Which properties are more useful in determining the identity of an unknown substance: intensive or extensive? Explain.
Please help asap

What happens when the temperature of a solution increases?

In pqr m< p=60 m< q= 30 and m

What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume