1kg slab of concrete loses 12,000j of heat when it cools from 30 celsius to 26 celsius. determine the specific heat capacity of concrete.

Will a heavier bowling ball hit pins better than a lighter bsll

Is it possible to use the energy from two atoms colliding to create a clean burning lasting fuel source with a large amount of force? is it also possible to harness that energy from the two atoms colliding to create a clean energy source that will last for years from just two atoms colliding. is there a possibility to control and store that energy for years but slowly let the energy out enough to power cities cheaper and faster.

Which of the choices below is one of the primary gases found in the atmosphere? a. helium b. carbon dioxide c. nitrogen d. argon