2H2 + O2 2H20
How many moles of oxygen are consumed if 8 moles H2 are used?

Compare and contrast physical changes with chemical changes.

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

What is the percentage composition of carbon in the compound ch4