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Of Xesto on ng 3. What is the standard enthalpy change for the following reaction? N,...
PUU MUSL SHOW UW LIL 1. What is the quantity of heat evolved at constant pressure...
PUU MUSL SHOW UW LIL 1. What is the quantity of heat evolved at constant pressure when 40.5 g H,001) is formed from the combustion of H2() and 0,($)? H2(g) + O2(g) → H20(1): AH° = -285.8 kJ 2. We add 4.158 kJ of heat to a calorimeter that contains 55.0 g of water. The temperature of the water and the calorimeter, originally at 22.34°C, increases to 38.74°C. Calculate the heat capacity of the calorimeter in /°C. The specific heat...
2. We add 4.158 kJ of heat to a calorimeter that contains 55.0 g of water....
2. We add 4.158 kJ of heat to a calorimeter that contains 55.0 g of water. The temperature of the water and the calorimeter, originally at 22.34°C, increases to 38.74°C. Calculate the heat capacity of the calorimeter in /°C. The specific heat of water is 4.184 J/g °C. 3. What is the standard enthalpy change for the following reaction? N2H (1) + 2NO2(g) → 2N2O(g) + 2H2O(1) AH (kJ/mol) N2H4(1) +50.6 NO2(g) +33.1 N2O(g) +82.1 H20(1) -285.8
6. Given the following thermochemical reactions 2NO N,+O 2NO+O,2NO AH=-180 kJ AH=-112 kJ Calculate the enthalpy...
6. Given the following thermochemical reactions 2NO N,+O 2NO+O,2NO AH=-180 kJ AH=-112 kJ Calculate the enthalpy change of the reaction of nitrogen with oxygen to produce nitrogen dioxide. N,+20,2NO, AH r? Lo Given the following standard enthalpy of formations: AHor [C2H$OH(I) =-277.7 kJ/mol]; AHOr [CHCO2H) =-484.5 kJ/mol]; AHr [H2O) = -285.8 kJ/mol]; AHn[O2(g) = 0 kJ/mol]. Calculate the AHn for the reaction. C,H.OH()+O,(g) ->CH,CO,H() + H2O(1)
(), Calculate the standard enthalpy change for the reaction Sio, (s) + 4HF (g) → SiF,...
(), Calculate the standard enthalpy change for the reaction Sio, (s) + 4HF (g) → SiF, (g) + 2H, given the information in the table below. Compound .H (kJ/mol) HF (g) -273.0 HO (1) -285.8 SiF, (g) -1614.9 Sio, (s) -910.9 Click the answer you think is right. -4189.4 kJ -2005.4 kJ +183.6 kJ -183.6 kJ
help asap 3. Calculate the standard enthalpy change, Hº, for the following reaction using standard enthalpies of for...
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3. Calculate the standard enthalpy change, Hº, for the following reaction using standard enthalpies of formation. (1 point) 2C2H2(g) + 502(g) → 4CO2(g) + 2H20(1) Standard Enthalpies of Formation AH for C2H2(g) = +226.7 kJ/mol AHfor CO2(g) = -393.5 kJ/mol AH for H2O(l) = -285.8 kJ/mol
3. You are given the following standard enthalpies of formation at 25°C. HF (aq) -320.1 kJ/mol...
3. You are given the following standard enthalpies of formation at 25°C. HF (aq) -320.1 kJ/mol OH(aq) -230.0 kJ/mol F (aq) -332.6 kJ/mol H:0 (1) -285.8 kJ/mol a. Calculate the standard enthalpy of neutralization of HF (aq) HF (aq) + OH(aq) F (aq) + H20 (1) b. Using the value of -56.2 kJ/mol as the standard enthalpy change for the reaction H' (aq) + OH(aq) - H20 (1) calculate the standard enthalpy change for the reaction HF (aq) - H(aq)...
A scientist measures the standard enthalpy change for the following reaction to be -2847.0 kJ: 2C2H6(g)...
A scientist measures the standard enthalpy change for the following reaction to be -2847.0 kJ: 2C2H6(g) + 7 02(g) —4CO2(g) + 6H2O(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of CzH6(g) is kJ/mol. A scientist measures the standard enthalpy change for the following reaction to be -15.0 kJ : Ca(OH)2(aq) + 2 HCl(aq) +CaCl(s) + 2 H20(1) Based on this value and the standard enthalpies of formation for...
I have the answer to this but I do not know how i got there. An...
I have the answer to this but I do not know how i got there. An
explanation would be much appreciated (:
N20(g) + NO2(g)-→ 3 NO(g) Determine the standard enthalpy change for this reaction using the provided standard enthalpies of reaction 2N0(g) + O2(g)-2 NO2(g) N2(g)+O2(g)-→2NO(g) 2N20(g)-→ 2N2(g) + O2(g) AH--1 1 3.1 kJ ΔH= +182.6 kJ AH =-163.2 kJ Notes Comments:
1. A scientist measures the standard enthalpy change for the following reaction to be -2913.0 kJ:...
1. A scientist measures the standard enthalpy change for the following reaction to be -2913.0 kJ: 2C2H6(g) + 7 O2(g)->4CO2(g) + 6 H2O(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of H2O(g) is kJ/mol. 2. A scientist measures the standard enthalpy change for the following reaction to be -138.6 kJ : H2(g) + C2H4(g)->C2H6(g) Based on this value and the standard enthalpies of formation for the other substances, the...
