1)
Delta H is negative.
So, heat is released in reaction.
It is exothermic
Answer: exothermic
2)
When 2 mol of NH3 is formed, heat involved = 22 kcal
So,
When 0.650 mol of NH3 is formed, heat involved = 22*0.650/2 = 7.15 kcal
Answer: 7.15 kcal
п Chapter 7 "roblem 7.77 For the production of ammonia from its elements 3H2(g)+N2(g) AH 22...
CHEM 1340 Hybrid Fall 2019 <Chapter 7 Problem 7.85 The thermite reaction (photograph, P. 185 in the textbook), in which aluminum metal reacts with iron(III)oxide to produce a spectacular display of sparks, is so exothermic that the production) is in the molton State 2Al(s) + FeO3(s) + All Os(s) +2Fe() AH-202.9 kcal/mol Part A How much hatin kilocalories) is released when 6.46 g of Al is used in the reaction? 180 AED RO? Submit Request Answer Provide Feedback Type here...
1 2 Part A Calculate Kp at 298 K for the reaction NO(g) + + O2(g) → NO2 (g) assuming that AH is constant over the interval 298-600 K. Kp = 2.31x106 Submit Previous Answers ✓ Correct Part B Calculate Kp at 477 K for this reaction assuming that AHR is constant over the interval 298-600 K. PO AQ * o o ? Kp = | Submit Previous Answers Request Answer Revie For the reaction 2CH4 (g) = C2H2(g) +...
Constants Periodic Table Consider the reaction: H2(g) +12(s) + 2HI(g) Average Bond Enthalpies (kJ/mol) Part A Use the bond enthalpies in the table to estimate AH for this reaction, ignoring the fact that iodine is in the solid state. Express your answer in kilojoules to two significant figures. IVO AQ R o 21 ? C-H 413 N-H 391 0-H 463 F-F 155 C-C 348 N-N 163 0-0 146 C=C 614 N-O 201 0=0 495 Cl-F 253 C-N 293 N-F 272...