3.The table below displays the temperature of substance A and substance B placed near each other, but not touching, in the same room. Temperature was taken at three time intervals. Give a reasonable explanation for the temperature change of substance A but not substance B. Time of Day
Temperature of Substance A
Temperature of Substance B
2:00 pm
32℃
25℃
2:05 pm
29℃
25℃
2:10 pm
26℃
25℃

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.

Nan element’s square on the periodic table, the number with the greatest numerical value represents the

Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming natural gas. in the first step, nitrogen and hydrogen react to form ammonia: (g) (g) (g) in the second step, ammonia and oxygen react to form nitric acid and water: (g) (g) (g) (g) calculate the net change in enthalpy for the formation of one mole of nitric acid from nitrogen, hydrogen and oxygen from these reactions. round your answer to the nearest .