1. a calorimeter contains 143 g of water at 22.5°c. a 12 g sample of nacl is added to the water in the calorimeter. after the solid has dissolved, the temperature of the water is 21.6°c. calculate the enthalpy of solution for dissolving sodium chloride. assume that no heat is lost to the calorimeter or the surroundings and that the specific heat of the solution is the same as that of pure water.
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Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?
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How many moles of sulfuric acid (h2so4) are needed to react completely with 6.8 moles of lithium hydroxide (lioh)? 2lioh + h2so4 → li2so4 + 2h2o a. 3.4 mol h2so4b. 6.8 mol h2so4 c. 10.2 mol h2so4 d. 13.6 mol h2so4
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1. a calorimeter contains 143 g of water at 22.5°c. a 12 g sample of nacl is added to the water in t...
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