Match each of the following with its correct answerA bomb calorimeter has a heat capacity of 2.47 kJ/°C. When a 0.105g ofethylene ( C,H,) is burned in this calorimeter, temperature rose by 2.14°C. Findthe heat of combustion ( in kJ per mole) of C,H, (MW = 28.05 g/mol)Choose...For the reaction:C(graphite) + 0g)co,2(g)AH° = -11020 k]/molChoose..Calculate the released heat (KI/mol) from burning 0.30 g of C (graphite) ?Given the following bond energies :bondbond energy (k/mol)C=C614O=0745C=0789Choose...O-H467С-н413Calculate AH for the reaction :C,H, + 30,2c0, + 2H,0is -285.8 KJ/mol and AH°, of H,O(9)is -241.8 KJ/mol, thenIf AH°, of H,0L)the AH°, of condensation of H,o in ( KJ/mol) is :If AH°, of H,0, is -285.8 KJ/mol and AH°, of H,0 is -241.8 KJ/mol, thenthe AH°, of condensation of H,o in ( KJ/mol) is :Choose...(L)2(L)2 (9)Choose...2(L)

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Match each of the following with its correct answer A bomb calorimeter has a heat capacity of 2.47 kJ/°C. When a 0.105g of ethylene ( C,H,) is burned in this calorimeter, temperature rose by 2.14°C. Find the heat of combustion ( in k] per mole) of C,H, (MW = 28.05 g/mol) Choose...

Match each of the following with its correct answer A bomb calorimeter has a heat capacity of 2.47 kJ/°C. When a 0.105g of ethylene ( C,H,) is burned in this calorimeter, temperature rose by 2.14°C. Find the heat of combustion ( in k] per mole) of C,H, (MW = 28.05 g/mol) Choose...

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...

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A 21.42g sample of an unknown metal was heated to 99.5ºC, and the added to 50.00g of water contained in a foam coffee cup. The initial temperature of the water was 20.5ºC, and the final temperature of the metal and water was 25.1ºC. The calorimeter constant for the coffee-cup calorimeter was 13.5 J/ºC. What was the specific heat of the metal? * the answer is 0.64 J/gºC, but I need to know how to get there
When 1.836 grams of sucrose (Molar mass 342.3 g/mol) is burned in a bomb calorimeter, the temperature of the calorimeter increases from 22.41°C to 26.63°C. If the heat capacity of the calorimeter is 4.900 kJ/°C, what is the heat of combustion of sucrose?
A 79.1 g sample of an unknown solid is heated to 62.6ºC and placed into a calorimeter containing 92.1 g of water at 22ºC. If the final temperature of the solid sample and the water is 32.5ºC, what is the specific heat of the solid? Please provide your final answer rounded to two decimal places.
The combustion of a sample of isoctane vapor at constant pressure raises the temperature of a calorimeter and its contents by 0.400 °C. The heat capacity of the calorimeter and water combined is 2.48 kJ/°C. How much heat was produced from the combustion? (variations of formula: c=q/mat)
A 1.615-g sample of benzoic acid, C7H6O2 (122.12 g/mol) was burned in a bomb calorimeter with excessoxygen. The temperature of the calorimeter and the water before combustion was 17.49 °C; after combustionthe calorimeter and the water had a temperature of 27.28 °C. The calorimeter had a heat capacity of 832 J/K,and contained 0.837 kg of water. Use these data to calculate the molar heat of combustion (in kJ) of benzoicacid.
Answer #3
A student runs two experiments with a constant-volume "bomb" calorimeter containing 1100. g of water (see sketch at right). thermometer stirrer First, a 5.500 g tablet of benzoic acid (C,H,CO, H) is put into the "bomb" and burned completely in an excess of water oxygen. (Benzoic acid is known to have a heat of combustion of 26.454 kJ/g.) The temperature of the water is observed insulation to rise from 15.00 °C to 42.56 °C over a time of 10.3 minutes. Next, 5.720 g of acetaldehyde (C2H,O} are put into the "bomb" and similarly completely burned in an excess of oxygen. This time the temperature of the water rises from 15.00 °C to 40.53 °C. chemical reaction "bomb" Use this information, and any other information you need from the ALEKS Data resource, to answer the questions below about this reaction: A "bomb" calorimeter. 2C,H,0(g) + 50, (g) 4CO, (g) + 4H,0 (g) Be sure any of your answers that are calculated from measured data are rounded to the correct number of significant digits. Note…
2 C,H,0(g) + 50,(8) 4 CO2(g) + 4 H,0(g) Be sure any of your answers that are calculated from measured data are rounded to the correct number of significant digits. Note for advanced students: it's possible the student did not do these experiments sufficiently carefully, and the values you calculate may not exactly match published values for this reaction. exothermic Is this reaction exothermic, endothermic, or neither? endothermic O neither If you said the reaction was exothermic or endothermic, calculate the amount of heat that was released or absorbed by the reaction in the second experiment. kJ kJ Calculate the reaction enthalpy AH, per mole of C,H¸0. rxn mol