How many moles of carbon dioxide are produced when 19.3 mol of propane gas is burned in excess oxygen? a. 57.9 mol b. 6.43 mol c. 32.2 mol d. 6.84 mol?

Which type of reaction always has an element and a compound as reactants

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral

Nonpoint source pollution is difficult to control because it