PLS ANSWER ITS FOR AN EXAM I DONT HAVE MUCH TIME THANK UUU Changing a physical property of a sample of matter
A. will not alter its chemical composition if the change is small.
B. will alter its chemical composition if the change is large.
C. always alters its chemical composition.
D. never alters its chemical composition.

d. never alters

Explanation:

physical is how it looks, not its chemical makeup... good luck bro :)

consider the reaction below.

 no rx

at 500 k, the reaction is at equilibrium with the following concentrations.

[pci5]= 0.0095 m

[pci3] = 0.020

[ci2] = 0.020 m

what is the equilibrium constant for the given reaction?

0.042

0.42

2.4

24

un recipient conține 6,4 moli de gaz. gazul hidrogen reprezintă 25% din totalul kilometrilor din container. în cazul în care presiunea totală este de 1.24 atm ceea ce este