1) When 4.90 g NaOH(s) is reacted with 200.0 mL 0.612 M HCl(aq), the temperature increases 14.63 Celsius degrees. NaOH(s) + H(aq) --> Na (aq) + H₂O(1) AH = ?

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Problem: Solve for the following enthalpy changes
1) When 4.90 g NaOH(s) is reacted with 200.0 mL 0.612 M HCl(aq), the temperature increases
14.63 Celsius degrees.
NaOH(s) + H*(aq) --> Na (aq) + H₂O(l) AH = ?
2) When 4.16 g NaOH(s) is dissolved in 200.0 mL of water, the temperature increases 5.37 Celsius
degrees.
NaOH(s) -> Na (aq) + OH-(aq) AH = ?
3) Then determine the enthalpy change for the reaction:
H*(aq) + OH-(aq) --> H₂O(1) AH = ?
Transcribed Image Text:Problem: Solve for the following enthalpy changes 1) When 4.90 g NaOH(s) is reacted with 200.0 mL 0.612 M HCl(aq), the temperature increases 14.63 Celsius degrees. NaOH(s) + H*(aq) --> Na (aq) + H₂O(l) AH = ? 2) When 4.16 g NaOH(s) is dissolved in 200.0 mL of water, the temperature increases 5.37 Celsius degrees. NaOH(s) -> Na (aq) + OH-(aq) AH = ? 3) Then determine the enthalpy change for the reaction: H*(aq) + OH-(aq) --> H₂O(1) AH = ?
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