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10. Ozone layer. The destruction of the ozone layer by chlorofluorocarbons (CFCs) can be described by...
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:
The destruction of the ozone layer by chlorofluorocarbons (CFC’s) can be described by the following reactions:...
The destruction of the ozone layer by chlorofluorocarbons (CFC’s) can be described by the following reactions: ClO(g) + O3(g) ? Cl(g) + 2 O2(g) ?H°rxn = –29.90 kJ 2 O3(g) ? 3 O2(g) ?H°rxn = 24.18 kJ Determine the value of heat of reaction for the following: Cl(g) + O3(g) ? ClO(g) + O2(g) ?H°=?
The 1995 Nobel Prize in Chemistry was shared by Paul Crutzen, F. Sherwood Rowland, and Mario Molina for their work conce...
The 1995 Nobel Prize in Chemistry was shared by Paul Crutzen, F. Sherwood Rowland, and Mario Molina for their work concerning the formation and decomposition of ozone in the stratosphere. Rowland and Molina hypothesized that chlorofluorocarbons (CFCs) in the stratosphere break down upon exposure to UV radiation, producing chlorine atoms. Chlorine was previously identified as a catalyst in the breakdown of ozone into oxygen gas. Using the enthalpy of reaction for two reactions with ozone, determine the enthalpy of reaction...
How do I do 9 47/니 , Determine the change in enthalpy for the following reaction...
How do I do 9
47/니 , Determine the change in enthalpy for the following reaction from the enthalpies of formation for the reactants and products. (C2H2Cl2, +4.27 kJ/mol; C2H2Cl4,-155.6 kJ/mol) 9. 3 points 10. The destruction of the ozone layer by chlorofluorocarbons can be described by the following reactions, all occurring in the gas phase. 3 points A 29.90 kJ CIO + 03-> Cl + 202 203- 302 Cl + O3-CIO+ O2 ΔΙΓη,-54.08 kJ What is AfPoo.for he decomposition...
10 POINTS each question. SHOW DETAILED WORK, CALCUATIONS, FORMULAS, AND UNITS. EEDS T。OF-AND-RI rreN 1. Chlorofluorocarbons...
10 POINTS each question. SHOW DETAILED WORK, CALCUATIONS, FORMULAS, AND UNITS. EEDS T。OF-AND-RI rreN 1. Chlorofluorocarbons with the general formula CF Cln were used for decades in refrigerators and air conditioners until they were found to degrade Earth's ozone layer. For which value of n is the rate of effusion the slowest? Which compound will effuse at the fastest rate? Convert the following pressures into millimeters of mercury: (a) 0.541 atm; (b) 2.8 kPa 2. 3. The volume of a...
2. The following mechanism has been suggested to explain the contribution of chlorofluorocarbons to the destruction...
2. The following mechanism has been suggested to explain the contribution of chlorofluorocarbons to the destruction of the ozone layer: Step 1 Step 2 O3 + CI CIO + O + CIO + O2 CI + O2 a) What is the overall equation for the reaction? (You can use an "=" sign for the arrow for your Moodle Quiz answer for this question. (1) b) Identify any intermediates. [1] c) Identify any catalysts. (1) d) If the first step is...
The 1995 Nobel Prize in Chemistry was shared by Paul Cutzen, F. Sherwood Rowland, and Mario...
The 1995 Nobel Prize in Chemistry was shared by Paul Cutzen, F. Sherwood Rowland, and Mario Molina for their work concerning the formation and decompostion of ozone in the stratosphere. Rowland and Molina hypothesized that chlorofluorocarbons (CFCs) in the stratosphere break down upon exposure to UV radiation, producing chloric atoms. Chlorine was previously identified as a catalyst in the breakdown of ozone into oxygen gas. Using the enthalpy of reaction for two reactions with ozone, detemine the enthalpy of reaction...
5. Chlorine destroys the Earth's ozone layer by the following precess. CI + O3 → CIO...
5. Chlorine destroys the Earth's ozone layer by the following precess. CI + O3 → CIO +02 ClO + O → Cl +O2 The O atoms in the second step come from the decomposition of ozone by sunlight: A. What is the net reaction for these three steps? B. What is the role of the chlorine atoms? C. Are there any intermediates? If yes, identify
The 1995 Nobel Prize in Chemistry was shared by Paul Crutzen, F. Sherwood Rowland, and Mario...
