Find for the reaction: ch4(g) + 202(g) ? co2(g) + 2h20(1). [ahg (ch4(.8 kj/mol; ? ? 'f (co2(.5 kj/mol; ? ? 'r(h2o(.5 kj/mol] (you must show your work to get credit)

What is the mass of 0.46 mol of mgcl2

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?