Moles, mole ratio


REACTIONS IN AQUEOUS SOLUTIONS


Esterification: formation of esters


GRADE 10 QUESTIONS


Formal experiment 1: Heating and cooling curve of water


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See on Scoop.itPHYSICAL SCIENCES BREAK 1.0

Aim

To investigate the heating and cooling curve of water.

Apparatus

beakers

ice

Bunsen burner

thermometer

water

Chipa Thomas Maimela‘s insight:

Method

Place some ice in a beaker.

Measure the temperature of the ice and record it.

After 1 minute measure the temperature again and record it. Repeat every minute, until at least 3 minutes after the ice has melted.

Plot a graph of time versus temperature for the heating of ice.

Heat some water in a beaker until it boils. Measure and record the temperature of the water.

Remove the water from the heat and measure the temperature every 1 minute, until the beaker is cool to touch.

Warning:

Be careful when handling the beaker of hot water. Do not touch the beaker with your hands, you will burn yourself.

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