How much heat is needed to turn 4 kg of steam at 100°C into 4kg of liquid water at 100°C? Is the heat added to the water or removed from the water?

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

Consider an ideal gas at 27.0 degrees celsius and 1.00 atmosphere pressure. imagine the molecules to be uniformly spaced, with each molecule at the center of a small cube. what is the length l of an edge of each small cube if adjacent cubes touch but don't overlap?

Bahan yang digunakan mencegah terjadinya polarisasi pada batu baterai a.larutan h2so4b.mncl2 dan serbuk karbonc.pbso4d.nh4cl