Saturday

October 25, 2014

October 25, 2014

Posted by **Completely Lost** on Sunday, December 28, 2008 at 11:57pm.

- Chemistry -
**GK**, Monday, December 29, 2008 at 12:16ama) Look up the molar heat (enthalpy) of fusion of water.

b) Convert 25 grams of H2O to moles by dividing by the formula mass of H2O.

c) Multiply (a) times (b)

- Chemistry -
**drwls**, Monday, December 29, 2008 at 12:47amGK's method will work but let me save you a step.

The latent heat of fusion of water (the heat released when water turns to ice at 0 C) is 79.8 calories per gram. Many textbooks round it off to 80 cal/g. Multiply 79.8 by 25.0 grams for the answer.

**Answer this Question**

**Related Questions**

Chemistry - Calculate the joules of energy involved when 11 grams of water at 10...

chemistry - if 27 grams of ice at 0 degrees celsius is added to 123 grams of ...

chemistry - A 10.0 grams piece of gold 90.0 Celsius was stirred into 15.0ml of ...

chemistry - calculate the heat released when 166g of water at 23.0 degrees ...

chemistry - Calculate the amount of heat released when 100 kg of water freezes ...

chemistry - You drop a hot copper penny (500 degrees celsius) that has a mass of...

Chemistry - how many joules of heat are given off when 5.0 grams of water cool ...

Chemistry - Find the entropy change of the universe when 2 moles of water ...

chemistry - using the values for heat of fusion, specific heat of water, or heat...

Physics 20 - 1. How much heat energy is required to change 500 grams of water at...