What is an example of reactivity?
O
A. Sugar dissolving
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B. Brass tarnishing
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c. Rain falling
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D. Water freezing

What pressure will be exerted by 0.675 moles of a gas at 25*c if it is in a 0.750-l container?

Can someone me with questions 12 and 13 plz.

Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88