A system that does no work but which receives heat from the surroundings has:. A. q<0, delta E>0
B. q>0, delta E<0
C. q=delta E
D. q= negative delta E
E. w= delta E

What volume of a 2.00 m stock solution of naoh is needed to prepare 150. ml of 0.40 m solution?

0.66y = 0.9x + 0.48 if y has a value of 108.45 what is the value of x?

Apump contains 0.5 l of air at 203 kpa.you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump