How many moles of pentane (C5H10) are reacting when 5.00 moles of carbon dioxide are produced?___C5H10 +  ___O2  

In the combustion of natural gas according to the equation ___CH4 + ___O2 

According to the following equation:___Fe  +  ___O2  

When calcium chloride dissolves in water, what ions are present?

A gas has a density of 1.54 grams/liter at 1.14 atm and 15°C. Calculate the molar mass of the gas.

What is the temperature in degrees Celsius of 0.0250 mole of hydrogen gas if it occupies 665 mL at 715 torr?

27.7 L of a gas is cooled at constant pressure from 87°C to 24°C. What will the volume be at the lower temperature?

How many moles of carbon dioxide are produced by the complete combustion of 5.00 moles of C5H10?___C5H10 +  ___O2  

Convert 3.71 atm to psi

10.7 L of a gas at 1.75 atm are expanded to 20.0 L at a constant temperature. What is the new gas pressure?