U Question 3 1 pts How much thermal energy (in kcal) is required to change a 87 g ice cube from a solid at -7 C to steam at 146 C? Specific heat of ice 0.49 kcal/(kgC) Latent heat of fusion 80 kcal/kg Specific heat of water 1 kcal/(kgC) Latent heat of vaporization 540 kcal/kg Specific heat of steam 0.48 kcal/(kgC) Enter a number with one point behind the decimal point. ' | Question 7 1 pts A 0.6 kg block of copper is heated at atmospheric pressure such that its temperature increases from 14 C to 79 C. How much heat (in J) is absorbed by the block of copper? The specific heat of copper is 0.092 (kcal/(kgC)) 1 kcal = 4186 J Enter an integer