Which energy change best relates to a boulder that is rolling down the side of a hill?

What is the chemical reaction for Mg + NaOH also with the ionic equations and subscripts?

Heat required to raise 1 g of a substance 1°C

How many significant figures are in 8790.9

Select all the correct answers. Which actions would increase the rate at which salt dissolves in water? Stir the water. Crush the salt. Use less water. Heat the water. Cool the salt.

Which is the common ion when sodium sulfate is added to a solution of barium sulfate? na + ba 2 + so4 2 - ?

Is burning wood a physical change

A gas is located inside a closed container. if the gas is allowed to occupy more volume inside the container, what will happen to the pressure? (note: there is no gas added to the container.)

An open-end manometer containing mercury was connected to a vessel holding a gas at a pressure of 767 torr. The atmospheric pressure was 724 torr. What is the difference in the heights of the mercury, expressed in cm?

When does raising the temperature of a gas increase its pressure? A. temperature B. volume C. number of particles D. pressure

Hexyne. What does the name of this hydrocarbon tell you about its molecular structure?