Which best explains why a firework being ignited is an example of an exothermic reaction and not an endothermic reaction? A)The fireworks produce colors.

B)The fireworks give off heat.

C)Igniting the fireworks requires energy

D)Igniting the fireworks makes an odor.

You have a sample of a gas that occupies a volume of 17ml at -111 degrees celsius. what volume does the sample occupy at 88 degrees celsius? show all work asap

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.

When a nucleus absorbs a neutron and then breaks apart, there are many products of the reaction. what is not a product of a nuclear fission reaction