What happens to a catalyst after a reaction?

My high school chemistry is learning this and I don't understand it. "Heat is measured by the following equation: q=m-c-AT

What electron could have quantum numbers n = 4, l = 2, ml = - 2, ms = - ?

The rate at which work is done is called what

How is the rotation of the sun different from the rotation of earth

Explain why the air inside of the balloon has more pressure than the air outside.

plate a and plate b are both continental plates. what is ghe most likely result if the two plates collide?

According to the second law of thermodynamics, the entropy of any system always increases. According to the second law of thermodynamics, the entropy of any system always increases. True False

If the density of Cu is 8.96g/cm cubed, what is the volume of 28kg of Cu?

A piece of iron can change in different ways. How is iron bending different from iron rusting?

Which organism would least likely be selectively bred A) Dandelions B) Nantes Carrots C) Belgian Blue Cattle D) Hypoallergenic Cats