Chemistry, 11.04.2020 22:31, idonthaveausername
It takes 1.25 kJ of energy to heat a certain sample of pure iron from 12˚C to 15.2˚C. Calculate the mass of the sample.
Answers: 2
Chemistry, 22.06.2019 08:30, ebigham5117
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?
Answers: 2
Chemistry, 22.06.2019 12:30, nekathadon
The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms
Answers: 1
Chemistry, 22.06.2019 21:50, donttrip10
What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state. a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car
Answers: 2
It takes 1.25 kJ of energy to heat a certain sample of pure iron from 12˚C to 15.2˚C. Calculate the...