Someone please help me with these two problems. I will give the formula too from above the question is: 1. How much heat is lost when a 500g sample of copper is cooled from 450 degrees celsius to 20 degrees celsius

2. How much heat is gained when a 20g mercury thermometer is raised from 25 degrees celsius to 35 degrees celsius

Calcium chloride +gold(1) oxide—>

Right anwser gets marked brainliest newton's discovery concerning how fast an object will change speed is the: 1st law 2nd law 3rd law universal gravitation

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?