A 368 mL air sample collected at 22°C has a pressure of 621 torr. What pressure will the
air exert if it is allowed to expand to 492 mL
at 67°C?
Answer in units of torr.

Arock can be broken down into different kinds of substances by physical processes. no chemical reactions are needed to separate different parts of a rock into pure substances. this is because a rock is a(n)

1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6

Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory