### How much energy is needed to change the temperature of 39 g of water from 10.0 °C to 95.0 °C?#### Enthalpy values for H₂O:- \( c_p \) (g) = 1.89 J/g°C- \( c_p \) (l) = 4.18 J/g°C- \( c_p \) (s) = 2.11 J/g°C- \( \Delta H_{fus} = 6.01 \, \text{kJ/mol} \)- \( \Delta H_{vap} = 40.7 \, \text{kJ/mol} \)This information can be used to calculate the energy required to raise the temperature of water, using the specific heat capacities of water in different states and the enthalpies of fusion and vaporization, if phase changes are involved.

Since water remains in liquid form from 10°C to 95°C . Heat required, Q = mcp(l) ∆T ,where m is the…

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How much energy is needed to change the temperature of 39 g of water from 10.0 °C to 95.0 °C?

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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### How much energy is needed to change the temperature of 39 g of water from 10.0 °C to 95.0 °C?

#### Enthalpy values for H₂O:

- \( c_p \) (g) = 1.89 J/g°C
- \( c_p \) (l) = 4.18 J/g°C
- \( c_p \) (s) = 2.11 J/g°C

- \( \Delta H_{fus} = 6.01 \, \text{kJ/mol} \)

- \( \Delta H_{vap} = 40.7 \, \text{kJ/mol} \)

This information can be used to calculate the energy required to raise the temperature of water, using the specific heat capacities of water in different states and the enthalpies of fusion and vaporization, if phase changes are involved.

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