Dissolving 6.00 g CaCl 2 in 300 mL of water causes the temperature of the solution to
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Dissolving 6.00 g CaCl2 in 300 mL of water causes the temperature of the solution to increase by 3.43 °C. Assume that the specific heat of the solution is 4.18 J/g · K and its mass is 306 g.
(a) Calculate the enthalpy change when the CaCl2 dissolves. Is the process exothermic or endothermic?
(b) Determine ΔH on a molar basis for
Transcribed Image Text:
CaCl₂(s) H₂O Ca²+ (aq) + 2C1 (aq)
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a To calculate the enthalpy change when the CaCl2 dissolves we can use the formula q m c T where q i...View the full answer
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Related Book For
Chemistry Principles And Practice
ISBN: 9780534420123
3rd Edition
Authors: Daniel L. Reger, Scott R. Goode, David W. Ball
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