A gas occupies a volume of 498 ml at a pressure of 1.01 kPa. When the pressure is changed the volume becomes 477ml. If there has been no change in temperature, what is
the new pressure in kPa?

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

Fossil fuels are organic compounds that are made from

How does the value of the equilibrium constant show that a reaction reaches equilibrium very quickly? (a) the equilibrium constant is large. (b) the equilibrium constant is small. (c) the equilibrium constant is zero. (d) the value of the equilibrium constant does not show how quickly a reaction comes to equilibrium.