A tire is at a pressure of 134kPa at a temp of 23.0. If the tire heats up to a temp of 40.0 What is the new pressure?

answer: enthalpy

explanation:

for a exothermic reaction, the energy is released i.e. the energy of the products is lower than the energy of the reactants.

= enthaply

= energy of products

= energy of reactants

as , thus comes out to be negative. negative value of enthalpy shows that the reaction is exothermic.

there is none because earth is stationary and flat.

"record the time to complete a chemical reaction" would most likely be part of a lab procedure.

what is the average time it took the car to travel 0.25 meters?

⇒ 2.23 seconds

what is the average time it took the car to travel 0.50 meters?

⇒ 3.13 seconds