Avogadro's law relates the volume of a gas to the number of moles of gas when temperature and pressure are constant. According to this law, how would the volume of a gas change if a reaction produced 3 moles of gas from 1 mole of gaseous reactants?A.The volume would be one-third of the original volume.B.The volume would be one-ninth of the original volume.C.The volume would be three times the original volume.D.The volume would be nine times the original volume.
Question
Avogadro's law relates the volume of a gas to the number of moles of gas when temperature and pressure are constant. According to this law, how would the volume of a gas change if a reaction produced 3 moles of gas from 1 mole of gaseous reactants?A.The volume would be one-third of the original volume.B.The volume would be one-ninth of the original volume.C.The volume would be three times the original volume.D.The volume would be nine times the original volume.
Solution
According to Avogadro's law, the volume of a gas is directly proportional to the number of moles of gas, given that temperature and pressure are constant. This means that if the number of moles of gas increases, the volume of the gas also increases proportionally.
In this case, the reaction is producing 3 moles of gas from 1 mole of gaseous reactants. This is a threefold increase in the number of moles of gas.
Therefore, according to Avogadro's law, the volume of the gas would also increase threefold.
So, the correct answer is C. The volume would be three times the original volume.
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