8 sulmpie UI SUINU SOdlum hydroxide dissolves emperature rises from 21.6 °C to 37.8 °C. Assume that the s s that of water. NaOH(s) → Na*(aq) + OH (a a. Is the dissolution of NaOH in water endothermic or b. Calculate the amount of heat, in Joules, transferred c с. Calculate the AH for the dissolution of NAOH in wat

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When a 6.50 g sample of solid sodium hydroxide dissolves in 100.0g of water in a calorimeter, the
temperature rises from 21.6 °C to 37.8 °C. Assume that the specific heat of the solution is the same
as that of water.
NaOH(s) –
Na*(aq) + OH (aq)
a. Is the dissolution of NAOH in water endothermic or exothermic?
b. Calculate the amount of heat, in Joules, transferred during the dissolution process.
c. Calculate the AH for the dissolution of NaOH in water in kJ/mol.
.gome.b onio
Transcribed Image Text:When a 6.50 g sample of solid sodium hydroxide dissolves in 100.0g of water in a calorimeter, the temperature rises from 21.6 °C to 37.8 °C. Assume that the specific heat of the solution is the same as that of water. NaOH(s) – Na*(aq) + OH (aq) a. Is the dissolution of NAOH in water endothermic or exothermic? b. Calculate the amount of heat, in Joules, transferred during the dissolution process. c. Calculate the AH for the dissolution of NaOH in water in kJ/mol. .gome.b onio
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