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Question 17 3 pts Using standard molar enthalpies of formation given in the table below, calculate...
35. Calculate ΔrH° for the combustion of ammonia, 4 NH3(g) + 7 O2(g) → 4 NO2(g)...
35. Calculate ΔrH° for the combustion of ammonia, 4 NH3(g) + 7 O2(g) → 4 NO2(g) + 6 H2O( ) using standard molar enthalpies of formation. molecule ΔfH° (kJ/mol-rxn) NH3(g) –45.9 NO2(g) +33.1 H2O( ) –285.8 a. +30.24 kJ/mol-rxn b. –206.9 kJ/mol-rxn c. –298.6 kJ/mol-rxn d. –1398.8 kJ/mol-rxn e. –1663.6 kJ/mol-rxn
Please show work for the three problems... I have the answers but don't know how to...
Please show work for the three problems... I have the answers
but don't know how to do the problems. Please show each one step by
step
1.)
Answer: D
2.)
Answer: A
3.)
Answer: D
Determine the heat of reaction for the combustion of ammonia 4NH3(g)+702(g)-»4NO2(g) + 6H20() using molar enthalpies of formation AH° (kJ/mol) 45.9 molecule NH3(g) NO2(g) H2O() +33.1 -285.8 a. +30.24 kJ b. -206.9 kJ c. -298.6 kJ d. -1398.8 kJ e. -1663.6 k ,Determine the heat...
9. Calculate the enthalpy for the reaction shown below using the provided enthalpies of formation. 2...
9. Calculate the enthalpy for the reaction shown below using the provided enthalpies of formation. 2 NH3(g) + 3 N20() ► 4 Nz(s) + 3 H20m Compound N2016 NH3 (8) NOR) AHF (kJ/mol) 81.6 -46.2 90.4 Compound H200 H2018) AHF (kJ/mol) -285.8 -241.8 a. -877.4 kJ b. 321.2 kJ c. 1009 kJ d. -1009 kJ 11 Pinelund in
Standard Enthalpies of Formation, in kJ/mol N2(g) 0 NO2(g) +33.2 &nbs
Standard Enthalpies of Formation, in kJ/mol N2(g) 0 NO2(g) +33.2 NH3(g) -45.9 H2O(l) -285.8 NO(g) +90.3 N2O(g) -82.1 H2O(g) -241.8 Use the data above to calculate ΔH for the reaction: 6 NO2(g) + 8 NH3(g) => 7 N2(g) + 12 H2O(g) ΔH = ?
(6 pts.) Using Hess’s Law and the values for Standard Enthalpies of Formation from the table...
(6 pts.) Using Hess’s Law and the values for Standard Enthalpies of Formation from the table provided, calculate the enthalpy of reaction ΔH°rxn (in kJ) for each of the following reactions: Standard Enthalpies of Formation substance ΔHf° in kJ/mol Mg(s) 0 MgO(s) -601.6 HCl(aq) -167.2 MgCl2(aq) -801.2 H2(g) 0 H2O(l) -285.8 Reaction #1: Mg (s) + 2HCl (aq) è MgCl2 (aq) + H2 (g) Reaction #2: MgO (s) + 2HCl (aq) è MgCl2 (aq) + H2O (l) 2. (4 pts.)...
1).From the standard enthalpies of formation, calculate ΔH°rxn for the reaction C6H12(l) + 9O2(g) → 6CO2(g)...
1).From the standard enthalpies of formation, calculate ΔH°rxn for the reaction C6H12(l) + 9O2(g) → 6CO2(g) + 6H2O(l) For C6H12(l), ΔH°f = –151.9 kJ/mol (5 points) Substance ∆H°f , kJ/mol C6H12(l) –151.9 O2(g) 0 H2O(l) –285.8 CO2(g) –393.5 2).Determine the amount of heat (in kJ) given off when 1.26 × 104 g of ammonia are produced according to the equation N2(g) + 3H2(g) → 2NH3(g) ΔH°= –92.6 kJ/mol Assume that the reaction takes place under standard conditions at 25oC.
4. Use a standard enthalpies of formation values below to determine the change in enthalpy for...
4. Use a standard enthalpies of formation values below to determine the change in enthalpy for each of these reactions. Reaction: NaOH(s) + HCl(g) → NaCl(s) + H2O(g) Compound NaOH(s) HCl(g) NaCl(s) H2O(g) AHF (kJ/mol) -426.7 -92.3 -411.0 -241.8
Heat of Formation Calculations: 32) Use a standard enthalpies of formation (Ho) table to determine the...
