How long does it take earth to complete one rotation

A child has a balloon in his house in the air conditioning. He goes outside with the balloon on a hot day. What happens to the temperature of the gas and volume of the balloon?

What do you make when you hit a rock with a hammer

Owning a swimming pool requires making sure that the pH of the pool water is between 7.0 and 7.6, because it is the optimal pH for

What is the relationship between the solubility of solid in liquid and temperature of the liquid

What is something that is not moving with respect to an observer that can be used to detect motion

Does skin have a nucleus true or false

Bacteria are only found in decaying matter. A. True B. False

Which is considered a chemical mutagen? tanning beds tobacco X-rays precious metals

Combining 0.380 mol Fe2O3 with excess carbon produced 13.7 g Fe Fe2O3 + 3C → 2Fe + 3CO What is the actual yield of iron in moles? What is the theoretical yield of iron in moles? What is the percent yield?

When a hydrogen electron makes a transition from n=3 to n=1?