In a closed reaction vessel, pressure "p(atm)" is found to vary with time "t(s)" according to the following linearized equation: p = a (1/t3) + b what are the units of a? a. a = atm. s3 b. a = 1/s3 c. a = atm d. a = atm/s3

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

One nanometer is equal to how many meters?

What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.