If CH4(g) is at 10 degrees C and 1 atm and has a volume of 10 L, what temperature will it be at when the pressure increases to 3 atm and volume
decreases to 5 L?
A. 15 degrees C
B. 20 degrees C
C. 7 degrees C
D. 110 degrees C

What is the molarity of a solution that is prepared by adding 57.1 g of toluene (c 7 h 8 ) (density = 0.867 g/ml) to a 250 ml volumetric flask, and then filling to the mark with benzene (c 6 h 6 ) (density = 0.876 g/ml)?

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

Which statement can best be concluded from the ideal gas law?