### Description

Watch the following video to see how this experiment is performed.

**A. Heat Capacity of Calorimeter**

Fill in the following on your report sheet:

1. Temp. of calorimeter and water before mixing: **22.0 °C**

2. Temp. of warm water: **39.0 °C**

3-7. *(determine on your own, using the data below)*

The temperature data for each 15-second interval is given in the table below. Use this to fill out the **Temperature versus Time Data** on page 145 for Part A. Heat Capacity of Calorimeter

Time (s) | Temp (°C) |

0 | 22.0 |

15 | 30.3 |

30 | 30.3 |

45 | 30.3 |

60 | 30.3 |

75 | 30.2 |

90 | 30.2 |

105 | 30.2 |

120 | 30.2 |

135 | 30.1 |

150 | 30.1 |

165 | 30.0 |

180 | 30.0 |

Use this information to create a graph on page 146. Determine the maximum temperature of the mixture and use that value to calculate the rest of Part A (3-7.). An example calculation is given in the Discussion.

**B. Heat of Neutralization of HCl-NaOH**

Fill in the following on your report sheet:

1. Temp. of calorimeter and NaOH: **22.2 °C**

Temp. of HCl: **22.2 °C**

2-9. *(determine on your own, using the data below)*

The temperature data for each 15-second interval is given in the table below. Use this to fill out the **Temperature versus Time Data** on page 145 for Part B. Heat of Neutralization of NaOH-HCl

Time (s) | Temp (°C) |

0 | 22.2 |

15 | 29.2 |

30 | 29.1 |

45 | 29.0 |

60 | 28.9 |

75 | 28.8 |

90 | 28.7 |

105 | 28.7 |

120 | 28.7 |

135 | 28.7 |

150 | 28.7 |

165 | 28.7 |

180 | 28.6 |

Use this information to create a graph on page 147. Determine the maximum temperature of the mixture and use that value to calculate the rest of Part B (2-9.). An example calculation is given in the Discussion.

**C. Heat of Neutralization of CH _{3}COOH-NaOH**

Fill in the following on your report sheet:

1. Temperature of calorimeter and NaOH: **22.1°C**

2-8. *(determine on your own, using the data below)*

The temperature data for each 15-second interval is given in the table below. Use this to fill out the **Temperature versus Time Data** on page 145 for Part C. Heat of Neutralization of NaOH-CH_{3}COOH

Time (s) | Temp (°C) |

0 | 22.1 |

15 | 28.1 |

30 | 28.0 |

45 | 28.0 |

60 | 27.9 |

75 | 27.9 |

90 | 27.8 |

105 | 27.8 |

120 | 27.8 |

135 | 27.8 |

150 | 27.8 |

165 | 27.7 |

180 | 27.7 |

Use this information to create a graph on page 148. Determine the maximum temperature of the mixture and use that value to calculate the rest of Part C (2-8.). An example calculation is given in the Discussion.1 attachmentsSlide 1 of 1

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