A sample of helium gas occupies 12.4 Liter at 23°C and 0.956 atm. What volume will it occupy at 40°C and 0.956 atm?*
11.7L
13.1 L
7.13 L
21.6 L

Agas occupies 475 cm^3 at 313k. find its volume at 367k. you must show all of your work to receive credit. be sure to identify which of the gas laws you will be using

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

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