Can y’all plz help me with this Fa brainliest show ya work

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

How many moles are in 43.9 l of oxygen

Predict the reactants of this chemical reaction. that is, fill in the left side of the chemical equation. be sure the equation you submit is balanced. (you can edit both sides of the equation to balance it, if you need to.) note: you are writing the molecular, and not the net ionic equation. > cacl2(aq) + h20(l)