If the specific heat of iron = 0.46 J/g °C, how much heat is needed to warm 87 g of iron from 40°C to 100°C? *

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created or , but it can be

Which accounts for an increase in the temperature of a gas that is kept a constant volume

Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.