Calculate the pH for each of the following solutions. (a) 0.28 M NH3 WebAssign will check your answer for the correct number of significant figures. 11.35 Correct: Your answer is correct. (b) 0.200 M C5H5N (pyridine)

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.

air

in a tire you fill a tire with air

then a couple days later you check the air pressure in the tire

hope this mark me brainliest