A certain mass of gas occupies 2.0 L at 60 kPa. What pressure allows the gas to expand to 7.5 L?

What is the force of an object when it landed(sitting in the ground)

As rock is worn away by waves on a coastline, the land that takes a little longer to wear away can from a

Enzymes are always consumed by catalyzing a reaction increase the rate at which a reaction occurs sometimes increase the amount of energy necessary to initiate a reaction catalyze reactions that release energy, but not those that consume energy