The standard enthalpy change AHn for the thermal decomposition of silver nitrate according to the following equation is 124.68 kJ:KNO3(s) KNO₂ (s) + 1/0₂ (8)kJThe standard enthalpy of formation of KNO3(s) is -494.55 molcorrect number of significant digits.kJmol0XCalculate the standard enthalpy of formation of KNO₂ (s). Be sure your answer has the

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The standard enthalpy change AH for the thermal decomposition of silver nitrate according to the following equation is 124.68 kJ: KNO3(s) → KNO₂ (s) + 0₂ (8) - The standard enthalpy of formation of KNO3(s) is -494.55 correct number of significant digits. kJ mol rxn 0 X kJ mol Calculate the standard enthalpy of formation of KNO₂ (s). Be sure your answer has the

The standard enthalpy change AH for the thermal decomposition of silver nitrate according to the following equation is 124.68 kJ: KNO3(s) → KNO₂ (s) + 0₂ (8) - The standard enthalpy of formation of KNO3(s) is -494.55 correct number of significant digits. kJ mol rxn 0 X kJ mol Calculate the standard enthalpy of formation of KNO₂ (s). Be sure your answer has the

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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When methanol, CH3OH,CH3OH, is burned in the presence of oxygen gas, O2,O2, a large amount of heat energy is released. For this reason, it is often used as a fuel in high performance racing cars. The combustion of methanol has the balanced, thermochemical equation CH3OH(g)+32O2(g)⟶CO2(g)+2H2O(l)ΔH=−764 kJCH3OH(g)+32O2(g)⟶CO2(g)+2H2O(l)ΔH=−764 kJ How much methanol, in grams, must be burned to produce 639 kJ639 kJ of heat?
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