ANSWER ASAP PLEASE When it is very hot in his room, Stuart tries to make it cooler by opening both the top and the bottom of his window. Cooler air comes in the bottom and warm air goes out through the top. Heat energy was transferred by which of the following processes

Question 21 options:

radiation

convection

conduction

evaporation

the answer is convection, convection is heat rising and the cool air sinking

when [oh-] is 10-5  m, and [h3o+] is 10-9  m, the poh is 5 and ph is 9. again in both cases the sum of ph and poh is 14. however, the hydrogen ion concentration is not always going to be equal to exactly 1 x 10 raised to a negative number. for example, we skipped over the value of 2.0 x 10-7.