A pinto bean supplier from East Texas has a sample of beans with a mass of 4.5 X 10^4 grams, how many beans does this sample contain? Show the calculation. (I'm not sure how to calculate this)

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?

One way that radioactive waste is treated is by burying it in repositories. the repositories are found only in states with very low populations. true or false? a. trueb. false(also i meant to put high school but it put down middle school instead)

Which substance can be broken down by chemical means