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Science
Chemistry
States of Matter
Water can be found as ice, liquid water, and water vapor. Which of these types of
water has the least density?
1 answer
Water vapor.
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Reggie puts a Baker of ice and water on a hot plate and the ice slowly begins to melt as shown in diagram below after a few
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The ice and water vapor formed from boiling water are both different states of matter, namely solid
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Which provides the greatest increase in entropy for a mole of substance?
a)Water melts at 0°C. b)Liquid water is heated from
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Which of the following describes condensation?
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Steam from a teapot turning into liquid water.
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which change is chemical? (1 point)
Water freezing: Liquid water becoming solid water Water undergoing electrolysis: Liquid water
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Water undergoing electrolysis: Liquid water becoming oxygen and hydrogen molecules
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Identify which one of the following changes is exothermic.
Select one: a. Ice melts to give liquid water b. Liquid water
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c. Liquid water freezes to give ice
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Identify which of the following changes is exothermic.
a) liquid water boils to steam b) liquid water freezes to give ice c) ice
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b.The liquid water freezes because heat is given off from it(exothermic) to form ice unlike other
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Which change is chemical?(1 point)
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water undergoing electrolysis: liquid water becoming oxygen and hydrogen molecules
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during this process, energy is absorbed by the water molecules to break the bonds between them and
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Reggie puts a beaker of ice and water on a hot plate, and the ice slowly begins to melt as shown in diagram below. After a few
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b The ice has a lower boiling point.
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Reggie puts a beaker of ice and water on a hot plate, and the ice slowly begins to melt as shown in diagram below. After a few
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a The ice particles have less energy.
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