**Part E**When a 3.28 g sample of solid sodium hydroxide was dissolved in a calorimeter in 100.0 g of water, the temperature rose from 23.9 °C to 32.0 °C. Calculate ΔH (in kJ/mol NaOH) for the following solution process:\[ \text{NaOH}(s) \rightarrow \text{Na}^+(aq) + \text{OH}^-(aq) \]Assume that it’s a perfect calorimeter and that the specific heat of the solution is the same as that of pure water.\[ \Delta H = \text{________} \, \text{kJ/mol} \](Note: There is an input box provided for entering the ΔH value with buttons for equation formatting and other input features.) **Part D**If the specific heat of methanol is 2.51 J/K·g, how many joules are necessary to raise the temperature of 50 g of methanol from 20 °C to 61 °C?**Explanation:**To find the amount of energy (in joules) required, you can use the formula:\[ Q = mc\Delta T \]Where:- $ Q $ is the heat energy (in joules)- $ m $ is the mass (in grams)- $ c $ is the specific heat capacity (in J/K·g)- $ \Delta T $ is the change in temperature (in °C or K)Given:- $ m = 50 $ g- $ c = 2.51 $ J/K·g- Initial temperature = 20 °C- Final temperature = 61 °CFirst, calculate $ \Delta T $:\[ \Delta T = 61 °C - 20 °C = 41 °C \]Now, substitute the values into the formula:\[ Q = (50 \text{ g}) \times (2.51 \text{ J/K·g}) \times (41 °C) \]By calculating, you will find the energy required in joules.

Specific heat of water is 4.18 J/g.°C Mass of water is 100.0 g and mass of NaOH is 3.28 g We have to calculate the ∆H in kJ/mol(NaOH)

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Chemistry

Part E When a 3.28 g sample of solid sodium hydroxide was dissolved in a calorimeter in 100.0 g of water, the temperature rose from 23.9 °C to 32.0 °C. Calculate AH (in kJ/mol NaOH) for the following solution process: NaOH(s) → Na+ (aq) + OH (aq) Assume that it's a perfect calorimeter and that the specific heat of the solution is the same as that of pure water. ΑΣφ ?

Part E When a 3.28 g sample of solid sodium hydroxide was dissolved in a calorimeter in 100.0 g of water, the temperature rose from 23.9 °C to 32.0 °C. Calculate AH (in kJ/mol NaOH) for the following solution process: NaOH(s) → Na+ (aq) + OH (aq) Assume that it's a perfect calorimeter and that the specific heat of the solution is the same as that of pure water. ΑΣφ ?

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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