**Educational Content for Heat of Fusion and Vaporization**---**Title:** Using Heat of Fusion or Vaporization to Find the Heat Needed to Melt or Boil a Substance**Objective:** Learn how to calculate the heat required to change the state of a substance using the heat of fusion or vaporization.**Problem:** Calculate the amount of heat needed to melt 119 g of solid methanol (CH₃OH) and bring it to a temperature of -84.5°C. Round your answer to 3 significant digits. Ensure your answer contains a unit symbol.**Instructions:**1. **Input Box:** Enter your calculated answer here.2. **Options for Calculations:** Use the interactive calculator buttons to prepare your answer before checking it.3. **Check Button:** Once you're ready, click "Check" to see if your answer is correct.4. **Explanation:** Click this for detailed steps and guidance if needed.**Additional Tools:**- **Graphics and Charts:** Currently, there are no graphs or diagrams in this lesson. But typically, such tools can assist in visualizing the heat transfer processes or the phase changes of substances.**Copyright Information:** © 2023 McGraw Hill LLC. All Rights Reserved.**Utility Features:**- **Search Bar:** Use the search function for additional help or related topics.- **Weather and Time Display:** For a seamless learning experience, the interface shows local weather and time (Cloudy, 57°F, 10:30 AM, 11/13/2023).**Note:** This exercise is designed for educational purposes to enhance understanding of thermodynamics involving phase changes.

Answered: Image /qna-images/answer/ddfb79d8-c261-4e4e-bc52-47aefdfd0db5.jpg

Calculate the amount of heat needed to melt 119. g of solid methanol (CH₂OH) and bring it to a temperature of -84.5 °C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol. d

Calculate the amount of heat needed to melt 119. g of solid methanol (CH₂OH) and bring it to a temperature of -84.5 °C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol. d

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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Question

**Educational Content for Heat of Fusion and Vaporization**

---

**Title:** Using Heat of Fusion or Vaporization to Find the Heat Needed to Melt or Boil a Substance

**Objective:** Learn how to calculate the heat required to change the state of a substance using the heat of fusion or vaporization.

**Problem:** Calculate the amount of heat needed to melt 119 g of solid methanol (CH₃OH) and bring it to a temperature of -84.5°C. Round your answer to 3 significant digits. Ensure your answer contains a unit symbol.

**Instructions:**

1. **Input Box:** Enter your calculated answer here.

2. **Options for Calculations:** Use the interactive calculator buttons to prepare your answer before checking it.

3. **Check Button:** Once you're ready, click "Check" to see if your answer is correct.

4. **Explanation:** Click this for detailed steps and guidance if needed.

**Additional Tools:**

- **Graphics and Charts:** Currently, there are no graphs or diagrams in this lesson. But typically, such tools can assist in visualizing the heat transfer processes or the phase changes of substances.

**Copyright Information:** © 2023 McGraw Hill LLC. All Rights Reserved.

**Utility Features:**

- **Search Bar:** Use the search function for additional help or related topics.

- **Weather and Time Display:** For a seamless learning experience, the interface shows local weather and time (Cloudy, 57°F, 10:30 AM, 11/13/2023).

**Note:** This exercise is designed for educational purposes to enhance understanding of thermodynamics involving phase changes.

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