What mass of O2 will be needed to burn 36.1 grams of B2H6

Aman applies a force of 500n to push a truck 100m down the street how much does he do?

Me soon im confused much mass would a mole of hydrogen molecules contain? recall that hydrogen is diatomic. g/mol

What is matter? a. anything that has mass and takes up space b. something that has volume and takes up space. c. things that have energy and take up space d. things that take up space but don't have mass