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1. Reactions follow the law of conservation mass.- T?

3. In a chemical equation, the material to the left of the arrow equals the material on the right.- T

8. In a single replacement reaction, sodium (Na) doesn't replace hydrogen.- F?

16. Increased pressure acting on a gas at a constant temperature will cause the volume to decrease.- T?

17. When a gas is under constant pressure and its temperature increases, its volume will increase.- F?

Thanks
-MC

2 answers

17.
V/T = k or
V = kT
So if T goes up, V goes >>>>>/.
The rest are right?

Thanks
-MC