Question

Hi am struggling with specific latent heat questions:

1. how much energy is required to melt 40 kg of lead
2. a 3.0kW kettle contains boiling water and is on top of balance, it is turned on for 2 minutes, and the reading changes from 1.487 kg to 1.343 kg. use this energy to calculate the energy required to boil 1kg of water

Answer 1

Step-by-step explanation:

Double integrals are a way to integrate over a two-dimensional area. Among other things, they lets us compute the volume under a surface.