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Which procedure can be used to determine the melting point of ice?

A. Add ice to liquid water one at a time and measure the temperature of the water once added ice cubes no longer melt.
B. Warm a beaker of ice on a hot plate until only liquid remains and measure the temperature of the liquid.
C. Place a beaker of liquid water in the freezer and measure the temperature after the water has become solid.
D. Mix ice with water and immediately measure the temperature.

1 answer

The best procedure to determine the melting point of ice is:

D. Mix ice with water and immediately measure the temperature.

This method is effective because when ice is at its melting point (0 degrees Celsius under standard atmospheric pressure), it will coexist with liquid water until all the ice has melted, assuming a constant pressure. Measuring the temperature during this process will allow you to accurately determine the melting point of ice.