27. For the reaction 2 H2 + O2 → 2 H20, how
many moles of H2O would you get from 2.0169
H2?
a. 2.016 mol H2O b. 1 mol H2O
c. 2 mol H2O
d. 4 mol H2O

2H₂ + O₂ → 2H₂O

You will need to use stoichiometry to solve this problem.  The stoichiometric factor will need to relate H₂ and H₂O.  From the equation, we see that for every two H₂ molecules that react, two H₂O molecules are produced, so the factor is .  The twos reduce, making this a one-to-one ratio.

a. 2.016 mol H₂O

Hint: Because of significant figures, the other three answers would be wrong by default.

answer

fusion: the energy source of stars. the energy released from the collapse of the gas into a protostar causes the center of the protostar to become extremely hot. when the core is hot enough, nuclear fusion commences. fusion is the process where two hydrogen atoms combine to form a helium atom, releasing energy.

hope it