Heat of Formation Calculations: 32) Use a standard enthalpies of formation (Ho) table to determine the change in enthalpy for each of these reactions Hrxn [n. Ho(products) - n. Ho(products)] CO (g): -110.5 kJ/mol; CO2 (g): -393.5 kJ/mol CH4 (g): -890.4 kJ/mol H2O (l): -285.8 kJ/mol; H2O (g): -241.8 kJ/mol H2S (g): -20.6 kJ/mol; NO: -90.2 kJ/mol NO2: +33.9 kJ/mol; HCl (g): -92.3 kJ/mol NaOH (s): -426.7 kJ/mol; SO2 (g): -296.8 kJ/mol a) CH4(g) + 2 O2(g) ---> CO2(g) +...
please solve and explain your answer I) (15 points) Given the standard enthalpies of formation for...
please solve and explain your answer
I) (15 points) Given the standard enthalpies of formation for the following substances (Table 2), determine the reaction enthalpy for the following reaction 45.433. ( O +1,220 kJ 0-1,220 kJ ·-967 kJ O +967 kJ 。+257 kS Substance l (kJ/mol) N2H4(g)+95. NO2(g) H2O(g) +33.1 -241.8 Table 2:
4. Calculate the energy change for the following reaction, using the standard enthalpies of formation provided....
4. Calculate the energy change for the following reaction, using the standard enthalpies of formation provided. SO2Cl2 (I)+2 H2O (I)2 HCI (g) + H,SO4 ) Substance AH (/mol) SO-ClO H2O0) HO(g) НСКО НС 9) H2SO 0) H-SO (aq) -394.1 -285.8 -241.8 92.3 -167.2 814.0 -909.3 If 25.0 kJ of heat energy is added to 50.0 g of water initially at 25°C, what will be the final temperature of the water? The specific heat of water is 4.18 J g1 °C
Please show work for the three problems... I have the answers
but don't know how to do the problems. Please show each one step by
step
1.)
Answer: D
2.)
Answer: A
3.)
Answer: D
Determine the heat of reaction for the combustion of ammonia 4NH3(g)+702(g)-»4NO2(g) + 6H20() using molar enthalpies of formation AH° (kJ/mol) 45.9 molecule NH3(g) NO2(g) H2O() +33.1 -285.8 a. +30.24 kJ b. -206.9 kJ c. -298.6 kJ d. -1398.8 kJ e. -1663.6 k ,Determine the heat...
9. Calculate the enthalpy for the reaction shown below using the provided enthalpies of formation. 2 NH3(g) + 3 N20() ► 4 Nz(s) + 3 H20m Compound N2016 NH3 (8) NOR) AHF (kJ/mol) 81.6 -46.2 90.4 Compound H200 H2018) AHF (kJ/mol) -285.8 -241.8 a. -877.4 kJ b. 321.2 kJ c. 1009 kJ d. -1009 kJ 11 Pinelund in
4. Use a standard enthalpies of formation values below to determine the change in enthalpy for each of these reactions. Reaction: NaOH(s) + HCl(g) → NaCl(s) + H2O(g) Compound NaOH(s) HCl(g) NaCl(s) H2O(g) AHF (kJ/mol) -426.7 -92.3 -411.0 -241.8
please solve and explain your answer
I) (15 points) Given the standard enthalpies of formation for the following substances (Table 2), determine the reaction enthalpy for the following reaction 45.433. ( O +1,220 kJ 0-1,220 kJ ·-967 kJ O +967 kJ 。+257 kS Substance l (kJ/mol) N2H4(g)+95. NO2(g) H2O(g) +33.1 -241.8 Table 2:
4. Calculate the energy change for the following reaction, using the standard enthalpies of formation provided. SO2Cl2 (I)+2 H2O (I)2 HCI (g) + H,SO4 ) Substance AH (/mol) SO-ClO H2O0) HO(g) НСКО НС 9) H2SO 0) H-SO (aq) -394.1 -285.8 -241.8 92.3 -167.2 814.0 -909.3 If 25.0 kJ of heat energy is added to 50.0 g of water initially at 25°C, what will be the final temperature of the water? The specific heat of water is 4.18 J g1 °C
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