A + 2B → C + D ∆H = 36 kJ E + 2B → C + F ∆H = -64 kJ F + G → D ∆H = 61 kJ What is ∆H for E + G → A ? It is possible that your answer could be either positive or negative. If it is negative, you must include the "minus" sign. Enter your answer as a decimal number.
IN ILLIULIOL JU_SUN/Lab%20Exams/CHEZ101%2... Submit Answer kJ/mol Tries 0/2 7. Consider the following reactions: A-B AH = 272 kJ C-B AH = 36 kJ What is AH for A C ? It is possible that your answer could be either positive or negative. If it is negative, you must include the "minus" sign. Enter your answer as a decimal number. k] Tries 0/2 Submit Answer 8. Consider the following reactions: A + 2B - C + D AH = -224 kJ...
11. Consider the reaction: M + 2HO → MOg + H2 When 0.25 mol of the metal, M, reacted with an aqueous HCI solution (the HCl is in excess), the temperature of the solutian rose because the reactian preduced 3460 1 of heat. What is o in i] ser mol of H for It is possible that your answer could be either positive or negative. If it is negative, you must include the "minus" sign. Enter your answer as a...
8. Can two of these molecules hydrogen bond with each other? НН НН YES NO НН Tries 0/2 Submit Answer 9. Can two of these molecules hydrogen bond with each other? НН H-C-C-o-H НН O YES NO Tries 0/2 Submit Answer 10. A chemical reaction was run in 155.0 mL of H2O. During the reaction, the temperature of the H2O changes from 28.4 oC to 57.6 oC. How much heat (in kJ) did the chemical reaction produce? For H2O, Cp=...
Bond Avg Bond Strength (in kJ/mol) C-C 350 C=O (in CO2) 804 O=O (in O2) 498 O-H 464 C-H 415 The table above gives the average bond strength for a variety of chemical bonds. Use these values to calculate the energy change (in kJ) for the combustion of 24.8 grams of propane? If your answer is positive include no sign, if it is negative, include a negative sign. kJ
You will be asked to upload your work for this question at the end of the exam. The following reaction is performed in a coffee-cup (constant pressure) calorimeter: 3 A + B + C + 3 D 75.00 mL of 0.1025 M A are mixed with 25.00 mL of 0.1014 M B. The initial temperature of both solutions is 21.76 °C. Once mixed, the solution's final temperature is 20.98 °C. Assume that all solutions have a density of 1.00 g/mL,...
Question 8 1 pts A particular reaction has AH = -104 kJ and AS = -137 J/K. At 25°C, what is the minimum amount of heat that is lost to the surroundings when this reaction occurs? Enter your answer to 0 decimal places and in units of kJ. Do not include a positive or negative sign in your answer.
8
please show all work as necessary
this is for part A, B, C, D, and E for this question.
Solano Company has sales of $740,000, cost of goods sold of $490,000, other operating expenses of $46,000, average invested assets of $2,200,000, and a hurdle rate of 10 percent. Required: 1. Determine Solano's return on investment (ROI), investment turnover, profit margin, and residual income. 2. Several possible changes that Solano could face in the upcoming year follow. Determine each scenario's...
15 36 27 Price 18 9 d 0 9 18 27 36 45 Quatity per period a) What is the value of the slope of the demand curve? Remember to enter a minus (-) sign to indicate negative values Graphically it is a b) What is the elasticity of demand between points a and b, and between points c and d? Round your answers to 2 decimal places. a and b: cand d: c) At what price is the elasticity...
Given the following enthalpy change values for the reactions below: A + 2B → C ; ΔrH = 136.5 kJ mol-1 2C + D → E + F ; ΔrH = -319.8 kJ mol-1 ½ E → G + 2B ; ΔrH = -296.9 kJ mol-1 Calculate ΔrH for the following reaction (in kJ mol-1) using Hess's Law: 2A + D → F + 2G
2. Given that, for some a, b, c, d, e, f, g, h, i E evaluate the following determinants: (a) 13 points (b) (3 points (c) [4 pointe b h e 5b 5c 5a 9 2a 2b 2c