Three moles of carbon dioxide are produced when one mole of propane gas is burned. How many moles of carbon dioxide gas will be produced if 30 moles of propane are burned?

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

Why is the bottom layer of a trophic pyrimid the

In an exothermic reaction, energy may be released to the surroundings in the form of question 4 options: heat light thermal all of the above