How many pounds is .79 g/ cm3 white gas?

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

We are hoping to create 5.72 grams of glucose. the plant was given 4.75 liters of co2 and 2.81 g of h20. which reactant was the limiting reagent? how much excess mass did we have of the other reactant?

What is the value of the standard enthalpy of formation of an element in its most stable form?