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I did most of questions but I’m stuck with these few. Please
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I know the right answer is -233.8 but can someone please show the steps to get...
I know the right answer is
-233.8 but can someone please show the steps to get there?
Thanks!
Question4 10 10 pts The value of [delta)Ho for: 2 H2S (g) +SO2 (g) 3 S (s) + 2 H20 () is: H2 (g) 1/2 02 (g)H2O) [deltajH°-285.8 kJ H2 (g)S (s) > H2S (g) [delta)H°-20.5 kJ S (s) +O2 (8) >SO2 (g) (deltajHo --296.8 kJ +603.1 k 454.9 k +233.8 k 233.8 kJ -603.1 kJ
Can someone please help me figure out #10, please! I have a final tomorrow and would...
Can someone please help me figure out
#10, please! I have a final tomorrow and would greatly appreciate
it if you showed your work : )
10. Use the bond energies provided to estimate AH nn for the reaction below. rxn CHOH(I) + 2 O2(g)-CO2(g) + 2 H2O(g) Bond Bond Energy (kJ/mol) C-H 414 C-O 360 C O 799 O-O 498 O-H 464
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...
Need help to solve these questions with explanation. Pllease solve all questions please 12. What is...
Need help to solve these questions with explanation. Pllease
solve all questions please
12. What is of formations provided? nolar enthalpy change AHnu for the following reactions using the standard molar enthalpies sich() + 2 11,0 (l) ? SiO2 (s) + 4 HCl (g) AH (SiCIA) -640.1 kJ/mol AH (SiO2)-910.9 kJ/mol AH (H2O) -285.8 kJ/mol AH (HCI)-92.3 kJ/mol a. -2491.8 kJ/mol b. -1929.1 kJ/mol c. -77.3 kJ/mol d. -68.4 kJ/mol e. None of these 13. Given the following thermochemical equations...
please help I need help understanding, explain steps too, thank you 4. Given the following two...
please help I need help understanding, explain steps too, thank
you
4. Given the following two thermochemical equations, determine the AHx,unknown. Fe2O3(s) + 3 CO(g) → 2 Fe(s) + 3 CO2(g) AHørxn=-26.7 kJ CO(g) + 42 02(g) - CO2(g) AHºrx= -283.0 kJ 2 Fe(s) + 3/2 02(9) Fe2O3(s) AHºrxn unknown= ? 5. Calculate AHº for the reaction 2 C(s) + H2(g) – C2H2(g) Given the following data C2H2(g) + 5/202(g) → 2C02(g) + H20(C) C(s) + O2(g) → CO2(g) Hz(9)...
I really need some help with this please I would greatly appreciate it! ACLIVILIS anu Due...
I really need some help with this please I would
greatly appreciate it!
ACLIVILIS anu Due Dates -- General Chemistry Lab - Falliy ty and Hess' Law Pre-Lab Assignment Score: 95/500 Resources Give Up? Hint Check Answer Question 5 of 5 > In a constant-pressure calorimeter, 60.0 mL of 0.320 M Ba(OH), was added to 60.0 mL of 0.640 M HCI. The reaction caused the temperature of the solution to rise from 21.23 °C to 25.59 °C. If the solution...
could someone help me with these questions I have clue what to do with these, could...
could someone help me with these questions I have clue
what to do with these, could you please show work and explain it in
detail it would be greatly appreciated.
Qu12 1SLI uctiuIS Question 6 A material that partially dissociates in water an conducts electricity poorly is called: O Astrong electrolyte O An alcohol A weak electrolyte O None of the above A non-electrolyte Previous Quiz saved at 1:2 Started: Jul 5 at 11:36am Quiz Instructions Question 11 10 If...
I'm quite stuck with this C++ question, I would greatly appreciate the help! Many companies use...
I'm quite stuck with this C++ question, I would greatly appreciate the help! Many companies use telephone number like 888- COM - CAST so the number is easier for their customer to remember. On a standard telephone, the alphabetic letters are mapped to numbers in the following fashion. A, B, and C = 2 D, E, and F = 3 G, H, and I = 4 J , K , and L = 5 M, N, and O = 6...
Hello, i've tried to solve these questions myself. I would greatly appreciate any help with solving...
Hello, i've tried to solve these questions myself. I would
greatly appreciate any help with solving these two questions.
1) Balance the following redox reaction in basic solution. balance anyt" with OH Zn(s)+NO3- (aq) Zn2+(aq) +-NH3(aq) +5 -2 Zno znot the 30H + 3H² + NO3 cae NHacaq) + 2) A 1.67-g sample of solid silver reacted in excess chlorine gas to give a 2.21-g sample of pure solid AgCl. The heat given off in this reaction was 1.96 kJ...
Hi.can you help me answer 5)a)b)c).thank you so much for your help and kindness.I appreciate it...
