Richaj

This page lists questions and answers that were posted by visitors named Richaj.

Questions

The following questions were asked by visitors named Richaj.

Diluting and dissolving of potassium nitrate is very endothermic.Suggest what would be observed to the temperature if 2.0g of the salt is added to 2cm3 of water.

At 27 degrees celcius, nitrogen has a volume of 650cm^3 under a pressure of 980mmHg. What would be its volume at the same temperature but at a pressure of 760mmhg ?

Answers

The following answers were posted by visitors named Richaj.

The temperature would still drop

4/12=10/x 4x/4=120/4 x=30

2(13t-15)+3(t-19)=0 26t-30+3t-57=0 29t=57+30 29t/29=87/29 t=3