Please explain how to get answers 11/1 pointUse the accompanying AHOf values for the reaction: 4 NH3 (g) + 5 O2 (g) → 4 NO (g) + 6 H2O (g). Select all correct answers below.SpeciesNH3 (g)02 (g)NO (g)H2O (g)AH°(kJ/mol)-46090-242>ΔΗ= -908 kJAS surr=AS° 03.05 kJ K-1The reaction is not spontaneous at 298 K

Given reaction: 4NH3 (g) + 5O2 (g) ---> 4NO (g) + 6H2O (g) The enthalpy change for a…

Answered: 1 1/1 point Use the accompanying AHOf…

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter5: Thermochemistry

Section: Chapter Questions

Problem 5.84QE

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1. For the reaction 2 Hg(l) + O2(g) → 2 HgO(s), ∆rH° = 181.6 kJ/mol-rxn. What is the enthalpy change to decompose 1.00 mol of HgO(s) to O2(g) and Hg(l)? 3633 kJ −90.8 kJ 90.8 kJ 363.3 kJ
The heat of neutralization, Hneut, can be defined as the amount of heat released (or absorbed), q, per mole of acid (or base) neutralized. Hneut for nitric acid is -52 kJ/mol HNO3. At 27.3C, 50.00 mL of 0.743M HNO3 is neutralized by 1.00 M Sr(OH)2 in a coffee-cup calorimeter. (a) How many mL of Sr(OH)2 were used in the neutralization? (b) What is the final temperature of the resulting solution? (Use the assumptions in Question 11.)
A student performing a calorimetry experiment combined 100.0 ml. of 0.50 M HCI and 100.0 ml. of 0.50 M NaOH in a StyrofoamTM cup calorimeter. Both solutions were initially at 20.0 C, but when the two were mixed, the temperature rose to 23.2 C (a) Suppose the experiment is repeated in the same calorimeter but this time using 200 mL of 0.50 M HCl and 200.0 ml of 0.50 M NaOH. WIII the AT observed be greater than, less than, or equal to that in the first experiment, and why? (b) Suppose that the experiment is repeated once again in the same calorimeter, this time using 100 mL of 1.00 M HCI and 100.0 ml. of 1.00 M NaOH. Will the T observed be greater than, less than, or equal to that in the first experiment, and why?
Would the amount of heat absorbed by the dissolution in Example 5.6 appear greater, lesser, or remain the same if the heat capacity of the calorimeter were taken into account? Explain your answer.
ap chemistry
what is delta Hr for the reaction 3NH3 (g) + 3.75 (g) - 3NO(g) + 4.5 H20 (g) delta Hr = -904.7KJ 4NH3 (g) + 5O (g) ----> 4NO(g) + 6 H20 (g) delta Hr= -904.7 JK
A chem...easures the enthalpy change AH during the following reaction: CH1206(s)→3 CH4(9) + 3 CO2(g) ДН-- 132. kJ Use this information to complete the table below. Round each of your answers to the nearest kJ/mol. reaction ΔΗ x10 6CH,(g) + 6CO, ,(g) → 2C,H1,0,(s) |kJ 4 3CH,(g) + 3C0,(8) → C,H1,0,(s) 4 6. 3C,H1,0,(s) → 9CH,(g) + 9C0,(g) | kJ
C+½ 020l co CO (s) 2 (g) CO+ 2 02(a) (g) AH = - 111 kJ %3D CO, 2 (g) Is this reaction endothermic or exothermic? (g) AH = - 394 kJ %3D -11 K3+(-394 C6st O2 (9)-yCO26) AH=-505 KJ Exothermic 2. a) Explain how AT would be affected if a greater amount of surrounding solvent (water) is used, assuming the mass of salt remains constant? b) Explain how qien would be affected if a greater amount of surrounding solvent (water) is used? Explain. If the following enthalpies are known: AH = - 95KJ 2 C+D A+2B- C) AH = + 50kJ B+X
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18. For the following combustion reaction of benzoic acid (HC¬H5O2; molar mass = 122.1 g/mol) HC;H5O2(s) + 15202(g) --> 7CO2(g) + 3H20(1); DHcomb = -3226 kJ 1.00 g of benzoic acid is combusted in a bomb calorimeter, which contains 1.00 kg of water (specific heat = 4.184 J/g.°C) and the bomb has a heat capacity of 890 J/°C. If the initial temperature of the calorimeter is 25.0°C, what is the final temperature of the calorimeter when the combustion is completed? (A) 51.8°C (B) 31.3°C (C) 30.2°C (D) 27.0°C
* 42) Given the following reactions N2 (g) + Del AH = +180.7 kJ O2 (g) → 2NO (g) 001.0 to Jm 0.25 nixim yd sbsa notulossa Im AH = -113.1 kJ 2NO (g) + O2 (g) → 2NO2 (g) ->> 0080.0 (C the enthalpy of reaction for acr (af DIMM 900 02.00.0 (A rlos M aansugs as to (M) noitsusid ladom s 4NO (g) 2NO2 (g) + N2 (g) 1008.0 000 (8 is _ kJ. TA) 67.6 B)-293.8 gdong C) 293.8 mo D) 45.5 to hustom E)-45.5 SESIA diation has the greatest
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1 1/1 point Use the accompanying AHOf values for the reaction: 4 NH3 (g) + 5 O2 (g) → 4 NO (g) + 6 H2O (g). Select all correct answers below. Species NH3 (g) 02 (g) NO (g) H2O (g) AH°(kJ/mol) -46 0 90 -242 > ΔΗ = -908 kJ AS surr = AS° 0 3.05 kJ K-1 The reaction is not spontaneous at 298 K