Hi.can you help me answer 5)a)b)c).thank you so much
for your help and kindness.I appreciate it
510). i. calculate the standard entalpy change for the reactichi Mg + % 0 Mgo Given the following dator Mg + 2HCl + Mg(12th, fH, L AH: -157:01 kJ AH MgO + 2H01 - MgCl₂ + H₂O | 1 Hº, -120 kg. H₂ + 1/ O H₂O A t= -286 kJ m. Calculate the enthalpy change for the reaction in C4 Hugo + Hng...
I know the right answer is
-233.8 but can someone please show the steps to get there?
Thanks!
Question4 10 10 pts The value of [delta)Ho for: 2 H2S (g) +SO2 (g) 3 S (s) + 2 H20 () is: H2 (g) 1/2 02 (g)H2O) [deltajH°-285.8 kJ H2 (g)S (s) > H2S (g) [delta)H°-20.5 kJ S (s) +O2 (8) >SO2 (g) (deltajHo --296.8 kJ +603.1 k 454.9 k +233.8 k 233.8 kJ -603.1 kJ
Can someone please help me figure out
#10, please! I have a final tomorrow and would greatly appreciate
it if you showed your work : )
10. Use the bond energies provided to estimate AH nn for the reaction below. rxn CHOH(I) + 2 O2(g)-CO2(g) + 2 H2O(g) Bond Bond Energy (kJ/mol) C-H 414 C-O 360 C O 799 O-O 498 O-H 464
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...
Need help to solve these questions with explanation. Pllease
solve all questions please
12. What is of formations provided? nolar enthalpy change AHnu for the following reactions using the standard molar enthalpies sich() + 2 11,0 (l) ? SiO2 (s) + 4 HCl (g) AH (SiCIA) -640.1 kJ/mol AH (SiO2)-910.9 kJ/mol AH (H2O) -285.8 kJ/mol AH (HCI)-92.3 kJ/mol a. -2491.8 kJ/mol b. -1929.1 kJ/mol c. -77.3 kJ/mol d. -68.4 kJ/mol e. None of these 13. Given the following thermochemical equations...
please help I need help understanding, explain steps too, thank
you
4. Given the following two thermochemical equations, determine the AHx,unknown. Fe2O3(s) + 3 CO(g) → 2 Fe(s) + 3 CO2(g) AHørxn=-26.7 kJ CO(g) + 42 02(g) - CO2(g) AHºrx= -283.0 kJ 2 Fe(s) + 3/2 02(9) Fe2O3(s) AHºrxn unknown= ? 5. Calculate AHº for the reaction 2 C(s) + H2(g) – C2H2(g) Given the following data C2H2(g) + 5/202(g) → 2C02(g) + H20(C) C(s) + O2(g) → CO2(g) Hz(9)...
I really need some help with this please I would
greatly appreciate it!
ACLIVILIS anu Due Dates -- General Chemistry Lab - Falliy ty and Hess' Law Pre-Lab Assignment Score: 95/500 Resources Give Up? Hint Check Answer Question 5 of 5 > In a constant-pressure calorimeter, 60.0 mL of 0.320 M Ba(OH), was added to 60.0 mL of 0.640 M HCI. The reaction caused the temperature of the solution to rise from 21.23 °C to 25.59 °C. If the solution...
could someone help me with these questions I have clue
what to do with these, could you please show work and explain it in
detail it would be greatly appreciated.
Qu12 1SLI uctiuIS Question 6 A material that partially dissociates in water an conducts electricity poorly is called: O Astrong electrolyte O An alcohol A weak electrolyte O None of the above A non-electrolyte Previous Quiz saved at 1:2 Started: Jul 5 at 11:36am Quiz Instructions Question 11 10 If...
Hello, i've tried to solve these questions myself. I would
greatly appreciate any help with solving these two questions.
1) Balance the following redox reaction in basic solution. balance anyt" with OH Zn(s)+NO3- (aq) Zn2+(aq) +-NH3(aq) +5 -2 Zno znot the 30H + 3H² + NO3 cae NHacaq) + 2) A 1.67-g sample of solid silver reacted in excess chlorine gas to give a 2.21-g sample of pure solid AgCl. The heat given off in this reaction was 1.96 kJ...
Hi.can you help me answer 5)a)b)c).thank you so much
for your help and kindness.I appreciate it
510). i. calculate the standard entalpy change for the reactichi Mg + % 0 Mgo Given the following dator Mg + 2HCl + Mg(12th, fH, L AH: -157:01 kJ AH MgO + 2H01 - MgCl₂ + H₂O | 1 Hº, -120 kg. H₂ + 1/ O H₂O A t= -286 kJ m. Calculate the enthalpy change for the reaction in C4 Hugo + Hng...
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