The temperature of a sample of water increases from 20 degrees celsius to 46.6 degrees celsius as it absorbs 5650 calories of heat. what is the mass of the sample

What is important to study for nios grade 12 chemistry? i have only one month left.

How many atoms are there in 5.70 mol of mg

Nitrogen dioxide decomposes according to the reaction 2 no2(g) ⇌ 2 no(g) + o2(g) where kp = 4.48 × 10−13 at a certain temperature. if 0.70 atm of no2 is added to a container and allowed to come to equilibrium, what are the equilibrium partial pressures of no(g) and o2(g)