Any molecule that serves as an electron acceptor will be

Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.

What occurs during a combustion reaction

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?