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6.82. Acetic acid, CH, COOH, is contained in vinegar. Suppose acetic acid was formed from its...
4. Mr. Burnes bought a bottle of vinegar and wondered how concentrated the acetic acid (CH-COOH;...
4. Mr. Burnes bought a bottle of vinegar and wondered how concentrated the acetic acid (CH-COOH; mm = 60.05 g/mol) was inside. He titrated it with 0.00182 M NaOH that he found in a general chemistry laboratory. It took 9.90 mL of NaOH to reach the equivalence point. See titration curve on next page. A. What is the concentration of acetic acid if 23.7 mL of vinegar was used for the titration? B. Mr. Burnes bought the economy size bottle...
to 14. (20 points) Use the following information to Show your work. e the following information...
to 14. (20 points) Use the following information to Show your work. e the following information to determine the enthalpy for the reaction shown below. CH(g) + H2O(g) → CO(g) + 3H-(8) AH = ? 2C(s) + 2H2O(g) CH.(g) + CO:(8) All = 15.3 kJ C(s) + H2O(g) → CO(g) +H;(8) AH = 131.3 kJ CO(g) + H2O(g) + CO2(g) + H:(g) AH -41.2 kJ 15. (15 points) Ethanol is being promoted as renewable biofuel. Use the standard enthalpies of...
From the following heats of combustion, CH3OH(l) + 3/2O2(g) → CO2(g) + 2H2O(l) ΔHorxn = –726.4...
From the following heats of combustion, CH3OH(l) + 3/2O2(g) → CO2(g) + 2H2O(l) ΔHorxn = –726.4 kJ/mol C(graphite) + O2(g) → CO2(g) ΔHorxn = –393.5 kJ/mol H2(g) + ½O2(g) → H2O(l) ΔHorxn = –285.8 kJ/mol Calculate the enthalpy of formation of methanol (CH3OH) from its elements. C(graphite) + 2H2(g) + ½O2(g) → CH3OH(l) Methanol (CH3OH) is an organic solvent and is also used as a fuel in some automobile engines. From...
Part A The standard enthalpy of formation for ethanol (CH,COOH() is 484.3 kJ/mol What is the...
Part A The standard enthalpy of formation for ethanol (CH,COOH() is 484.3 kJ/mol What is the correct formation equation corresponding to this AHP? 2 C(s, graphite) + 2 H2O(1) CH,COOH(1) 2 C(s, graphite) + 2 H2(g) O2(0) CH,COOH(I) 2 C(s, graphite) + 2 H2O() CHCOOH(1) 2 C(s, graphite) + 2 H2(1) 10 (1) CHCOOH() Submit Resuest Answer Provide Feedback
PROBLEM-SOLVING CLASS ACTIVITY 11 Use Hess's Law to calculate the enthalpy of formation of CH2OH: C(graphite)...
PROBLEM-SOLVING CLASS ACTIVITY 11 Use Hess's Law to calculate the enthalpy of formation of CH2OH: C(graphite) + 2 H2(g) + 1026) → CH2OH(1) Given the following data: CH2OH() • 02(9) + CO2(g) + 2H2O(1) AH°: -726.4 kJ/mol C(graphite). O2(g) → CO2(9) AH' = -393.5 kJ/mol H2(g) + 40269) → H2O(1) AH = -285.8 kJ/mol
the work for the problem/reasoning is zero for 14) For calculating the enthalpy of combustion of...
the work for the problem/reasoning
is zero for 14) For calculating the enthalpy of combustion of methane, AH CH4 (g) + O2(g) → 2H2O(g) + CO2(g) A) O2(g) B) CH4 (g) C) CO2 (g) D) H2O(g) E) Both O2 (g) and CH4 (g) 15) For which one of the following reaction equations is AH,xnequal to AH® for the product species? A) N2(g) + O2(g) → 2NO (g) B) 2H2(g) + O2(g) → 2H20 (1) C) 2H(g) + O2(g) → 2H20...
please explain each step in clear writing. Chloroform (CHCI3) is formed from methane and chlorine in...
please explain each step in clear writing.
