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Consider the following reaction enthalpies in kJ: Ca(s) + 2C(graphite) CaC(s) 62.8 Ca(s) +02(g) –→ CaO(s) CaO(s) + H,0(0) Ca(OH),(aq) 635.5 653.1 C,H,(g) + 0,(s →2C0,(g) + H0(1) 1300 2. C(graphite) +O,(g) → CO2(g) 393.51 Use Hess' law to find the clhange in enthalpy at 25 C for the reaction below: CaC2(s) + 21IO(1) CafOH)2(aq}+ C,H2(g)

Consider the following reaction enthalpies in kJ: Ca(s) + 2C(graphite) CaC(s) 62.8 Ca(s) +02(g) –→ CaO(s) CaO(s) + H,0(0) Ca(OH),(aq) 635.5 653.1 C,H,(g) + 0,(s →2C0,(g) + H0(1) 1300 2. C(graphite) +O,(g) → CO2(g) 393.51 Use Hess' law to find the clhange in enthalpy at 25 C for the reaction below: CaC2(s) + 21IO(1) CafOH)2(aq}+ C,H2(g)

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Consider the following reaction enthalpies in kJ: 62.8 Ca(s) +2C(graphite) CaC2(s) Ca(s) + →CAO(s) 635.5 653.1 CaO(s) + H,O(1)→Ca(OH),(aq) 1300 C,H,(g) +0,(g) → 200,(g) + H,O(1) C(graphite) + 0.(s) CO2(g) 393.51 Use Hess law to find the chAnge in enthalpy at 25 C for the reaction below. CaCy(s) +2H0(1) - Ca(OH)2(nq) + Coll2(g)
Transcribed Image Text:Consider the following reaction enthalpies in kJ: 62.8 Ca(s) +2C(graphite) CaC2(s) Ca(s) + →CAO(s) 635.5 653.1 CaO(s) + H,O(1)→Ca(OH),(aq) 1300 C,H,(g) +0,(g) → 200,(g) + H,O(1) C(graphite) + 0.(s) CO2(g) 393.51 Use Hess law to find the chAnge in enthalpy at 25 C for the reaction below. CaCy(s) +2H0(1) - Ca(OH)2(nq) + Coll2(g)
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