Question

Calculate the heat energy needed to change the temperature of 2 kg of copper from 10°C to 110°C.

I forgot the formula

Answer 1

heat in = mass * specific heat of copper * temperature rise

assuming it does not change state and copper does not melt at that temp.

https://www.engineeringtoolbox.com/specific-heat-metals-d_152.html

Answer 2

Heat in= (2kg)(.34)(100)
68