Chloroform (CHCI3) is formed from methane and chlorine in the following reaction: CH4 (g)3C12 (g)3HC1(g)+CHCI3 (g) Calculate A, Ho, the enthalpy change for this reaction, using the standard molar enthalpy change of formation of CHCI3 (g), AfH° = -103.1 kJ mol1, and the standard enthalpy changes for the following reactions: CH4 (g)202 (g)2H2O (e) CO2 (g) AH°=-890.4 kJ mol-1 2HC1(g) H2 (g)Cl2 (g) A,.H +184.6 kJ mol1 C(graphite)O2 (g)CO2 (g) A H°=-393.5 kJ...
6. Calculate AH Reaction for the Reaction: N2H4 + 2N2O5 + 2HNO3 + 2NO2 + 2...
6. Calculate AH Reaction for the Reaction: N2H4 + 2N2O5 + 2HNO3 + 2NO2 + 2 NH Using the following equations: H2 + 2N2 + 5022HNO3 + 2NO2 N2H4 + 2NH + H2 2N205 2N2 + 502 AH = -202 kJ AH = +567 kJ AH = +22.6 kJ 7. Calculate the AHReaction for the reaction 2H2(g) + CO(g) → CH3OH(1) Using the following equations: CH3OH() + O2(g) → C(s) + 2H2O() C(s) + 02 (9) — CO(g) H2(g) +...
Reaction 1: Vinegar (acetic acid) and sodium bicarbonate CH3COOH(aq) + NaHCO3(s) -- CH3COONa (aq) + H2O(l)...
Reaction 1: Vinegar (acetic acid) and sodium bicarbonate CH3COOH(aq) + NaHCO3(s) -- CH3COONa (aq) + H2O(l) + CO2(g) Reaction 2: Vinegar (acetic acid) and ammonia CH3C02H(aq) + NH3(aq)-> CH3CO2NH4(aq) Observe the following reaction: N2(g) + O2(g) XX2NO(g) (reaction 4) Reaction 5: Dissolution of ammonium chloride: NH,Cl(s)-- NH (aq) + Cl(aq) AH = 14.4 kJ/mol (reaction 5) The following endothermic reaction does not occur: CO2(g) + H20(L) X H2CO3(aq) (reaction 6) 2N205(g)-→ 4NO2(g) + O2(g) AH = +13.1 kcal (reaction 7)...
Please explain Data: C(graphite) + O2(g) => CO2(g) AH = -393.5 kJ H2(g) + 1/2O2(g) =>...
Please explain
Data: C(graphite) + O2(g) => CO2(g) AH = -393.5 kJ H2(g) + 1/2O2(g) => H2O(1) AH = -285.8 kJ CH3OH(1) + 3/202(9) A CO2(g) + 2H20(1) AH = -726.4 kJ Using the data above, calculate the enthalpy change for the reaction below. Reaction: C(graphite) + 2H2(g) + 1/2O2(g) => CH3OH(1) A. +238.7 kJ B.-238.7 kJ C. +548.3 kJ D.-548.3 kJ E. +904.5 kJ
4. Mr. Burnes bought a bottle of vinegar and wondered how concentrated the acetic acid (CH-COOH; mm = 60.05 g/mol) was inside. He titrated it with 0.00182 M NaOH that he found in a general chemistry laboratory. It took 9.90 mL of NaOH to reach the equivalence point. See titration curve on next page. A. What is the concentration of acetic acid if 23.7 mL of vinegar was used for the titration? B. Mr. Burnes bought the economy size bottle...
to 14. (20 points) Use the following information to Show your work. e the following information to determine the enthalpy for the reaction shown below. CH(g) + H2O(g) → CO(g) + 3H-(8) AH = ? 2C(s) + 2H2O(g) CH.(g) + CO:(8) All = 15.3 kJ C(s) + H2O(g) → CO(g) +H;(8) AH = 131.3 kJ CO(g) + H2O(g) + CO2(g) + H:(g) AH -41.2 kJ 15. (15 points) Ethanol is being promoted as renewable biofuel. Use the standard enthalpies of...
