GIVING EASY BRAINLIEST PLEASE HELP!! -if you answer correctly ill give you brainliest which will give you 26pts-

How much heat is required to convert 0.3 kg of ice at 0°c to water at the same temperature

If a spring has a k value of 100 newtons per meter and it is stretched 0.50 meters, what is the restoring force of the spring?

Agas expands from an initial volume of 0.040 m^3 and an initial pressure of 210 kpa to a final volume of 0.065 m^3 while its temperature is kept constant. how much work is done by the system?