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Question
Select the correct answer from each drop-down menu,
Complete this paragraph,...
Chemistry, 12.10.2020 20:01, ryleerod07
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Question
Select the correct answer from each drop-down menu,
Complete this paragraph, which describes an ice cube changing from a solid to a liquid to a gas.
AB
Water can exist in three states of matter. Imagine examining the changes of state from solid to liquid to gas by adding
thermal energy to ice. What would change or not change?
As water changes state, the mass of the sample does not change the size of the water molecules
does not change However, the spacing of the water molecules does change during a change in state. The
evidence that supports this conclusion is that the volume of the sample changes.
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Answers: 1
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Achemistry student needs to standardize a fresh solution of sodium hydroxide. he carefully weighs out of oxalic acid , a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in of distilled water. the student then titrates the oxalic acid solution with his sodium hydroxide solution. when the titration reaches the equivalence point, the student finds he has used of sodium hydroxide solution. calculate the molarity of the student's sodium hydroxide solution. be sure your answer has the correct number of significant digits.
Answers: 1
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