If I have 0.5 moles of gas at a temperature of -15.5 0C, and a volume of 8 liters, what is the pressure of the gas in kPa?

In order to calculate the amount of heat transferred you must know the __ and specific heat of the material, as well as the change in temperature. a. volume b. density c. mass d. enthalpy

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?

A650 ml sodium bromine solution has a bromide ion concentration of 0.245 m. what is the mass (g) of sodium bromide in solution? a) 103.b)0.00155.c)16400.d) 16.4.e) 0.159