The chemical equation for the combustion of hydrogen is shown below. A scientist burns 6 g of H2 in excess oxygen
and collects 40 g of water. What is the percentage yield of
the reaction?
2H*2 + O*2 2H*2*0

samuel de champlain. in 1608, king henry iv sponsored pierre dugua, sieur de mons and samuel de champlain as founders of the city of quebec with 28 men. this was the second permanent french settlement in the colony of canada.

the answer to your question is c.

if you read the house of usher you should know that the house was haunted

i'm pretty sure it is letter c.) car