Hypothetical elements A2 and B2 react according to the following equation, forming the compound АВ. A2 (aq) + B2 (aq)→ 2AB(aq), AH°= +271 kJ/mol %3D If solutions A2 (ag) and B2 (aq), starting at the same temperature, are mixed in a coffee-cup calorimeter, the reaction that occurs is: exothermic, and the temperature of the resulting solution rises. exothermic or endothermic, depending on the original and final temperatures. exothermic, and the temperature of the resulting solution falls. endothermic, and the temperature of the resulting solution falls. O endothermic, and the temperature of the resulting solution rises. O O O

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Q: with 2 mol O2 (g) to produce 1 mol CO2 (g), 2 mol H2O(l), ​and 890 kJ of heat. Write a…

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Q: When methanol, CH,OH, is burned in the presence of oxygen gas, O,, a large amount of heat energy is…

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Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

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Q: When methanol, CH,OH, is burned in the presence of oxygen gas, O,, a large amount of heat energy is…

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Q: When methanol, CH3OH, is burned in the presence of oxygen gas, O2, a large amount of heat energy is…

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Q: In the following reaction, how many moles of CH3OH are required to produce -3841 kJ of heat? 2 CH;OH…

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