[Q]: Alexander is conducting reactions in his college chemistry class. In his first reaction, reaction A, he uses a large amount of reactants. In his second reaction, reaction B, he uses a much smaller amount of reactants compared to reaction A. As the reactions are proceeding, he measures that reactants in reaction A have low average kinetic energy. At the same time, reactants in reaction B have high average kinetic energy. Reactants in which reaction have greater total thermal energy?
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[A]: reaction A

[Q]: As a part of his engineering job Keith is measuring the vapor pressure of two locomotives, engine A and engine B. Engine A has a high vapor pressure, but engine B has a low vapor pressure. He noticed that to increase the speed of the engines he needed to increase the vapor pressure. In which engine less liquid molecules would turn into gas phase, engine A or engine B?
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[A]: engine B

[Q]: Two students had to study fermentation processes for a school project. Ned studied lactic fermentation, while Kat studied alcoholic fermentation. Which student read less about fungi carrying out lactic acid fermentation?
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[A]: Kat

[Q]: Mary and Ann got some fruit as a gift from a friend. Mary decided to candy the fruit, while Ann decided to eat them fresh, Mary received plums, peaches, apples and oranges. Ann got pears, quince, cherries and blackberries. Which fruit retained their quality longer peaches or cherries?
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[A]:
peaches