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t, 5.010 g of acetylene (C₂H₂) a are put into the "bomb" and similarly completely burned in an excess of oxygen. s time the temperature of the water rises from 20.00 °C to 81.57 °C. e this information, and any other information you need from the ALEKS Data resource, to answer the questions low about this reaction: 2C₂H₂(g) + 50₂(g) → 4CO₂(g) + 2 H₂O(g) e sure any of your answers that are calculated from measured data are rounded to the correct number of significant digits. ote for advanced students: it's possible the student did not do these experiments sufficiently carefully, and the values you calculate ublished values for this reaction. Is this reaction exothermic, endothermic, or 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. Calculate the reaction enthalpy AH per mole of C₂H₂. exothermic O endothermic 0 neither KJ kJ "bomb" A "bomb" mol

t, 5.010 g of acetylene (C₂H₂) a are put into the "bomb" and similarly completely burned in an excess of oxygen. s time the temperature of the water rises from 20.00 °C to 81.57 °C. e this information, and any other information you need from the ALEKS Data resource, to answer the questions low about this reaction: 2C₂H₂(g) + 50₂(g) → 4CO₂(g) + 2 H₂O(g) e sure any of your answers that are calculated from measured data are rounded to the correct number of significant digits. ote for advanced students: it's possible the student did not do these experiments sufficiently carefully, and the values you calculate ublished values for this reaction. Is this reaction exothermic, endothermic, or 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. Calculate the reaction enthalpy AH per mole of C₂H₂. exothermic O endothermic 0 neither KJ kJ "bomb" A "bomb" mol

Chemistry
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 student runs two experiments with a constant-volume "bomb" calorimeter containing 1000. g of water (see sketch at right). First, a 5.500 g tablet of benzoic acid (CH,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 20.00 °C to 54.64 °C over a time of 9.3 minutes. Next, 5.010 g of acetylene (C₂H₂) are put into the "bomb" and similarly completely burned in an excess of oxygen. This time the temperature of the water rises from 20.00 °C to 81.57 °C. Use this information, and any other information you need from the ALEKS Data resource, to answer the questions below about this reaction: esc ion 1 2 A 2C₂H₂(g) + 50₂(g) → 4CO₂(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 exac published values for this reaction. Is this reaction exothermic, endothermic, or 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. Check N 2 W S * X H command 3 E D 69 + C R F olo 40 V K T MacBook Pro ^ < 6 ➡ Y B 00 & G | H 7 U exothermic O endothermic O neither N KJ 00 * 8 J © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Pri 1 ( 9 stirrer M K "bomb" A "bomb" calorimeter. Save For Later therme ) (0) chemical reactic O O P comma
Transcribed Image Text:A student runs two experiments with a constant-volume "bomb" calorimeter containing 1000. g of water (see sketch at right). First, a 5.500 g tablet of benzoic acid (CH,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 20.00 °C to 54.64 °C over a time of 9.3 minutes. Next, 5.010 g of acetylene (C₂H₂) are put into the "bomb" and similarly completely burned in an excess of oxygen. This time the temperature of the water rises from 20.00 °C to 81.57 °C. Use this information, and any other information you need from the ALEKS Data resource, to answer the questions below about this reaction: esc ion 1 2 A 2C₂H₂(g) + 50₂(g) → 4CO₂(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 exac published values for this reaction. Is this reaction exothermic, endothermic, or 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. Check N 2 W S * X H command 3 E D 69 + C R F olo 40 V K T MacBook Pro ^ < 6 ➡ Y B 00 & G | H 7 U exothermic O endothermic O neither N KJ 00 * 8 J © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Pri 1 ( 9 stirrer M K "bomb" A "bomb" calorimeter. Save For Later therme ) (0) chemical reactic O O P comma
ext, 5.010 g of acetylene (C₂H₂) are put into the "bomb" and similarly completely burned in an excess of oxygen. This time the temperature of the water rises from 20.00 °C to 81.57 °C. Use this information, and any other information you need from the ALEKS Data resource, to answer the questions below about this reaction: esc 2C₂H₂(g) 50₂(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 no published values for this reaction. ! 1 A Q N + Check Is this reaction exothermic, endothermic, or 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. Calculate the reaction enthalpy AHxn per mole of C₂H₂. @ 2 W - 4CO₂(g) + - 2H₂O(g) S X #3 E D C $ 4 R F % 5 T G MacBook Pro 6 Y & N 7 H U exothermic O endothermic O neither N * 00 KJ 8 kJ mol © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use I ( 9 M "bomb" A "bomb" calorim K chemica Save For Later ) O O L of
Transcribed Image Text:ext, 5.010 g of acetylene (C₂H₂) are put into the "bomb" and similarly completely burned in an excess of oxygen. This time the temperature of the water rises from 20.00 °C to 81.57 °C. Use this information, and any other information you need from the ALEKS Data resource, to answer the questions below about this reaction: esc 2C₂H₂(g) 50₂(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 no published values for this reaction. ! 1 A Q N + Check Is this reaction exothermic, endothermic, or 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. Calculate the reaction enthalpy AHxn per mole of C₂H₂. @ 2 W - 4CO₂(g) + - 2H₂O(g) S X #3 E D C $ 4 R F % 5 T G MacBook Pro 6 Y & N 7 H U exothermic O endothermic O neither N * 00 KJ 8 kJ mol © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use I ( 9 M "bomb" A "bomb" calorim K chemica Save For Later ) O O L of
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