Calculate the enthalpy change for the following chemical reaction: Tip: make sure the reaction is balanced. Select one: O a. -536.8 kJ mol O b. cannot be determined O c. -1337.4 kJ mol O d. 1337.4 kJ mol NH3 (9) + F₂ (g) → NF3 (9) + NHẬF(8) Compound AH,, kJ mol NH3(9) 45.6 F₂ (9) 0 NP3 (9) 113.7 NHAF(s) 468.7

Calculate the enthalpy change for the following chemical reaction: Tip: make sure the reaction is balanced. Select one: O a. -536.8 kJ mol O b. cannot be determined O c. -1337.4 kJ mol O d. 1337.4 kJ mol NH3 (9) + F₂ (g) → NF3 (9) + NHẬF(8) Compound AH,, kJ mol NH3(9) 45.6 F₂ (9) 0 NP3 (9) 113.7 NHAF(s) 468.7

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

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

See similar textbooks

Similar questions

9) The following thermochemical equation is for the reaction of ammonia(g) with oxygen(g) to form nitrogen monoxide(g) and water(g): 4 NH3(g) + 5 O₂(g) → 4 NO(g) + 6 H₂O(g) 8100.0 25228 AH = -905 kJ 2730.0 How many grams of NH3(g) would have to react with excess O₂(g) to produce 58.6 kJ of energy?
A chemist measures the energy change AH during the following reaction: 2 NH,(9) - N,(9)+3H,(9) AH = 160. kJ Use the information to answer the following questions. O endothermic. This reaction is... alo O exothermic. Suppose 46.5 g of NH, react. O Yes, absorbed. O Yes, released. Will any heat be released or absorbed? O No. If you said heat will be released or absorbed in the second part of this question, calculate how much heat will be released or absorbed. Be sure your answer has the correct number of significant digits.
1. From the following enthalpies of reaction: • 2HFe) CFA@) F2tet AH = -537 kJ Hate + 2 F2te) 2 H2(8) C. AH = -680 kJ 4. AH = -52.3 kJ 4- 2C, and HF(e) Calculate the AH for the reaction of C,Hate) with F2te) to make CF4te)
the first picture is the question and the second picture is the expected answer (please apply thermochemistry and their formula)
When N₂(g) reacts with H₂(g) to form NH3(g), 92.2 kJ of energy are evolved for each mole of N₂(g) that reacts. Write a balanced thermochemical equation for the reaction with an energy term in kJ as part of the equation. Note that the answer box for the energy term is case sensitive. Use the SMALLEST INTEGER coefficients possible and put the energy term (including the units) in the last box on the appropriate side of the equation. If a box is not needed, leave it blank. + + +
44( How much heat is involved or absorbed when 30.0 gram of iron oxidizes to form iron oxide Under standard condition? The invalid be formation of iron oxide is listed below
Under what conditions does q, the heat evolved or absorbed by the system in a physical or chemical process, equal the change in enthalpy of the system? 1. When q = 0. 2. When w = 0. 3. When w = -PAV. O 1, 2, and 3 O 1 only 3 only O 2 only O 2 and 3
For chemical reaction N2(g)+ 3H2(g) → 2NH3(g) at 298.15K the standard heat of reaction is -46.1 kJ. Find out the energy released when 1 mole N2 is converted to NH3 at CONSTANT VOLUME.
A chemist measures the energy change AH during the following reaction: CH(g)+20,(9) → CO2(9)+2H,O(1) AH=-882. kJ Use the information to answer the following questions. endothermic. This reaction is... x10 exothermic. Suppose 41.2 g of CH, react. Yes, absorbed. Yes, released. Will any heat be released or absorbed? No. If you said heat will be released or absorbed in the second part of this question, calculate how much heat will be released or absorbed. O kJ Be sure your answer has the correct number of significant digits.
6.0
1. (STA student synthesized a fictional solid compound A2D6 when he mixed a 500. mL solution 0.500 M A3 and of 45.0 g of solid D4 (MW: 193.04). In this process 94.00 kJ of heat was used and the student noticed the flask getting colder. Write the thermochemical reaction for the synthesis of fictional solid compound A2D6. endo-colder (+)
5 18 21 F2 @ 2 S Alt 4 W X F3 Using the standard enthalpies of formation He given and your knowledge of H values for elements in their standard states, determine the enthalpy of this reaction. 2A3X2 (g) + O2 (g) - 2A3X (g) + 2XO (g) Hvalues A3X2 (g) = -78 kJ/mol A3X (g) = -221 kJ/mol XO (g) = 111 kJ/mol O Et F4 40) # 3 E D C $ 4 R F F5 ► 11 V olo % 5 F6 T G A B A 6 S F7 Y H F8 & 7 N U J F9 * 00 8 M Q I K F10 S ( 9 < Alt O F11 L 8: ) O O F12 P Ctrl PrtScr 0.00 ? { [ + = 1 +Home Act Go to 83°F Su Insert } 1 TP