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Unit 26 - Industrial Chemical Reactions - P1 M1 D1 - Extended Diploma £5.49
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Unit 26 - Industrial Chemical Reactions - P1 M1 D1 - Extended Diploma

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This piece of work is to help with the P1, M1 and D1 Unit 26 Applied Science 2010 - My teacher has signed this assignment off which means that it does meet the grading criteria. Hope it helps, all the best. Please take note that this document cannot be copied and I would appreciate if you respect ...

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  • April 25, 2018
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Unit 26 - P1, M1, D1 - Applied Science


P1 – Compare measured values of enthalpy changes with standard enthalpy
changes:

M1 – Calculate enthalpy changes for reactons using standard enthalpy change
values from tables:

D1 – Evaluate the sources of error in practcal measurements:
Enthalpy changes of Neutralisaton:

Aim: To determine and calculate the enthalpy changes of neutralisaton from Hydrochloric acid
and Sodium Hydroxide.

Equipment:

- Measuring cylinder

- Hydrochloric acid (1 MOL)

- Sodium Hydroxide (1 MOL)

- Thermometer

- Spatula

- beaker

- stop clock

Method:

1. use the measuring cylinder to add 15ml of Sodium Hydroxide into a beaker.

2. Use a diferent measuring cylinder to measure out another 15ml of Hydrochloric acid to
avoid mixing of the two chemicals. Place it into a separate beaker.

3. Use a thermometer to measure the startng temperature of the Sodium Hydroxide.

4. Add the two chemicals together and start the stop clock.

5. Make sure to record the temperature in the intervals of 20 seconds for the period of 5
minutes. Use the results obtained to calculate the enthalpy change of neutralisaton.

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