**Dissolution Enthalpy Determination Using a Coffee Cup Calorimeter**When a solid dissolves in water, the solution may become hotter or colder. This change in temperature can be used to determine the dissolution enthalpy (dissolving) of the substance. A coffee cup calorimeter is a commonly used tool for this measurement.**Experiment Details:**- In a laboratory experiment, a general chemistry student dissolves 14.44 g of Cs₂SO₄ (solid) in 119.20 g of water.- The temperature of the solution drops from 24.80 °C to 23.20 °C.- The calorimeter's heat capacity (also known as the calorimeter constant) is determined in a separate experiment to be 1.85 J/°C.**Task:**Based on the student's observations, calculate the dissolution enthalpy of Cs₂SO₄ in kJ/mol. Assume that the specific heat capacity of the solution is equal to the specific heat capacity of water.\[ \Delta_{\text{dis}}H = \, \boxed{\phantom{00}} \, \text{kJ/mol} \] When a solid dissolves in water, the solution may become hotter or colder. The *dissolution enthalpy* (dissolving) can be determined using a coffee cup calorimeter.In the laboratory, a general chemistry student finds that when 11.88 g of CsBr(s) is dissolved in 115.20 g of water, the temperature of the solution drops from 24.40 to 20.94 °C.The heat capacity of the calorimeter (sometimes referred to as the calorimeter constant) was determined in a separate experiment to be 1.74 J/°C.Based on the student's observation, calculate the dissolution enthalpy of CsBr(s) in kJ/mol.Assume the specific heat capacity of the solution is equal to the specific heat capacity of water.Δ_disH = _______ kJ/mol(Note: This section offers space for calculations related to the dissolution enthalpy.)

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When a solid dissolves in water, the solution may become hotter or colder. The dissolution enthalpy (dissolving) can be determined using a coffee cup calorimeter. In the laboratory a general chemistry student finds that when 14.44 g Cs2SO4(s) is dissolved in 119.20 g water, the temperature of the solution drops from 24.80 to 23.20 °C. The heat capacity of the calorimeter (sometimes referred to as the calorimeter constant) was determined in a separate experiment to be 1.85 J/ºC. Based on the student's observation, calculate the dissolution enthalpy of Cs,SO4(s) in kJ/mol. Assume the specific heat capacity of the solution is equal to the specific heat capacity of water. AdisH = kJ/mol

When a solid dissolves in water, the solution may become hotter or colder. The dissolution enthalpy (dissolving) can be determined using a coffee cup calorimeter. In the laboratory a general chemistry student finds that when 14.44 g Cs2SO4(s) is dissolved in 119.20 g water, the temperature of the solution drops from 24.80 to 23.20 °C. The heat capacity of the calorimeter (sometimes referred to as the calorimeter constant) was determined in a separate experiment to be 1.85 J/ºC. Based on the student's observation, calculate the dissolution enthalpy of Cs,SO4(s) in kJ/mol. Assume the specific heat capacity of the solution is equal to the specific heat capacity of water. AdisH = kJ/mol

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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