Part A Which of the following represents a chemical property of hydrogen gas? Which of the following represents a chemical property of hydrogen gas? It is gaseous at room temperature. It is colorless. It is tasteless. It reacts explosively with oxygen. It is less dense than air.

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules

Which fossil fuel is mainly used for heating and cooking? a. electricity b. coal c. petroleum d. natural gas