Given the following data 2 CIF (g) + O₂(g) → Cl₂ O(g) + F₂0(g) 2 CIF 3 (g) +202(g) → Cl₂ O(g) + 3F₂O(g) 2F2 (g) + O2(g) → 2F₂O(g) calculate A H for the reaction ΔΗ= CIF (g) + F₂ (g) → CIF3 (9) kj ΔΗ = 167.4 kJ AH = 341.4 kJ Δ Η = -43.4 kJ

Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter7: Chemical Energy
Section: Chapter Questions
Problem 109AE: A sample of nickel is heated to 99.8C and placed in a coffee-cup calorimeter containing 150.0 g...
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Given the following data
2 CIF (g) + O₂(g) → Cl₂ O(g) + F₂O(g)
2 CIF 3 (g) +202 (g) → Cl₂ O(g) + 3F₂O(g)
2F2 (g) + O2(g) → 2F₂O(g)
calculate A H for the reaction
AH=
CIF (g) + F₂ (g) → CIF 3 (9)
kJ
AH = 167.4 kJ
Δ Η = 341.4 kJ
AH = -43.4 kJ
Transcribed Image Text:Given the following data 2 CIF (g) + O₂(g) → Cl₂ O(g) + F₂O(g) 2 CIF 3 (g) +202 (g) → Cl₂ O(g) + 3F₂O(g) 2F2 (g) + O2(g) → 2F₂O(g) calculate A H for the reaction AH= CIF (g) + F₂ (g) → CIF 3 (9) kJ AH = 167.4 kJ Δ Η = 341.4 kJ AH = -43.4 kJ
In a coffee-cup calorimeter, 110.0 mL of 1.2 M
NaOH and 110.0 mL of 1.2 M
HCl are mixed. Both solutions were originally at 22.5°C. After the reaction, the final temperature is 30.5°C. Assuming that all the solutions have a density
of 1.0
g/cm³ and a specific heat capacity of 4.18 J/°C.g, calculate the enthalpy change for the neutralization of
HCl by
NaOH. Assume that no heat is lost to the surroundings or to the calorimeter.
ΔΗ = 0.182 kJ/mol
Transcribed Image Text:In a coffee-cup calorimeter, 110.0 mL of 1.2 M NaOH and 110.0 mL of 1.2 M HCl are mixed. Both solutions were originally at 22.5°C. After the reaction, the final temperature is 30.5°C. Assuming that all the solutions have a density of 1.0 g/cm³ and a specific heat capacity of 4.18 J/°C.g, calculate the enthalpy change for the neutralization of HCl by NaOH. Assume that no heat is lost to the surroundings or to the calorimeter. ΔΗ = 0.182 kJ/mol
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