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47/니 , Determine the change in enthalpy for the following reaction...
The destruction of the ozone layer by chlorofluorocarbons (CFCs) can be described by the following reactions:...
The destruction of the ozone layer by chlorofluorocarbons (CFCs) can be described by the following reactions: 2. ΔΗ"m-:-29.90 kJ AHonn 24.18 kJ CIO (g) + O3 (g)-) CI (g) + 2 O2 (g) 2 O3 (g) 3 02 (g) Use the above ΔΗ'm values to determine the value ΔΗ"m for the following reaction: Cl (g) + Os (g) > CIO (g) + O2 (g) AHoxn Strategy: Solution:
A bomb calorimetric experiment was run to determine the enthalpy of combustion of ethanol. The reaction...
A bomb calorimetric experiment was run to determine the enthalpy of combustion of ethanol. The reaction is C2H5OH(l) + 3 O2(g) → 2 CO2(g) + 3 H2O(l) The bomb had a heat capacity of 500 J/K, and the calorimeter contained 610 g of water. Burning 4.50 g of ethanol, C2H5OH(L) resulted in a rise in temperature from 16.5 °C to 20.9 °C. Calculate the enthalpy of combustion of ethanol, in kJ/mol. (The specific heat capacity of liquid water is 4.184...
Gaseous ozone undergoes decomposition according to the stochiometric equation: 203(g) →302 (g) Two alternative mechanisms have...
Gaseous ozone undergoes decomposition according to the stochiometric equation: 203(g) →302 (g) Two alternative mechanisms have been proposed to account for this reaction. Mechanism 2 03 302 bimolecular, rate constant k Mechanism II 03 02 + fast equilibrium, equilibrium constant K1 0+ 03 — 202 slow, rate constant k2 A. Derive rate laws for the formation of O2 for each mechanism. B. Thermodynamic measurements give standard enthalpies of formation for each of the following species at 298 K: species AH°...
Overall rate In the question below the correct answer is B, how does that show agreement...
Overall rate
In the question below the correct answer is B, how does that
show agreement with the overall reaction which does not have any
concentration of CL present?
Questions 42-44 refer to the following information. When free Cl(g) atoms encounter O(8) molecules in the upper atmosphere, the following reaction mechanism is proposed to occur. Cl(g) +03(g) → C10(g) +02(g) CIO(g) + 03(g) → Cl(g) + 2 O2(g) 203(g) → 302(g) slow step fast step overall reaction AH-285 kJ/mol 42....
help with the following combustion reaction. shown are the tables and answer. I am confused with...
help with the following combustion reaction. shown are the
tables and answer. I am confused with the steps to get there.
2. (a) For ethanol, CH3CH2OH, AfHº = -277.7 kJ/mol at 25 °C. Using other AfHº values from Appendix A (Table 4.1) of your text, determine the enthalpy (heat) of combustion of liquid ethanol. (b) Determine the temperature change expected when 2.07 g of ethanol are burned in a bomb calorimeter whose heat capacity (as previously measured) is 9007 J/K...
The destruction of the ozone layer by chlorofluorocarbons (CFCs) can be described by the following reactions: 2. ΔΗ"m-:-29.90 kJ AHonn 24.18 kJ CIO (g) + O3 (g)-) CI (g) + 2 O2 (g) 2 O3 (g) 3 02 (g) Use the above ΔΗ'm values to determine the value ΔΗ"m for the following reaction: Cl (g) + Os (g) > CIO (g) + O2 (g) AHoxn Strategy: Solution:
A bomb calorimetric experiment was run to determine the enthalpy of combustion of ethanol. The reaction is C2H5OH(l) + 3 O2(g) → 2 CO2(g) + 3 H2O(l) The bomb had a heat capacity of 500 J/K, and the calorimeter contained 610 g of water. Burning 4.50 g of ethanol, C2H5OH(L) resulted in a rise in temperature from 16.5 °C to 20.9 °C. Calculate the enthalpy of combustion of ethanol, in kJ/mol. (The specific heat capacity of liquid water is 4.184...
Gaseous ozone undergoes decomposition according to the stochiometric equation: 203(g) →302 (g) Two alternative mechanisms have been proposed to account for this reaction. Mechanism 2 03 302 bimolecular, rate constant k Mechanism II 03 02 + fast equilibrium, equilibrium constant K1 0+ 03 — 202 slow, rate constant k2 A. Derive rate laws for the formation of O2 for each mechanism. B. Thermodynamic measurements give standard enthalpies of formation for each of the following species at 298 K: species AH°...
Overall rate
In the question below the correct answer is B, how does that
show agreement with the overall reaction which does not have any
concentration of CL present?
Questions 42-44 refer to the following information. When free Cl(g) atoms encounter O(8) molecules in the upper atmosphere, the following reaction mechanism is proposed to occur. Cl(g) +03(g) → C10(g) +02(g) CIO(g) + 03(g) → Cl(g) + 2 O2(g) 203(g) → 302(g) slow step fast step overall reaction AH-285 kJ/mol 42....
help with the following combustion reaction. shown are the
tables and answer. I am confused with the steps to get there.
2. (a) For ethanol, CH3CH2OH, AfHº = -277.7 kJ/mol at 25 °C. Using other AfHº values from Appendix A (Table 4.1) of your text, determine the enthalpy (heat) of combustion of liquid ethanol. (b) Determine the temperature change expected when 2.07 g of ethanol are burned in a bomb calorimeter whose heat capacity (as previously measured) is 9007 J/K...
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