3. Find the standard enthalpy of formation of hyene enhefollowingd . given the following data: (E...
3. Find the standard enthalpy of formation of hyene enhefollowingd . given the following data: (Example 6.11 page CaH4(g)+ 302(8) 2cO-)+2H,00) All'm -14lII kI ( 241) Given thǐtardco2(g)) =-393.5 kJ/rnol ΔΗ"dH2O(1)--285.8 kJ/mol 4. Given 2Al(s) + 3/202(g) → A10;(s) AH't =-1670 kJ (Sec 6.8 Rule No I & 2) what is ΔΗ for the reaction?
3. Find the standard enthalpy of formation of hyene enhefollowingd . given the following data: (Example 6.11 page CaH4(g)+ 302(8) 2cO-)+2H,00) All'm -14lII kI (...
PUU MUSL SHOW UW LIL 1. What is the quantity of heat evolved at constant pressure when 40.5 g H,001) is formed from the combustion of H2() and 0,($)? H2(g) + O2(g) → H20(1): AH° = -285.8 kJ 2. We add 4.158 kJ of heat to a calorimeter that contains 55.0 g of water. The temperature of the water and the calorimeter, originally at 22.34°C, increases to 38.74°C. Calculate the heat capacity of the calorimeter in /°C. The specific heat...
2. We add 4.158 kJ of heat to a calorimeter that contains 55.0 g of water. The temperature of the water and the calorimeter, originally at 22.34°C, increases to 38.74°C. Calculate the heat capacity of the calorimeter in /°C. The specific heat of water is 4.184 J/g °C. 3. What is the standard enthalpy change for the following reaction? N2H (1) + 2NO2(g) → 2N2O(g) + 2H2O(1) AH (kJ/mol) N2H4(1) +50.6 NO2(g) +33.1 N2O(g) +82.1 H20(1) -285.8
6. Given the following thermochemical reactions 2NO N,+O 2NO+O,2NO AH=-180 kJ AH=-112 kJ Calculate the enthalpy change of the reaction of nitrogen with oxygen to produce nitrogen dioxide. N,+20,2NO, AH r? Lo Given the following standard enthalpy of formations: AHor [C2H$OH(I) =-277.7 kJ/mol]; AHOr [CHCO2H) =-484.5 kJ/mol]; AHr [H2O) = -285.8 kJ/mol]; AHn[O2(g) = 0 kJ/mol]. Calculate the AHn for the reaction. C,H.OH()+O,(g) ->CH,CO,H() + H2O(1)
(), Calculate the standard enthalpy change for the reaction Sio, (s) + 4HF (g) → SiF, (g) + 2H, given the information in the table below. Compound .H (kJ/mol) HF (g) -273.0 HO (1) -285.8 SiF, (g) -1614.9 Sio, (s) -910.9 Click the answer you think is right. -4189.4 kJ -2005.4 kJ +183.6 kJ -183.6 kJ
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3. Calculate the standard enthalpy change, Hº, for the following reaction using standard enthalpies of formation. (1 point) 2C2H2(g) + 502(g) → 4CO2(g) + 2H20(1) Standard Enthalpies of Formation AH for C2H2(g) = +226.7 kJ/mol AHfor CO2(g) = -393.5 kJ/mol AH for H2O(l) = -285.8 kJ/mol
3. You are given the following standard enthalpies of formation at 25°C. HF (aq) -320.1 kJ/mol OH(aq) -230.0 kJ/mol F (aq) -332.6 kJ/mol H:0 (1) -285.8 kJ/mol a. Calculate the standard enthalpy of neutralization of HF (aq) HF (aq) + OH(aq) F (aq) + H20 (1) b. Using the value of -56.2 kJ/mol as the standard enthalpy change for the reaction H' (aq) + OH(aq) - H20 (1) calculate the standard enthalpy change for the reaction HF (aq) - H(aq)...
A scientist measures the standard enthalpy change for the following reaction to be -2847.0 kJ: 2C2H6(g) + 7 02(g) —4CO2(g) + 6H2O(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of CzH6(g) is kJ/mol. A scientist measures the standard enthalpy change for the following reaction to be -15.0 kJ : Ca(OH)2(aq) + 2 HCl(aq) +CaCl(s) + 2 H20(1) Based on this value and the standard enthalpies of formation for...
I have the answer to this but I do not know how i got there. An
explanation would be much appreciated (:
N20(g) + NO2(g)-→ 3 NO(g) Determine the standard enthalpy change for this reaction using the provided standard enthalpies of reaction 2N0(g) + O2(g)-2 NO2(g) N2(g)+O2(g)-→2NO(g) 2N20(g)-→ 2N2(g) + O2(g) AH--1 1 3.1 kJ ΔH= +182.6 kJ AH =-163.2 kJ Notes Comments:
3. Find the standard enthalpy of formation of hyene enhefollowingd . given the following data: (Example 6.11 page CaH4(g)+ 302(8) 2cO-)+2H,00) All'm -14lII kI ( 241) Given thǐtardco2(g)) =-393.5 kJ/rnol ΔΗ"dH2O(1)--285.8 kJ/mol 4. Given 2Al(s) + 3/202(g) → A10;(s) AH't =-1670 kJ (Sec 6.8 Rule No I & 2) what is ΔΗ for the reaction?
3. Find the standard enthalpy of formation of hyene enhefollowingd . given the following data: (Example 6.11 page CaH4(g)+ 302(8) 2cO-)+2H,00) All'm -14lII kI (...
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