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A student runs two experiments with a constant-volume "bomb" calorimeter containing 1400. g of water (see sketch at -ight). First, a 6.500 g tablet of benzoic acid (C6H,CO₂H) is put into the "bomb" and burned completely in an excess of oxygen. (Benzoic acid is known to have a heat of combustion of 26.454 kJ/g.) The temperature of the water is observed to rise from 13.00 °C to 38.59 °C over a time of 5.8 minutes. Next, 5.920 g of ethylene (C₂H4) are put into the "bomb" and similarly completely burned in an excess of oxygen. This time the temperature of the water rises from 13.00 °C to 58.70 °C. Use this information, and any other information you need from the ALEKS Data resource, to answer the questions below about this reaction: 4 exothermic stirrer endothermic thermom O C₂H₂(g) + 30₂(g) 2CO₂(g) + 2H₂O(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 published values for this reaction. chemical reac "bomb" A "bomb" calorimete

A student runs two experiments with a constant-volume "bomb" calorimeter containing 1400. g of water (see sketch at -ight). First, a 6.500 g tablet of benzoic acid (C6H,CO₂H) is put into the "bomb" and burned completely in an excess of oxygen. (Benzoic acid is known to have a heat of combustion of 26.454 kJ/g.) The temperature of the water is observed to rise from 13.00 °C to 38.59 °C over a time of 5.8 minutes. Next, 5.920 g of ethylene (C₂H4) are put into the "bomb" and similarly completely burned in an excess of oxygen. This time the temperature of the water rises from 13.00 °C to 58.70 °C. Use this information, and any other information you need from the ALEKS Data resource, to answer the questions below about this reaction: 4 exothermic stirrer endothermic thermom O C₂H₂(g) + 30₂(g) 2CO₂(g) + 2H₂O(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 published values for this reaction. chemical reac "bomb" A "bomb" calorimete

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter6: Thermochemisty
Section: Chapter Questions
Problem 6.147QP: The head of a strike anywhere match contains tetraphosphorus trisulfide, P4S3. In an experiment, a...
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A student runs two experiments with a constant-volume "bomb" calorimeter containing 1400. g of water (see sketch at right). First, a 6.500 g tablet of benzoic acid (C6H,CO₂H) is put into the "bomb" and burned completely in an excess of oxygen. (Benzoic acid is known to have a heat of combustion of 26.454 kJ/g.) The temperature of the water is observed to rise from 13.00 °C to 38.59 °C over a time of 5.8 minutes. SC Your answer is incorrect. Next, 5.920 g of ethylene (C₂H4) are put into the "bomb" and similarly completely burned in an excess of oxygen. This time the temperature of the water rises from 13.00 °C to 58.70 °C. Use this information, and any other information you need from the ALEKS Data resource, to answer the questions. below about this reaction: ! Is this reaction exothermic, endothermic, or neither? Recheck 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. C₂H₂(g) + 30₂(g) 2CO₂(g) + 2H₂O(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 published values for this reaction. A Z ➡ Try one last time 2 W S #3 E S $ 4 R X C % 5 D F T V 6 G Y B & 7 H exothermic O endothermic O neither -132.5 kJ U * 00 8 N kl J © 2023 McGraw Hill LLC. All Rights Reserved. Terms 1 "bomb" A "bomb" calorimete ( 0 thermon PM 9 (0) chemical reac M K Save For La ) 0
Transcribed Image Text:A student runs two experiments with a constant-volume "bomb" calorimeter containing 1400. g of water (see sketch at right). First, a 6.500 g tablet of benzoic acid (C6H,CO₂H) is put into the "bomb" and burned completely in an excess of oxygen. (Benzoic acid is known to have a heat of combustion of 26.454 kJ/g.) The temperature of the water is observed to rise from 13.00 °C to 38.59 °C over a time of 5.8 minutes. SC Your answer is incorrect. Next, 5.920 g of ethylene (C₂H4) are put into the "bomb" and similarly completely burned in an excess of oxygen. This time the temperature of the water rises from 13.00 °C to 58.70 °C. Use this information, and any other information you need from the ALEKS Data resource, to answer the questions. below about this reaction: ! Is this reaction exothermic, endothermic, or neither? Recheck 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. C₂H₂(g) + 30₂(g) 2CO₂(g) + 2H₂O(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 published values for this reaction. A Z ➡ Try one last time 2 W S #3 E S $ 4 R X C % 5 D F T V 6 G Y B & 7 H exothermic O endothermic O neither -132.5 kJ U * 00 8 N kl J © 2023 McGraw Hill LLC. All Rights Reserved. Terms 1 "bomb" A "bomb" calorimete ( 0 thermon PM 9 (0) chemical reac M K Save For La ) 0
esc ! 1 oxygen. (Benzoic acid is known to have a heat of combustion of 26.454 kJ/g.) The temperature of the water is observed to rise from 13.00 °C to 38.59 °C over a time of 5.8 minutes. Next, 5.920 g of ethylene (C₂H4) a are put into the "bomb" and similarly completely burned in an excess of oxygen. This time the temperature of the water rises from 13.00 °C to 58.70 °C. Use this information, and any other information you need from the ALEKS Data resource, to answer the questions below about this reaction: C₂H₂(g) + 30₂(g) 2CO₂(g) + 2 H₂O(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 ex published values for this reaction. G Is this reaction exothermic, endothermic, or neither? Recheck A 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. Calculate the reaction enthalpy AHxn per mole of C₂H4. N 2 Try one last time W S # 3 X E D $ 4 R FL % 5 T C V MacBook Pro ^ 6 Y & B 7 exothermic O endothermic O neither U -132.5 KJ - 1160.9 * 00 8 G H J kJ mol 1 "bomb" A "bomb" calorimeter. © 2023 McGraw Hill LLC. All Rights Reserved. Terms of U ( 34 9 chemical reactio K N M 09 X Save For Late ) 0 V L
Transcribed Image Text:esc ! 1 oxygen. (Benzoic acid is known to have a heat of combustion of 26.454 kJ/g.) The temperature of the water is observed to rise from 13.00 °C to 38.59 °C over a time of 5.8 minutes. Next, 5.920 g of ethylene (C₂H4) a are put into the "bomb" and similarly completely burned in an excess of oxygen. This time the temperature of the water rises from 13.00 °C to 58.70 °C. Use this information, and any other information you need from the ALEKS Data resource, to answer the questions below about this reaction: C₂H₂(g) + 30₂(g) 2CO₂(g) + 2 H₂O(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 ex published values for this reaction. G Is this reaction exothermic, endothermic, or neither? Recheck A 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. Calculate the reaction enthalpy AHxn per mole of C₂H4. N 2 Try one last time W S # 3 X E D $ 4 R FL % 5 T C V MacBook Pro ^ 6 Y & B 7 exothermic O endothermic O neither U -132.5 KJ - 1160.9 * 00 8 G H J kJ mol 1 "bomb" A "bomb" calorimeter. © 2023 McGraw Hill LLC. All Rights Reserved. Terms of U ( 34 9 chemical reactio K N M 09 X Save For Late ) 0 V L
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