(2x6m 5) 1SWEA9. When 10.0 mol of nitrogen dioxide is produced in the above reaction, theenthalpy change iskJ.PolHint: See Communication Example 3 on page 491 in your textbook.XAnswer1091 mol 2017 109.5108.02xImal= 10.13 KAH 109.5 KJ X5>5AH = 5475 KJ

The reaction is:2NO + O2 → 2NO2We must find the standard enthalpy changes of formation (ΔHf) for…

Answered: (2x6m 5) 1SWEA 9. When 10.0 mol of…

Chemistry

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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Part B Hydrogen, a potential future fuel, can be produced from carbon (from coal) and steam by the following reaction: Use slandard enthalpies to calculate AH for this reaction. Bond AH (kmol) C(s) + 2H2O(g) → 2Hz(g) +CO2(g) C(s), diamond 1,88 H,O(1) -285.8 H,0(g) -241.8 H(g) 218.0 CO(g) -110.5 CO,(g) -393.5 Express your answer to three significant figures. AHr 88.2 kJ Submit Previous AnSwers Request Answer X Incorrect; Try Again; 2 attempts remaining Make sure you have used the appropriate AH, values for each species in your calculation. For any pure element in its standard state, AH,=0. Part C Complete previous part(s)
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Using the provided table, determine the molar enthalpy (in kJ/mol) for the reaction 2 NH (g) + 3 N₂O (g)→ 4 N₂ (g) + 3 H₂O (1) Substance NH. (9) NO(g) N. (g) H.O (1) AHF (kJ/mol) 46.2 81.6 0 -285.8
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Use the molar bond enthalpy data in the table to estimate Average molar bond enthalpies. (Hpond) the value of AHan for the equation Bond kJ. mol-1 Bond kJ. mol-1 CCI, (g) + 2F, (8) → CF,(g) + 2 CL,(g) O-H 464 C=N 890 0-0 142 N-H 390 The bonding in the molecules is shown. С-О 351 N-N 159 O=0 502 N=N 418 C=0 730 N=N 945 C CI С-С 347 F-F 155 C=C 615 Cl-CI 243 C=C 811 Br-Br 192 С-Н 414 H-H 435 C-F 439 H-F 565 C-Cl 331 H-CI 431 C-Br 276 H-Br 368 C-N 293 H-S 364 C=N | 615 S-S 225
or this demonstration to the CEO, we're going to calculate the change in enthalpy, AH, for the combustion of 3compounds: ethane (C2H6), propane (C3H8), and ethanol (C2H5OH): a) Write a complete, balanced combustion equation using Lewis structures for all species. b) Make a list of all the bonds that are broken and formed during the reaction . c) Calculate AH in kJ/mol using the equation above. d) Calculate the AH in kJ/g
( is the answer is + 46.48 or -46.48 plzz telll ...why + or why - also explain
Is the final temperature of the reaction, the solution/H2O, and the calorimeter always the same in calorimetry problems?
What is the enthalpy change, Delta Hrxn, for the following reaction? 2 RbI (s) + Cl2 (g) --> 2 RbCl (s) + I2 (s) a. 1.33 x 103 kJ b. 656 kJ c. – 215 kJ d. 107 kJ e. 763 kJ f. none of these g. – 1.33 x 103 kJ h. 871 kJ
Imagine an endothermic reaction had been studied (i.e. AHºrn > 0). In this experiment we assumed the calorimeter was perfect (Acalorimeter = 0). If, however, the calorimeter were not perfect and heat flowed from the calorimeter to the contents, would the measured AH Txn be more or less endothermic than the true AH°? rxn
(Q5) Consider an endothermic reaction that takes place in 553 mL of solution. If the reaction requires 4,380 J of energy and the initial temperature of the solution is 26.2, what will the final solution temperature be? (3 sf) The density of solution is 1.00 g/mL and the specific heat of the solution is the same as that of water.

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(2x6m 5) 1SWEA 9. When 10.0 mol of nitrogen dioxide is produced in the above reaction, the enthalpy change is kJ. Pol Hint: See Communication Example 3 on page 491 in your textbook. X Answer 109 1 mol 2017 109.5 108.02 x Imal = 10.13 K AH 109.5 KJ X5 >5 AH = 5475 KJ