12th Grade Thermochemistry Quizzes, Questions & Answers
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Questions: 12 | Attempts: 332 | Last updated: Mar 12, 2024
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Sample QuestionWhich of the following substances have zero value for their standard enthalpy of formation?
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Questions: 10 | Attempts: 655 | Last updated: Mar 22, 2023
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Sample QuestionUnder the proper conditions, when nitric oxide is allowed to react with chlorine and hydrogen peroxide, hydrogen nitrate and hydrogen chloride are produced as follows: NO(g) + 1/2Cl2(g) + H2O2(g) --> HNO3(g) + HCl(g) Calculate the enthalpy change in kJ for this reaction given the information below: NOCl(g) --> NO(g) + 1/2 Cl2 DH° = 37.0 kJ NOCl(g) + H2O2(g) --> HNO3(g) + HCl(g) DH° = -143.0 kJ
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