Today, I forgot my soda in the trunk of my car. The initial pressure is 3 atm and it was a cool morning, at 15o By the afternoon, however, the temperature rose to 25oC. What is the pressure in atm inside the can?

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

An atom with 7 protons, 6 neutrons, and 7 electrons has an atomic mass of amu. (enter a whole number.) numerical answers expected! answer for blank 1:

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.