How much energy must be removed from 200 g of water beginning at 25 oC to convert it to ice cubes at – 10 oC? (note: three steps 1. Cool the water 2. Freeze the water, 3 cool the ice). If this process happens in a home refrigerator, where does the heat removed from the water end up.
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
3. How much energy must be removed from 200 g of water beginning at 25 oC to convert it to ice cubes at – 10 oC? (note: three steps 1. Cool the water 2. Freeze the water, 3 cool the ice).
If this process happens in a home refrigerator, where does the heat removed from the water end up.
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