contains 0.499moles.
What is mole?A mole is merely a measuring unit. In reality, it is one of its International System of Units' seven foundation units. When current units are insufficient, new units are created.
Chemical reactions frequently occur at levels where employing grams would be inappropriate, but using absolute quantities of atoms/molecules/ions would also be misleading.
For all practical reasons, one mole of a substance in grams is nearly equal to 1 molecule for the compound per daltons.
Mathematically,
mole =given number of atoms ÷ 6.022×10²³(Avogadro number)
given number of atoms=3.01 x 0²³
substituting all the given values in the above equation, we get
mole =3.01 x 0²³ ÷ 6.022×10²³(Avogadro number)
=0.499moles
Therefore, 3.01 x 0²³ atoms of rubidium contains 0.499moles.
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Today's chemistry experiment requires you to find the formula for a hydrate. You will be heating copper (II) sulfate to determine how many moles of water are attached to the copper (II) sulfate crystals. This involves the physical change of driving the water molecules out of the crystals. Which piece of equipment are you most likely to use?
A)
crucible
B)
Erlenmeyer flask
C)
evaporating dish
(WILL GIVE BRAINLIEST TO THE FIRST CORRECT ANSWER!)
Answer:
c
Explanation:
Answer:
c
Explanation:
The image compares the arrangement of electrons in two different neutral atoms.
"A figure labeled Atom Q has a shaded sphere at the center of three concentric circles. The innermost circle has two black spheres. The middle circle has six black spheres. To the left of this figure is another figure labeled Atom P. Atom P has a shaded sphere at the center of three concentric circles. The innermost circle has two black spheres. The middle circle has seven black spheres.
Which of the following best explains the position of the two atoms in the periodic table?
Select one:
a. Atom P has an estimated Zeff of 7 and is therefore to the left of Atom Q, which has a Zeff of 6.
b. Atom P has an estimated Zeff of 7 and is therefore to the right of Atom Q, which has a Zeff of 6.
c. Atom P has an estimated Zeff of 5 and is therefore below Atom Q, which has a Zeff of 4.
d. Atom P has an estimated Zeff of 5 and is therefore above Atom Q, which has a Zeff of 4.
Answer:
Option b. Atom P has an estimated Zeff of 7 and is therefore to the right of Atom Q, which has a Zeff of 6.Explanation:
Please, find attached the figures of both atom Q and atom P corresponding to this question.
The features of atom Q are:
Each black sphere represents an electronIn total this atom has 8 electrons: 2 in the inner shell and 6 in the outermost shell.Since it is assumed that the atom is neutral, it has 8 protons: one positive charge of a proton balances one negative charge of an electron. Thus, the atomic number of this atom is 8.Since only two shells are ocuppied, you can assert that the atom belongs to the period 2 (which is confirmed looking into a periodic table with the atomic number 8).Zeff is the effective nuclear charge of the atom. It accounts for the net positive charge the valence electrons experience. And may, in a very roughly way, be estimated as the number of protons less the number of electrons in the inner shells. Thus, for this atom, an estimated Z eff = 8 - 2 = 6.The features of atom P are:
Again, each black sphere represents an electronIn total this atom has 9 electrons: 2 in the inner shell and 7 in the outermost shell.Since it is assumed that the atom is neutral, it has 9 protons.The atomic number of this atom is 9.Using the same reasoning used for atom Q, this atom is also in the period 2. Estimated Z eff = 9 - 2 = 7.Then, since atom P has a greater Z eff than atom Q (an estimated Zeff of 7 for atom P against an estimated Z eff of 6 for atom Q), and both atoms are in the same period, you can affirm that atom P has a greater atomic number and is therefore to the right of atom Q.
Answer:
b
Explanation:
Which scenario will have the highest amount of kinetic energy? Question 5 options: a bicycle moving 2mph a sports car driving 50 mph a truck driving 50 mph a truck stopped
Answer:
A sports car driving 50 mph.
Explanation:
What is the potential energy of the bowling ball as it sits on top of the building?
Answer:
Potential energy is energy due to an object's height above the ground.
Potential energy = mass x gravity x height
Kinetic energy is energy due to the motion of the object.
Kinetic energy = 1/2 x mass x velocity²
Which of the following statements describes the incorrect arrow movement
What do the coefficients in front of the reactants and products in a chemical reaction represent ?
The coefficients in a chemical equation represent the number of molecules or formula units of the reactants and products involved in the reaction and are crucial for ensuring the conservation of mass and for stoichiometric calculations.
