How much heat, in joules, would be required to raise the temperature of 450g of Aluminum from 19.5 degrees Celsius to 31.2 degrees Celsius

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

The best solution for preventing harm to people and pets from severe hurricanes involves determining and warning residents about what

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?