Chemistry Science Charless Law Practice Quiz

Graded AssignmentScience | Unit: Semester Review and Test | Lesson: Semester Test
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Date: Click or tap here to enter text.
Graded Assignment
Semester Test, Part 2
Answer the questions below. When you have finished, submit this assignment to your teacher by the due date for
full credit.
(5 points)
1. What is Charles’s law?
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State the definition of the law in words.
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What are the assumptions of Charles’s law?
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Write mathematical equations that represent the law.
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What can you do with Charles’s law?
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Using a gas-filled balloon as an example, describe what happens to the gas molecules that behave
according to Charles’s law.
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text.
Answer:
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(5 points)
2. Draw a structural formula for 3,4-hexene (C6H12), which has a double bond between the
number 3 and 4 carbons in the chain. What class of compound is it, and what feature
distinguishes it as that class?
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text.
Answer:
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(5 points)
3. Besides the major types of radioactive decay, there are two others: positron emission and
electron capture.
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Compare and contrast positrons with electrons.
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Explain how positron emission works and how it causes transmutations.
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Explain how electron capture works and how it causes transmutations.
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Compare the transmutations caused by positron emissions and electron capture.
Score
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Answer:
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Graded Assignment
Science | Unit: Semester Review and Test | Lesson: Semester Test
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(5 points)
Score
4. A calorimeter contains 500 g of water at 25°C. You place a hand warmer containing 200 g of
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liquid sodium acetate inside the calorimeter. When the sodium acetate finishes crystallizing,
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the temperature of the water inside the calorimeter is 39.4°C. The specific heat of water is
4.18 J/g-°C. What is the enthalpy of fusion (Hf) of the sodium acetate? (Show your work.) Where necessary,
use q = mHf.
Answer:
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Your Score
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