Which of these reactions are exothermic and which are endothermic? 2NH3 (g) + 22Kcal à N2 (g) + 3H2 (g) _____________________________________________________ H2 (g) + Fe à 2HF (g) + 124 kcal _______________________________ C(s) + O2 (g) à CO2(g) + 94.0 Kcal _______________________________ H 2(g) + CO2 (g) + 9.80 kcal à H2O(g) + CO(g) ____________________________

Which of these reactions are exothermic and which are endothermic? 2NH3 (g) + 22Kcal à N2 (g) + 3H2 (g) _____________________________________ H2 (g) + Fe à 2HF (g) + 124 kcal _ C(s) + O2 (g) à CO2(g) + 94.0 Kcal _ H 2(g) + CO2 (g) + 9.80 kcal à H2O(g) + CO(g) ____________

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 5.75QE

See similar textbooks

Similar questions

H+(aq) + OH- (aq) —> H2O (l) ΔHo = - 56.2 kJ/mol The reaction depicted above is a/an ____________________________ reaction.
Which of the following reactions has (+)work? a. Ni(CO)4(g) ➜ Ni(s) + 4CO(g) b. C6H6(l) ➜ C6H6(g) c. 2SO2(g) + O2(g) ➜ 2SO3(g) d. SiO2(s) + 3C(s) ➜ SiC(s) + 2CO(g)
What type of reaction and how much energy is involved in a reaction of boron trichloride with hydrochloric acid? B2Hog) +6Cl2ig) +>2BCl31g) + 6HClg) AH= -755.4 kJ/mole Endothermic with AH--755.4 kJ/mole. Endothermic with AH= +0.001324 kJ/mole. Endothermic with AH =+755.4 kJ/mole. Exothermic with AH=+755.4 kJ/mole. O Exothermic with AH--755.4 kJ/mole.
Predict whether the following reactions will be exothermic or endothermic. A. N2(g)+3H2(g)⟶2NH3(g)N2⁡(g)+3⁢H2⁡(g)⟶2⁢NH3⁢(g) B. S(g)+O2(g)⟶SO2(g)S(g)+O2⁡(g)⟶SO2⁢(g) C. 2H2O(g)⟶2H2(g)+O2(g)2⁢H2O(g)⟶2⁢H2⁡(g)+O2⁡(g) D. 2F(g)⟶F2(g)2F(g)⟶F2⁡(g) Bond ??Δ⁢H (kJ/mol) H−HH−H 432 N≡NN≡N 942 O=OO=O 494 F−FF−F 155 H−NH−N 386 H−OH−O 459 S=OS=O 522 S−OS−O 355
For the following gas phase reaction indicate whether the following would increase, decrease or stay the same as the reaction proceeds? Unless otherwise specified, the temperature is regulated to remain constant! N2 (g) + 3 H2 (g) ---> 2 NH3 (g) Temperature (if unregulated)______________ Pressure ______________ Mass ______________ Total Moles______
60 50 $40 30 10 Course of Reaction Calculate the AH of the reaction. < Previous E Potential Energy (kJ)
Photosynthesis in plants concerts carbon dioxide and water into glucose (CH1;Oa) and oxygen according to the equation below. 6CO, (g) + 6H;0 (1) CHzO. (s) + 60, (g) Substance co, (g) H,O (1) CHOs (s) O, (g) AH? (KJ/mol) -393.5 -285.8 -1 273.3 S°(J/mol.K) 213.6 69.9 209.2 205.0 Calculate the AH°, AS°, and AG°, Is the reaction spontaneous at standard conditions?
SIMULATION Hess's Law I B * F2 # Select a reaction by clicking and dragging the reaction into one of the spaces below. A.H° (kJ/mol) +4.2 -195 -273 Clear Clear Clear Net Reaction: 80 F3 Reverse Reverse Reverse Select reactions to obtain this net reaction: SnCl₂(s) + TiCl4(!) → TiCl₂(s) + SnCl4(!) When this net reaction has been produced, press Check. X Recheck 10th attempt $ Submit Answer Q F4 Next (2 of 4) To produce this net reaction, add Reaction 2 and the reverse of Reawon 3. % Reactions SnCl₂(s) + TiBr₂(s) SnBr₂(s) + TiCl₂(s) SnCl₂(s) + Cl₂(g) → SnCl4(l) TiCl₂(s) + Cl₂(g) → TiCl4(!) Retry Entire Group ત્ર ર [Review Topics] A Ceffengage Lenining dengage Technical Support 9 more group attempts remaining C F6 Incorrect & F7 * DII [References] mp³ F8 ( F9 A.H° (kJ/mol) ArHonet = 0.0 kJ/mol A₁Hºnet 4 F10 F11 (Prev + F12 Save a
onsider the reaction4HCl(g) + O2(g)2H2O(g) + 2Cl2(g)Using the standard thermodynamic data in the tables linked above, calculate G for this reaction at 298.15K if the pressure of each gas is 10.84 mm Hg.ANSWER: ________kJ/mol
H2(g) + F2(g)---->2HF(g)Use the standard thermodynamic data in the tables linked above. Calculate G for this reaction at 298.15K if the pressure of HF(g) is reduced to 17.90 mm Hg, while the pressures of H2(g) and F2(g) remain at 1 atm._________kJ/mol
⠀⠀ M Apple Google Disney ESPN Yahoo! Consider the reaction CO(g) + Cl₂(g) →→→COCI₂(g) ANSWER: Submit Answer kJ/mol Biomedical Careers Program Apple iCloud ☆ B prod03-cnow-owl.cengagenow.com Try Another Version Yahoo G G D2L Images Bing Google Wikipedia Facebook Twitter LinkedIn The Weather Channel Yelp TripAdvisor ☆ C S b b C G 凶 Using the standard thermodynamic data in the tables linked above, calculate AGxn for this reaction at 298.15K if the pressure of each gas is 10.91 mm Hg. D2L 1 item attempt remaining COWLv2 |... [References] Use the References to access important values if needed for this question. C + 88 M
Consider the reactionCO(g) + Cl2(g)COCl2(g)Use the standard thermodynamic data in the tables linked above. Calculate G for this reaction at 298.15K if the pressure of COCl2(g) is reduced to 17.11 mm Hg, while the pressures of CO(g) and Cl2(g) remain at 1 atm. ___________ kJ/mol