Must answer all questionselse downvote guranteed When 1.350 g of benzoic acid (C7H,O2) burns completely in excess O2 gas at constant pressure and 298.0 K, it releases 35.61 kJ ofenergy.Your answer is correct.Write the balanced chemical equation for this reaction. Ignore aggregation states in your answer.2C,H,0, + 150,+14CO, + 6H,0eTextbook and MediaX Incorrect.(a) What is the molar energy of combustion (in kJ/mol) of acetylene?i3221.52kJ/mol(b) How much energy (in kJ) is released per mole of O2 consumed?i429.536kJ When 8.36 g of a salt dissolves in 142 mL of water (density = 1.00 g/mL) in a coffee-cup calorimeter, the temperature rises from 20.1°Cto 23.6°C. Determine q for the solution process, assuming that Ccal = Cwater-Include the mass of salt in your calculation.

Since you have posted multiple unrelated questions, we are entitled to answer the first only as per…

When 8.36 g of a salt dissolves in 142 mL of water (density = 1.00 g/mL) in a coffee-cup calorimeter, the temperature rises from 20.1°C to 23.6°C. Determine q for the solution process, assuming that Ccal = Cwater- Include the mass of salt in your calculation.

When 8.36 g of a salt dissolves in 142 mL of water (density = 1.00 g/mL) in a coffee-cup calorimeter, the temperature rises from 20.1°C to 23.6°C. Determine q for the solution process, assuming that Ccal = Cwater- Include the mass of salt in your calculation.

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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Question

Must answer all questionselse downvote guranteed

When 1.350 g of benzoic acid (C7H,O2) burns completely in excess O2 gas at constant pressure and 298.0 K, it releases 35.61 kJ of
energy.
Your answer is correct.
Write the balanced chemical equation for this reaction. Ignore aggregation states in your answer.
2C,H,0, + 150,+14CO, + 6H,0
eTextbook and Media
X Incorrect.
(a) What is the molar energy of combustion (in kJ/mol) of acetylene?
i
3221.52
kJ/mol
(b) How much energy (in kJ) is released per mole of O2 consumed?
i
429.536
kJ

When 8.36 g of a salt dissolves in 142 mL of water (density = 1.00 g/mL) in a coffee-cup calorimeter, the temperature rises from 20.1°C
to 23.6°C. Determine q for the solution process, assuming that Ccal = Cwater-
Include the mass of salt in your calculation.

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