3. Refer to the thermochemical equation and fill in the blanks to complete the sentence below.H₂ (g) + F2 (g) → 2 HF (g)AH°-537 kJ■Based on the sign of the enthalpy change (AH), this reactionheat energy and therefore can be termed as4. Consider the thermochemical reaction given below:(absorbs/releases)(exothermic/ endothermic)AH-2486 kJ2 C6H6 (1) + 15 O2 (g) -> 12 CO2 (g) + 6 H₂O (g)Note: Molar masses are, C6H6 = 78.11 g/mol; O2 = 32.00 g/mol; CO2 = 44.01 g/mol; H₂O = 18.01 g/molCole - 78:11 pm94;07-37A) How many kJ of heat energy are released if 35.0 g of C6H6 is reacted in excess oxygen gas?Show work for each step. Include units and observe proper sig figs and rounding in your answer.2 B) How many grams of CO2 will be produced if this reaction generated -146.8 kJ of heat energy?Show work for each step. Include units and observe proper sig figs and rounding in your answer.I

Note : Dear student, “Since you have asked multiple question, we will solve the first question for…

3. Refer to the thermochemical equation and fill in the blanks to complete the sentence below. H₂ (g) + F2 (g) → 2 HF (g) AH°-537 kJ ■ Based on the sign of the enthalpy change (AH), this reaction heat energy and therefore can be termed as (absorbs/releases) (exothermic / endothermic)

3. Refer to the thermochemical equation and fill in the blanks to complete the sentence below. H₂ (g) + F2 (g) → 2 HF (g) AH°-537 kJ ■ Based on the sign of the enthalpy change (AH), this reaction heat energy and therefore can be termed as (absorbs/releases) (exothermic / endothermic)

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

3. Refer to the thermochemical equation and fill in the blanks to complete the sentence below.
H₂ (g) + F2 (g) → 2 HF (g)
AH°-537 kJ
■
Based on the sign of the enthalpy change (AH), this reaction
heat energy and therefore can be termed as
4. Consider the thermochemical reaction given below:
(absorbs/releases)
(exothermic/ endothermic)
AH-2486 kJ
2 C6H6 (1) + 15 O2 (g) -> 12 CO2 (g) + 6 H₂O (g)
Note: Molar masses are, C6H6 = 78.11 g/mol; O2 = 32.00 g/mol; CO2 = 44.01 g/mol; H₂O = 18.01 g/mol
Cole - 78:11 pm94;07-37
A) How many kJ of heat energy are released if 35.0 g of C6H6 is reacted in excess oxygen gas?
Show work for each step. Include units and observe proper sig figs and rounding in your answer.
2

B) How many grams of CO2 will be produced if this reaction generated -146.8 kJ of heat energy?
Show work for each step. Include units and observe proper sig figs and rounding in your answer.
I

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