How many joules are absorbed by 30.0 g of water when its temperature is raised by 20.0 °C?

In a sample of oxygen gas at room temperature, the average kinetic energy of all the balls stays constant. which postulate of kinetic molecular theory best explains how this is possible?

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

What does the mass of 0.7891 mol of ferric oxide (fe2o3)