The 1995 Nobel Prize in Chemistry was shared by Paul Crutzen, F. Sherwood Rowland, and Mario Molina for their work concerning the formation and decomposition of ozone in the stratosphere. Rowland and Molina hypothesized that chlorofluorocarbons (CFCS) in the stratosphere break down upon exposure to UV radiation, producing chlorine atoms Chlorine was previously identified as a catalyst in the breakdown of ozone into oxygen gas. Using the enthalpy of reaction for two reactions with ozone, determine the enthalpy of reaction...
(background info) Please explain how answer is achieved, it is -6.3 kj. (b) Assuming unlimited O2(e),...
(background info)
Please explain how answer is achieved, it is -6.3 kj.
(b) Assuming unlimited O2(e), what is the AH for this reaction when 6.0 grams of ClO react with O2? (4pts) 1. (a) Use the given thermochemical equations to calculate the standard enthalpy of reaction for the following equation: (Clear and complete work must be shown to receive full credit; 6 pts) Cle) + O3(e) → ClO(g) + O2(8). ClO(g) + O3(3) - Cl(g) + 2 O2(8) 2 03(8)...
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:
How do I do 9
47/니 , Determine the change in enthalpy for the following reaction from the enthalpies of formation for the reactants and products. (C2H2Cl2, +4.27 kJ/mol; C2H2Cl4,-155.6 kJ/mol) 9. 3 points 10. The destruction of the ozone layer by chlorofluorocarbons can be described by the following reactions, all occurring in the gas phase. 3 points A 29.90 kJ CIO + 03-> Cl + 202 203- 302 Cl + O3-CIO+ O2 ΔΙΓη,-54.08 kJ What is AfPoo.for he decomposition...
10 POINTS each question. SHOW DETAILED WORK, CALCUATIONS, FORMULAS, AND UNITS. EEDS T。OF-AND-RI rreN 1. Chlorofluorocarbons with the general formula CF Cln were used for decades in refrigerators and air conditioners until they were found to degrade Earth's ozone layer. For which value of n is the rate of effusion the slowest? Which compound will effuse at the fastest rate? Convert the following pressures into millimeters of mercury: (a) 0.541 atm; (b) 2.8 kPa 2. 3. The volume of a...
2. The following mechanism has been suggested to explain the contribution of chlorofluorocarbons to the destruction of the ozone layer: Step 1 Step 2 O3 + CI CIO + O + CIO + O2 CI + O2 a) What is the overall equation for the reaction? (You can use an "=" sign for the arrow for your Moodle Quiz answer for this question. (1) b) Identify any intermediates. [1] c) Identify any catalysts. (1) d) If the first step is...
5. Chlorine destroys the Earth's ozone layer by the following precess. CI + O3 → CIO +02 ClO + O → Cl +O2 The O atoms in the second step come from the decomposition of ozone by sunlight: A. What is the net reaction for these three steps? B. What is the role of the chlorine atoms? C. Are there any intermediates? If yes, identify
The 1995 Nobel Prize in Chemistry was shared by Paul Crutzen, F. Sherwood Rowland, and Mario Molina for their work concerning the formation and decomposition of ozone in the stratosphere. Rowland and Molina hypothesized that chlorofluorocarbons (CFCS) in the stratosphere break down upon exposure to UV radiation, producing chlorine atoms Chlorine was previously identified as a catalyst in the breakdown of ozone into oxygen gas. Using the enthalpy of reaction for two reactions with ozone, determine the enthalpy of reaction...
(background info)
Please explain how answer is achieved, it is -6.3 kj.
(b) Assuming unlimited O2(e), what is the AH for this reaction when 6.0 grams of ClO react with O2? (4pts) 1. (a) Use the given thermochemical equations to calculate the standard enthalpy of reaction for the following equation: (Clear and complete work must be shown to receive full credit; 6 pts) Cle) + O3(e) → ClO(g) + O2(8). ClO(g) + O3(3) - Cl(g) + 2 O2(8) 2 03(8)...
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