If 392 cm3 of helium at 32°C and 925 torr are cooled to -15°C and the pressure is reduced to 775 torr, calculate the new volume
the gas will occupy.

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

Which best explains why an iceberg floats?

How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next