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Gen Chem I Fa17 York, Exam 2 Show all work, include units as appropriate 1. Use...
1. How much heat is required at constant pressure to melt 1 mole of ice at...
1. How much heat is required at constant pressure to melt 1 mole of ice at -25 C to steam at 125° C? boiling point 100c melting point 0.000'C specific heat capacities are gas(steam) 2.08, liquid 4.184 solid (ice) 2.11. All in units of JigC AH(100°C) 40.7 kJ/mol AHu (0.000°C)-6.01 kJ/mol 2. Calculate AHrxn for the reaction: CH4(g)4 Cl2(g) -CC4(g) 4 HCl (g) + Use the following reactions and given AH's: CH4(g) AH =-74.6 kJ 2 H2(g) C(s) C(s)2 Cl2(g)...
i missed this question on a chem test recently, and im not quiet sure how to...
i missed this question on a chem test recently, and im not
quiet sure how to do this type of problem. i have been able to
solve a few very simple versions, but not this one.
UUUJ SE 8. Calculate AH, for the following reaction using the given equations: CH, (g) + 4 CI, (g) → CCI, (g) + 4 HCI (g) C(s) + 2 H, (g) → CH. (g) C(s) + 2 CI, (g) → CCL (9) (H, (8)...
A scientist measures the standard enthalpy change for the following reaction to be - 87.7 kJ : 2HBr(g) + Cl...
A scientist measures the standard enthalpy change for the following reaction to be - 87.7 kJ : 2HBr(g) + Cl2(g)— 2HCl(g) + Bra(s) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of HCl(g) is kJ/mol CH4() + H2O(g)_3H2(g) + CO(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of H2O() is kJ/mol Given the standard enthalpy changes for...
Name CHEM 1341008, fall 2019 ID Quiz 7A Take home All work must be shown and...
Name CHEM 1341008, fall 2019 ID Quiz 7A Take home All work must be shown and answer must have a box around it for full credit. Due 10-30 ot beginning of class. 1. Methane (CHa) combusts as shown in the equation below. If 3 moles of methane were used in the combustion, what would be the change in enthalpy (AH) for the reaction? CHa+2 O2- COaie+ 2 H20 AH-802 k 2. The specific heat of water is 4.184 J/gK. How...
Express the enthalpy in kJ Acceptable units Acceptable units X C Get Homework Help With +...
Express the enthalpy in kJ
Acceptable units Acceptable units X C Get Homework Help With + X um.ecollege.com/course.html?courseld-15350726&OpenVellumHMAC=c1df59a153217665a9f9526c8fe3a8b9# 10001 Course Home <Chapter 6 Exercise 6.82 - Enhanced - with Feedback < 24 of 34 Calculate A H for the following reaction: CH (g)+ 4C2(g) CC4(g) + 4HCI (g) given these reactions and their AH values: C(s) C(s) + 2C12(g) 2H2(g) CH4(g), CCL(g), AH=-74.6 kJ AH-95.7 kJ H2(g) + Cl2(g) 2HCI(g), AH=-184.6 kJ Express the enthalpy in kilojoules to one decimal...
6-8 Using the table below, calculate the AH rxn for each of the following equations. Selected...
6-8 Using the table below, calculate the AH rxn for each of the following equations. Selected Standard Enthalpies of Formation at 25° C (298K) AH (kJ/mol) (kJ/mol Formula AH 0 Silver 92.3 Agis) AgC(3) 0 1270 218 Formula AH (kJ/mol Formula Calcium Ca(s) CI (9) Ca(s) 635.1 HC (G) Caco (s)-1206.9 Hydrogen Hig) Carbon C(graphite) 0 H (9) C(diamond) 1.9 Nitrogen COL) -1105 N19) CO(g) -393.5 NH,(g CH_(9) 74.9 NO(9) CH,OHI) -238.6 Oxygen HỎNG) 133 O.) CS.) 87.9 O (9)...
show work 9) Given the bond enthalpies Cl-Cl (243), C-CI (339), H-CI (431),C-H (414)all in kJ/mol,...
show work
9) Given the bond enthalpies Cl-Cl (243), C-CI (339), H-CI (431),C-H (414)all in kJ/mol, estimate AE for the following reaction: CH4(g)+ Cl2(g)-CH3Cl(g)+ HCl(g) A)-1427 k) B) -113 kJ C) -30 kJ D)-356 kJ E) 301 kJ
Part A Use the information provided to determine AHºn for the following reaction: AH°; (kJ/mol) CHC13(1)...
Part A Use the information provided to determine AHºn for the following reaction: AH°; (kJ/mol) CHC13(1) + 3 HCl(g) -CH4(9) + 3 Cl2(9) AHºrn = ? CH (9) -75 CHC130) -134 HCl(9) -92 0 -217 kJ -335 kJ +151 kJ +335 kJ -485 kJ Submit Request Answer
need help ASAP Extra Credit Worksheet: Chapter 6-7 1. Ammonia (NH) burns in the presence of...
need help ASAP
Extra Credit Worksheet: Chapter 6-7 1. Ammonia (NH) burns in the presence of a copper catalyst to form nitrogen gas. 4NH,(?) + 30,(6) 2N,() + 6H2Og AH' = -1267 kJ How much heat would evolve when burn 35.80 g of ammonia burns? (1 point) (1 point) 2. Calculate the heat of reaction for PbCl2(s) + Cl2(g) → PbC14(1) Using the following set of reactions: Pb(s) + Cl2(g) → PbC1z(s); AH = -359.4 k) Pb(s) + 2C12() PbC140);...
