What is the mass of a pure platinum disk with a volume of 113 cm3? the density of platinum is 21.4 g/cm3

Write a full page that sumerizes thermodynamics it’s from the website visionlearnig

The energy equivalent of the rest mass of an electron is

Four 5-gram blocks of metal are sitting out in the sun and absorb the same amount of heat energy. use the following specific heat capacity data to determine which block will increase its temperature the most.