Tutored Practice Pro 5.4.4 COUNTS TOWARDS GRADE Close Problem Use constant-volume calorimetry to determine energy change. A 0.934-g sample of dimethyl oxalate (C,H,O.) is burned in a bomb calorimeter and the temperature increases from 25.40 °C to 27.60 °C. The calorimeter contains 1.15x10 g of water and the bomb has a heat capacity of 943 J/°C. Based on this experiment, calculate AE for the combustion reaction per mole of dimethyl oxalate burned (kJ/mol). C,H,O4(s) + 7/2 O2(g) 4 CO2(g) + 3 H20(1) AE = kJ/mol Check & Submit Answer Show Approach

Tutored Practice Pro 5.4.4 COUNTS TOWARDS GRADE Close Problem Use constant-volume calorimetry to determine energy change. A 0.934-g sample of dimethyl oxalate (C,H,O.) is burned in a bomb calorimeter and the temperature increases from 25.40 °C to 27.60 °C. The calorimeter contains 1.15x10 g of water and the bomb has a heat capacity of 943 J/°C. Based on this experiment, calculate AE for the combustion reaction per mole of dimethyl oxalate burned (kJ/mol). C,H,O4(s) + 7/2 O2(g) 4 CO2(g) + 3 H20(1) AE = kJ/mol Check & Submit Answer Show Approach

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

True or False: In a coffee cup calorimetry experiment qreaction + qsolution = 0
Table 1: Calorimeter Heat Capacity Measurements Trial 1Trial 2Trial 3 50.0050.0050.00 50.0050.0050.00 Volume of cool water (mL) Volume of hot water (mL) Initial temperature of cool water 25.0 25.4 24.8 (°C) Initial temperature of hot water (°C) 40.5 40.5 39.9 Final temperature of water in 32.3 32.3 31.3 calorimeter (°C) Table 5: Calculated results What is the heat capacity of calorimeter (J/C) in each trial experiment above? Trial 1: ? Trial 2: ? Trial 3: ? Average of all trials:
When 0.7521 g of benzoic acid was burned in a calorimeter containing 1,000. g of water, a temperature rise of 3.60°C was observed. What is the heat capacity of the bomb calorimeter, excluding the water? The heat of combustion of benzoic acid is -26.42 kJig. Multiple Choice 7521 KJPC 4.18 kJ/C 1.34 KJPC 15.87 KJPC 5.52 KJPC
Please don't provide handwriting solution
2. MY NOTES DETAILS PREVIOUS ANSWERS OSATOMSCHEM2 9.2.E.030. ASK YOUR TEACHER When 1.3 g of fructose, CHO(s), a sugar commonly found in fruits, is burned in exygen in a bomb calorimeter, the temperature of the calorimeter increases by 2.03°C. If the heat capacity of the calorimeter and its contents is 9.02 k/C, what is a (in kJ) for this combustion? XK tar a number with the correct number of signatures
Please don't provide handwriting solution
calorimetry
1. Write the balanced equation for the production of the brown nitrogen dioxide (NO2) gas from nitrogen and oxygen gases. Calculate the enthalpy of the reactions given below. N2 (g) +O2 2NO (g) 2NO (g) AH = 180 kJ ne 2NO(g) +Q2 (g) AH = 112 kJ 2. Methylhydrazine (N2H3CH3) is common liquid propellant used in rocket fuels. Look for the standard molar enthalpies of formation of the reactants and products. Calculate the AH° for the reaction per mole of N2H3CH3. 4N2H3CH3 (1) + 5N2O4 () 12H20 (g) +9N2 (g) +4CO2 (g)
Need help with these calculations
A 6.80 g sample of taffy is combusted in a bomb calorimeter supplied with excess oxygen gives rise to a temperature increase of 3.00 *C. Given that the heat capacity of the calorimeter is 40.00 kJ-K-¹, calculate the nutritional Calories per gram of taffy. Calories per gram of candy: 4201.68 Incorrect Cal/g
Im confused in how to solve this exercise