How does hot object produce heat? The hot objects create hot air producing heat.
Movement of the hot object creates heat.
Molecules in the hot objects create friction to produce heat energy.
Heat is absorbed the object from the air around it.

Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?