14) Starting with the Lewis symbol for magnesium, give the chemical equation for the loss of...
14) Starting with the Lewis symbol for magnesium, give the chemical equation for the loss of 2 electrons from a neutral magnesium atom. 15) Explain the trends in increasing ionic radii. 16) What has a higher lE, sodium or magnesium and why? (Hint: Hard question, so write out the electron configuration of each then attempt to answer it) 6) Calculate AH for the following reaction: CHA (g) + 4Cl2(g) - CCL () + 4HCI (9) Use the following reactions and...
1. How much heat is required at constant pressure to melt 1 mole of ice at -25 C to steam at 125° C? boiling point 100c melting point 0.000'C specific heat capacities are gas(steam) 2.08, liquid 4.184 solid (ice) 2.11. All in units of JigC AH(100°C) 40.7 kJ/mol AHu (0.000°C)-6.01 kJ/mol 2. Calculate AHrxn for the reaction: CH4(g)4 Cl2(g) -CC4(g) 4 HCl (g) + Use the following reactions and given AH's: CH4(g) AH =-74.6 kJ 2 H2(g) C(s) C(s)2 Cl2(g)...
i missed this question on a chem test recently, and im not
quiet sure how to do this type of problem. i have been able to
solve a few very simple versions, but not this one.
UUUJ SE 8. Calculate AH, for the following reaction using the given equations: CH, (g) + 4 CI, (g) → CCI, (g) + 4 HCI (g) C(s) + 2 H, (g) → CH. (g) C(s) + 2 CI, (g) → CCL (9) (H, (8)...
A scientist measures the standard enthalpy change for the following reaction to be - 87.7 kJ : 2HBr(g) + Cl2(g)— 2HCl(g) + Bra(s) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of HCl(g) is kJ/mol CH4() + H2O(g)_3H2(g) + CO(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of H2O() is kJ/mol Given the standard enthalpy changes for...
Name CHEM 1341008, fall 2019 ID Quiz 7A Take home All work must be shown and answer must have a box around it for full credit. Due 10-30 ot beginning of class. 1. Methane (CHa) combusts as shown in the equation below. If 3 moles of methane were used in the combustion, what would be the change in enthalpy (AH) for the reaction? CHa+2 O2- COaie+ 2 H20 AH-802 k 2. The specific heat of water is 4.184 J/gK. How...
Express the enthalpy in kJ
Acceptable units Acceptable units X C Get Homework Help With + X um.ecollege.com/course.html?courseld-15350726&OpenVellumHMAC=c1df59a153217665a9f9526c8fe3a8b9# 10001 Course Home <Chapter 6 Exercise 6.82 - Enhanced - with Feedback < 24 of 34 Calculate A H for the following reaction: CH (g)+ 4C2(g) CC4(g) + 4HCI (g) given these reactions and their AH values: C(s) C(s) + 2C12(g) 2H2(g) CH4(g), CCL(g), AH=-74.6 kJ AH-95.7 kJ H2(g) + Cl2(g) 2HCI(g), AH=-184.6 kJ Express the enthalpy in kilojoules to one decimal...
6-8 Using the table below, calculate the AH rxn for each of the following equations. Selected Standard Enthalpies of Formation at 25° C (298K) AH (kJ/mol) (kJ/mol Formula AH 0 Silver 92.3 Agis) AgC(3) 0 1270 218 Formula AH (kJ/mol Formula Calcium Ca(s) CI (9) Ca(s) 635.1 HC (G) Caco (s)-1206.9 Hydrogen Hig) Carbon C(graphite) 0 H (9) C(diamond) 1.9 Nitrogen COL) -1105 N19) CO(g) -393.5 NH,(g CH_(9) 74.9 NO(9) CH,OHI) -238.6 Oxygen HỎNG) 133 O.) CS.) 87.9 O (9)...
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9) Given the bond enthalpies Cl-Cl (243), C-CI (339), H-CI (431),C-H (414)all in kJ/mol, estimate AE for the following reaction: CH4(g)+ Cl2(g)-CH3Cl(g)+ HCl(g) A)-1427 k) B) -113 kJ C) -30 kJ D)-356 kJ E) 301 kJ
Part A Use the information provided to determine AHºn for the following reaction: AH°; (kJ/mol) CHC13(1) + 3 HCl(g) -CH4(9) + 3 Cl2(9) AHºrn = ? CH (9) -75 CHC130) -134 HCl(9) -92 0 -217 kJ -335 kJ +151 kJ +335 kJ -485 kJ Submit Request Answer
need help ASAP
Extra Credit Worksheet: Chapter 6-7 1. Ammonia (NH) burns in the presence of a copper catalyst to form nitrogen gas. 4NH,(?) + 30,(6) 2N,() + 6H2Og AH' = -1267 kJ How much heat would evolve when burn 35.80 g of ammonia burns? (1 point) (1 point) 2. Calculate the heat of reaction for PbCl2(s) + Cl2(g) → PbC14(1) Using the following set of reactions: Pb(s) + Cl2(g) → PbC1z(s); AH = -359.4 k) Pb(s) + 2C12() PbC140);...
14) Starting with the Lewis symbol for magnesium, give the chemical equation for the loss of 2 electrons from a neutral magnesium atom. 15) Explain the trends in increasing ionic radii. 16) What has a higher lE, sodium or magnesium and why? (Hint: Hard question, so write out the electron configuration of each then attempt to answer it) 6) Calculate AH for the following reaction: CHA (g) + 4Cl2(g) - CCL () + 4HCI (9) Use the following reactions and...
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