Please help me
i'll give brainlist !

a) 3

b) 2

c) 1

d) 2

e) 3

Hope this helps

chemical property, extensive property, intensive property, extensive property, chemical

Explanation:

it should be p1 v1 = p2 v2

i believe you are right for all except the 3rd ( look at sqdancefan his answer is much better)