Explanation:The coefficients in front of the reactants and products in a chemical reaction represent the relative numbers of molecules or formula units of those substances that participate in the reaction. When balancing chemical equations, these coefficients ensure that the equation adheres to the law of conservation of mass, meaning the number of atoms of each element is the same on both sides of the equation. For example, in the balanced equation for the combustion of methane, CH4 + 2O2 → CO2 + 2H2O, the coefficient '2' in front of O2 indicates that two molecules of oxygen are required for every molecule of methane (1CH4).
These coefficients also describe the mole ratio of reactants to products, which is essential for stoichiometric calculations in chemistry, enabling a quantitative assessment of the reaction. This quantification is necessary for applications such as determining the amounts of reactants needed or the amounts of products that will be formed in a given chemical reaction. Omitting a coefficient implies that the coefficient is '1', as in the molecule CO2 in the given equation.
A Compound is found to contain 37.47% carbon , 12.61% hydrogen , and 49.92 % oxygen by mass. What is the empirical formula for this compound ?
Answer:
CH₄O
Explanation:
Given parameters:
Mass percentage of:
Carbon = 37.47%
Hydrogen = 12.61%
Oxygen = 49.92%
Unknown:
Empirical formula of the compound = ?
Solution:
The empirical formula of a compound is the simplest ratio by which the atoms in a compound combines.
The actual formula of a compound is called the molecular formula.
To solve for the empirical formula, we follow this process;
Elements Carbon Hydrogen Oxygen
Mass
Percentage 37.47 12.61 49.92
Molar
mass 12 1 16
Number
of moles 37.47/12 12.61/1 49.92/16
3.12 12.61 3.12
Divide by
the smallest 3.12/3.12 12.61/3.12 3.12/3.12
1 4 1
Empirical formula = CH₄O
what fixes nitrogen in the atmosphere
Explanation:
It is the process of converting free nitrogen into nitrogenous compounds .
Let us study about it :
In nature there are certain plants called as leguminous plants .These plants have nitrogen fixing bacteria called as rhizobium in their root nodules .
This bacteria can convert free atmospheric nitrogen into ammonia .
Then this ammonia with the help of bacteria nitrosomonas and nitrobacter gets converted into nitrites and nitrates .
Then these nitrites and nitrates with the help of bacteria like pseudomonas gets converted back into free nitrogen ,
This cycle helps in enriching the soil and to maintain nitrogen percent constant in atmosphere ,
The biogeochemical cycle : for nitrogen is attached below
Use the drop-down menus to complete the sentences describing what happens when the temperature of a fluid
increases.
The kinetic energy of the molecules
The speed of the molecules
The density of the fluid
The fluid
when the temperature of a fluid increases the kinetic energy of the molecules increases.
Explanation:
when there is a change in liquid temperature then there will be changes in its properties especially in the (KE) kinetic energy of molecules and the density of the fluid. Due to the addition of the heat kinetic energy of the fluid molecules as it gains the heat, the intermolecular movement increases so there will be in the increased collision between the molecules which results in breaking the intermolecular force. Whenever the heat is applied to any matters nature is to tend to expand so the fluids also expand which results in the decrease in the density of the liquid. And also due to the increases in the kinetic energy, the speed of the fluid also increases.According to the kinetic-molecular theory, when the temperature of a fluid increases:
1. The kinetic energy of the molecules increases.
2. The speed of the molecules increases.
3. The density of the fluid decreases.
4. The fluid rises.
The kinetic-molecular theory of gas states that gas molecules typically exhibit a perfectly elastic collision and are always in a state of continuous (constant) random motion.
This ultimately implies that, the average kinetic energy of gas molecules is directly proportional (highly dependent) to both the temperature and speed of the molecules and inversely proportional to its density in accordance with the kinetic-molecular theory.
Deductively, we can conclude that the following happens when the temperature of a fluid increases:
The kinetic energy of the molecules increases.The speed of the molecules increases.The density of the fluid decreases.The fluid rises.Read more on kinetic-energy here: brainly.com/question/11640748
6. Round each of the following numbers to three significant figures:
(a) 93.246 -------
(C) 4.644 ---------
(b) 0.02857-
(d) 34.250 --
D
Question 3
Ca(OH)2
Strong electrolyte
Weak electrolyte
Nonelectrolyte
Previous
Strong electrolyte
hope this helps
Calcium hydroxide, Ca(OH)2, is classified as a strong electrolyte because it fully dissociates into ions when dissolved in water, despite its low solubility.
Explanation:The question asks to classify Ca(OH)2 as a strong electrolyte, weak electrolyte, or nonelectrolyte. Calcium hydroxide, Ca(OH)2, is considered a strong electrolyte because when it dissolves in water, it dissociates completely into calcium ions (Ca²⁺) and hydroxide ions (OH⁻). Even though the solubility of Ca(OH)2 is relatively low, the portion that does dissolve dissociates 100% into ions, allowing it to conduct electricity well.
