Cuprous oxide (cu2o) is being reduced by hydrogen in a furnace at 1000 k. a. write the chemical reaction for the reduction of one mole of cu2o. b. how much heat is released or absorbed per mole reacted? give the quantity of heat and state whether heat is evolved (exothermic reaction) or absorbed (endothermic reaction). data: heats of formation at 1000 k in kj mol−1 : for cu2o = −175.31 kj mol−1 ; for h2o = −247.73 kj mol−1 .
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Chemistry, 21.06.2019 12:50, duracohack
5. how can you decrease the pressure of a gas in a container without changing the volume of the gas?
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Chemistry, 22.06.2019 06:30, yolo123321
The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams
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Chemistry, 22.06.2019 12:30, AnastasiaJauregui
Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together
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Cuprous oxide (cu2o) is being reduced by hydrogen in a furnace at 1000 k. a. write the chemical reac...
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