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Calculate the standard enthalpy of formation of SiH3OH(I), using the following information: AH = |-493.4 %3D Si(s) + O2(g)→ SiO2(g) kJ/mol AH = H2(g) + 1/202(g)→ H2O(g) -305.8 kJ/mol SIH3OH(I) + 3/202(g)→SIO2(g) -776.5 + 2H20(g) AH = kJ/mol Answer: kJ/mol Give your answer to three significant figures.

Calculate the standard enthalpy of formation of SiH3OH(I), using the following information: AH = |-493.4 %3D Si(s) + O2(g)→ SiO2(g) kJ/mol AH = H2(g) + 1/202(g)→ H2O(g) -305.8 kJ/mol SIH3OH(I) + 3/202(g)→SIO2(g) -776.5 + 2H20(g) AH = kJ/mol Answer: kJ/mol Give your answer to three significant figures.

Chemistry: Matter and Change
Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter15: Energy And Chemical Change
Section: Chapter Questions
Problem 92A
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Calculate the standard enthalpy of formation of SIH3OH(I), using the following information: Si(s) + O2(g) → SiO2(g) AH = -493.4 kJ/mol ΔΗ- H2(g) + 1/202(g)→ H2O(g) -305.8 kJ/mol SIH3OH(I) + 3/202(g) → SiO2(g) -776.5 + 2H20(g) AH = %3! kJ/mol Answer: kJ/mol Give your answer to three significant figures.
Transcribed Image Text:Calculate the standard enthalpy of formation of SIH3OH(I), using the following information: Si(s) + O2(g) → SiO2(g) AH = -493.4 kJ/mol ΔΗ- H2(g) + 1/202(g)→ H2O(g) -305.8 kJ/mol SIH3OH(I) + 3/202(g) → SiO2(g) -776.5 + 2H20(g) AH = %3! kJ/mol Answer: kJ/mol Give your answer to three significant figures.
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