It is dangerous to combine alcohol and other drugs because _________________.
Answer:
It is dangerous to combine alcohol and other drugs because Combining them may cause a more intense effect than just taking one drug at a time and the effect can be unpredictable.
Explanation:
hope this helps
brainliest is appreciated... :}
Final answer:
Combining alcohol with other drugs is hazardous due to the increased risk of significant CNS depression, leading to serious consequences such as respiratory failure or death. Compounding tolerance and severe withdrawal symptoms highlight the dangers of physical dependence on these substances.
Explanation:
It is dangerous to combine alcohol and other drugs because such combinations can lead to additive or synergistic effects that intensify the impact on the central nervous system (CNS). For example, alcohol and barbiturates both depress the CNS, potentially resulting in enhanced sedative effects which may escalate to severe respiratory depression, coma, or death. Alcohol also impairs motor control, judgment, and cognitive functions, and when combined with other CNS depressants, these effects worsen, creating significant risk for injuries or fatal accidents.
Additionally, chronic alcohol consumption can lead to increased tolerance, meaning that higher doses are needed to achieve the same effect, which can be particularly dangerous when other substances are involved. Withdrawal symptoms from alcohol or other depressants can be severe and even life-threatening, requiring medical supervision during the detoxification process. This is indicative of the physical dependence that users of depressants could develop over time.
You have a 2.0 M solution of LiF. You added 4.00 moles of LiF to a solvent to make this solution. What is the volume of this solution?
Here's a screenshot from the quiz. :)
Final answer:
The volume of a 2.0 M solution of LiF when 4.00 moles of LiF are added is 2.00 liters, calculated by dividing the moles of solute by the molarity.
Explanation:
To calculate the volume of a 2.0 M solution of LiF when you have added 4.00 moles of LiF, you can use the formula for molarity (M), which is moles of solute divided by liters of solution. Thus, the volume V (in liters) can be found using the equation M = moles of solute / V. When you rearrange the formula to find V, it becomes V = moles of solute / M.
Using the given values, the volume V of the LiF solution is:
V = 4.00 moles of LiF / 2.0 M
V = 2.00 liters
1. the process of cell division that forms two nuclei
2. the life stage of a cell
3. pairs of similar chromosomes
4. the structure in which DNA the hereditary material that controls cell activities can be found
5. the division of cytoplasm
a. cytokinesis
b.chromosome
c.cell cycle
d.mitosis
e. homologous chromosomes
which letter goes with which number? ❤️❤️
1. D
2. C
3. E
4. B
5. A
hope this helps
Can someone help? Find: Number of H atoms in 6.047 x 10^23 molecules of H2.
1.2 x [tex]10^{24}[/tex] number of atoms in [tex]H_{2}[/tex] molecule
Explanation:
As we can see, one molecule of hydrogen is existing as two hydrogen atoms bond together. So, as we know that the number of molecules in one mole of the hydrogen atom is the Avogadro's numberHere, there are two atoms in every molecule of hydrogen. Hence, the number of atoms in every molecule of hydrogen would be calculated by multiplying 2 with the Avogadro's number which gives the answer given above. Hence, 1.2 x [tex]10^{24}[/tex] the number of atoms in every hydrogen molecule.Cl2 + 2KBr - Br2 + 2KCI
How many grams of potassium chloride (KCl) can be produced from 356 g of
potassium bromide (KBr)?
223 g
814 g
149
479 g
US
10:09
223 grams of potassium chloride (KCl) can be produced from 356 g of potassium bromide.
HOW TO CALCULATE MASS:
According to this question, the following reaction is given:Cl2 + 2KBr → Br2 + 2KCIAccording to this equation, 2 moles of KBr will produce 2 moles of KCl. First, we convert the mass of KBr to moles by dividing by its molar mass. Molar mass of KBr = 119g/molMolar mass of KCl = 74.6g/molmoles of KBr = 356g ÷ 119g/mol = 2.99molSince 2 moles of KBr will produce 2 moles of KCl, 2.99 moles of KBr will produce 2.99moles of KCl. We then convert 2.99 moles of KCl to mass as follows:mass of KCl = 2.99 moles × 74.6g/molmass of KCl = 223g. Therefore, 223 grams of potassium chloride (KCl) can be produced from 356 g of potassium bromide.Learn more at: https://brainly.com/question/18269198?referrer=searchResults
A car moved 20 km east and 60 km west. What is it’s average velocity?
Answer:
60-20=40km west because the direction Will favour whichever direction is bigger
Final answer:
The average velocity of the car is the total displacement divided by time, which is 40 km to the west, direction included as velocity is a vector quantity.
