Multiple Choice
Consider the reaction between hydrogen and oxygen gases to form water: 2H2(g) + O2(g) 2H2O(l) Which of the following is not conserved in this reaction?
A) atoms
B) moles of atoms
C) moles of molecules
D) mass
Correct Answer:

Verified
Correct Answer:
Verified
Q12: Consider the reaction N<sub>2</sub>(g) + O<sub>2</sub>(g)
Q13: When ethanol, C<sub>2</sub>H<sub>5</sub>OH, a component in
Q14: Consider the reaction between acetylene, C<sub>2</sub>H<sub>2</sub>,
Q14: The limiting reactant in a chemical reaction
Q15: When mixed, solutions of copper(II) nitrate,
Q17: When mixed, solutions of silver nitrate,
Q18: When one molecule of propane, C<sub>3</sub>H<sub>8</sub>,
Q20: When phosphorus reacts with chlorine, phosphorus
Q21: Iron metal reacts with hydrochloric acid
Q67: In a bomb calorimeter, the bomb itself,