Which of the following would indicate a change in the amount of total energy in a substance? Check all that apply.

A) change in color from green to blue.
B) A rise in temperature from 10 degrees celsius to 30 degrees celsius.
C) A loss of mass from 185 g to 143 g.
D) 500 mL of liquid in a beaker placed into 2 beakers of 250 mL each.
E) A liquid freezing into a solid,

Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct

In a good thermo flask the main cause of heat loss is

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