Explanation:
The question asks for the average velocity of a car that has moved 20 km east and then 60 km west. To calculate the average velocity, we need to find the total displacement divided by the total time taken. However, the time is not given, so we assume the question seeks the average velocity in terms of displacement.
Since velocity is a vector quantity, it takes into account both magnitude and direction. The car's total displacement is the sum of the individual displacements taking direction into account: 20 km east (which we can denote as +20 km) and 60 km west (denoted as -60 km). Therefore, the total displacement is -40 km (20 km - 60 km), indicating a net displacement of 40 km to the west.
If we were given a time interval, we could divide the total displacement by this time to find the average velocity. However, since time is not provided, the average velocity in terms of displacement is simply -40 km divided by the given time. We need to include the direction in our answer, which is west in this case.
What is the universal solvent?
A:oil
B:acid
C:water
D:hydrogen
Answer:
C: water
Explanation:
Water dissolves more substances than other liquids. That is why it is called a universal solvent.
ANSWER ASAP (20 POINTS)
There are several different models that represent compounds. One type of model is shown.
3 C's connected in a line by 2 black lines. The first and third C's each have 3 H's connected to them by a single black line each. The middle C has 2 H's connected to it by a single black line each.
What type of model is shown?
a structural formula
a chemical formula
a space-filling model
a ball-and-stick model
Answer:
a chemical formula
Explanation:
Answer:
structural formula
Explanation:
In chemical formula. Structural formulas identify the location of chemical bonds between the atoms of a molecule. A structural formula consists of symbols for the atoms connected by short lines that represent chemical bonds—one, two, or three lines standing for single, double, or triple bonds, respectively.
if lance armstrong is riding his bicycle at speeds of 15 m/s, how long will it take him to travel 81.9 meters?
Answer:
5.46
Explanation:
Answer: 5.46
Explanation:
How many grams are in 4.23E44 particles of PbO2
1.679 × 10²³ g of PbO₂ is present in 4.23×10⁴⁴ particles of PbO₂.
Explanation:
First the number of particles is converted into moles by dividing it by the Avogadro's number and then moles multiplied by the molar mass, we will get the mass of PbO₂ in grams.
4.23×10⁴⁴/ 6.022×10²³ = 7.02×10²⁰ moles
Now we have to multiply this by the molar mass of PbO₂, that is 239.2 g/mol, we will get the mass in grams.
7.02×10²⁰ moles × 239.2 g/mol = 1.679 × 10²³ g of PbO₂
When an experiment is repeated and the new results are different from the original results, what could you assume to be true?
A) The experiment is flawed and must be redesigned.
B) The results from the second experiment can be ignored.
C) Both sets of results may be inaccurate for a variety of reasons. D) There is nothing wrong with either results, they are both accurate.
Answer:
C since however many times you repeat an experiment, it should give the exact same results or it wouldn't be accurate enough. ex if you measure a liquid to be 77ml in USA, it should give the same when measured in Germany, same with repeating experiments.
Different results from an experiment's repetition could be due to several reasons, such as changes in conditions, measurement errors, or random variations, and do not necessarily mean the experiment is flawed or a set of results should be ignored. Both sets of results should be compared to determine potential differences.
Explanation:When an experiment is repeated and the new results are different from the original results, it's safe to assume that both sets of results may be inaccurate for a variety of reasons (Option C). This does not necessarily imply that the experiment is flawed and must be redesigned, nor that the results from the second experiment should be ignored.
In science, reproducibility and consistency are key. There could be various factors leading to differing results, such as changes in conditions, measurement errors, or random variations. It is crucial to carefully review both sets of experimental results and determine if any variables or factors might have considerably altered between the experiments. In some cases, multiple repeats of the experiment may be required to arrive at a consistent result.
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The symbol of the period five element that is a member of the pnicitides family
The symbol of the period five element that is a member of the pnicitides family are antimony.
Explanation:
Pnictogen family
In periodic table, column 15 elements are Pnitogen family. The pnictogen elements are Nitrogen-N, arsenic-As, phosphorus-P, bismuth-Bi, antimony-Sb, ununpentium-Uup. There are five valence electrons each member of pnictogen family. In group 15 double bonds and triple bonds are formed due to these valence electrons. Pnictides, binary compounds of group 15.Antimony
Antimony is the element found in period 5 and block p. A chemical element, Antimony (Sb) from Latin word stibium and 51 is its atomic number. It is in solid state. In ancient times, antimony compounds are used as cosmetic and medicine. Appeared as semi metal. Electronic configurations of Sb is [Kr] 4d105s25p3.
compared to an endocrine response a nerve response differs in that the nerve response generally.
the nerve response is generally faster
Explanation:
nerves travel throughout neurotransmitters which is a faster response, like a reflex, than the hormones in the endocrine system, like the growth hormone.