Part A The standard enthalpy of formation for ethanol (CH,COOH() is 484.3 kJ/mol What is the correct formation equation corresponding to this AHP? 2 C(s, graphite) + 2 H2O(1) CH,COOH(1) 2 C(s, graphite) + 2 H2(g) O2(0) CH,COOH(I) 2 C(s, graphite) + 2 H2O() CHCOOH(1) 2 C(s, graphite) + 2 H2(1) 10 (1) CHCOOH() Submit Resuest Answer Provide Feedback
PROBLEM-SOLVING CLASS ACTIVITY 11 Use Hess's Law to calculate the enthalpy of formation of CH2OH: C(graphite) + 2 H2(g) + 1026) → CH2OH(1) Given the following data: CH2OH() • 02(9) + CO2(g) + 2H2O(1) AH°: -726.4 kJ/mol C(graphite). O2(g) → CO2(9) AH' = -393.5 kJ/mol H2(g) + 40269) → H2O(1) AH = -285.8 kJ/mol
the work for the problem/reasoning
is zero for 14) For calculating the enthalpy of combustion of methane, AH CH4 (g) + O2(g) → 2H2O(g) + CO2(g) A) O2(g) B) CH4 (g) C) CO2 (g) D) H2O(g) E) Both O2 (g) and CH4 (g) 15) For which one of the following reaction equations is AH,xnequal to AH® for the product species? A) N2(g) + O2(g) → 2NO (g) B) 2H2(g) + O2(g) → 2H20 (1) C) 2H(g) + O2(g) → 2H20...
please explain each step in clear writing.
Chloroform (CHCI3) is formed from methane and chlorine in the following reaction: CH4 (g)3C12 (g)3HC1(g)+CHCI3 (g) Calculate A, Ho, the enthalpy change for this reaction, using the standard molar enthalpy change of formation of CHCI3 (g), AfH° = -103.1 kJ mol1, and the standard enthalpy changes for the following reactions: CH4 (g)202 (g)2H2O (e) CO2 (g) AH°=-890.4 kJ mol-1 2HC1(g) H2 (g)Cl2 (g) A,.H +184.6 kJ mol1 C(graphite)O2 (g)CO2 (g) A H°=-393.5 kJ...
6. Calculate AH Reaction for the Reaction: N2H4 + 2N2O5 + 2HNO3 + 2NO2 + 2 NH Using the following equations: H2 + 2N2 + 5022HNO3 + 2NO2 N2H4 + 2NH + H2 2N205 2N2 + 502 AH = -202 kJ AH = +567 kJ AH = +22.6 kJ 7. Calculate the AHReaction for the reaction 2H2(g) + CO(g) → CH3OH(1) Using the following equations: CH3OH() + O2(g) → C(s) + 2H2O() C(s) + 02 (9) — CO(g) H2(g) +...
Reaction 1: Vinegar (acetic acid) and sodium bicarbonate CH3COOH(aq) + NaHCO3(s) -- CH3COONa (aq) + H2O(l) + CO2(g) Reaction 2: Vinegar (acetic acid) and ammonia CH3C02H(aq) + NH3(aq)-> CH3CO2NH4(aq) Observe the following reaction: N2(g) + O2(g) XX2NO(g) (reaction 4) Reaction 5: Dissolution of ammonium chloride: NH,Cl(s)-- NH (aq) + Cl(aq) AH = 14.4 kJ/mol (reaction 5) The following endothermic reaction does not occur: CO2(g) + H20(L) X H2CO3(aq) (reaction 6) 2N205(g)-→ 4NO2(g) + O2(g) AH = +13.1 kcal (reaction 7)...
Please explain
Data: C(graphite) + O2(g) => CO2(g) AH = -393.5 kJ H2(g) + 1/2O2(g) => H2O(1) AH = -285.8 kJ CH3OH(1) + 3/202(9) A CO2(g) + 2H20(1) AH = -726.4 kJ Using the data above, calculate the enthalpy change for the reaction below. Reaction: C(graphite) + 2H2(g) + 1/2O2(g) => CH3OH(1) A. +238.7 kJ B.-238.7 kJ C. +548.3 kJ D.-548.3 kJ E. +904.5 kJ
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