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cestrela7 [59]
3 years ago
6

When a substance melts the kinetic energy

Chemistry
2 answers:
aliina [53]3 years ago
8 0

Answer:

C stays The same.

Is the answer.

ExtremeBDS [4]3 years ago
4 0
Answer = C

the overall kinetic energy level between the two substances actually remains the same
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Which is a heterogeneous mixture?
Valentin [98]

Answer:

I think no C or D

if wrong correct me plsssssss

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Explanation:

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5 0
3 years ago
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What determines the velocity of an object? Its acceleration at a given point in time Its weight in a given location Its displace
tensa zangetsu [6.8K]

We can confirm that the velocity of an object is determined by the displacement of the object over a period of time.

<h3>How do we know that displacement and time determine velocity?</h3>

We know this by analyzing the scientific formulas created to measure the velocity of an object. The formula for this is \frac{d}{t} , meaning displacement over a period of time. Since option 3 described this equation perfectly, we can say that this is the correct option.

Therefore, we can confirm that the velocity of an object is determined by the displacement of the object over a period of time.

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7 0
2 years ago
Which carbon skeleton represents a ketone?
julsineya [31]

Yo sup??

The correct answer is option C

the rest are aldehyde, carboxylic acid and ether respectively.

Hope this helps.

5 0
3 years ago
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Wet battery capacity is related to the quality of the inside of the metal ???please!
igomit [66]
No
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7 0
3 years ago
What is the expected value for the heat of sublimation of acetic acid if its heat of fusion is 10.8 kJ/mol and its heat of vapor
Dennis_Churaev [7]

Answer:

35.1 kJ/mol is the expected value for the heat of sublimation of acetic acid.

Explanation:

CH_3COOH(l)\rightarrow CH_3COOH(g)..[1]

Heat of vaporization of acetic acid = H^o_{vap}=24.3 kJ/mol

CH_3COOH(s)\rightarrow CH_3COOH(l)..[2]

Heat of fusion of acetic acid = H^o_{fus}=10.8 kJ/mol

Heat of sublimation of acetic acid = H^o_{sub}=?

CH_3COOH(s)\rightarrow CH_3COOH(g)..[3]

[1] + [2] = [3] (Hess's law)

H^o_{sub}=H^o_{vap}+H^o_{fus}

=24.3 kJ/mol+10.8 kJ/mol=35.1 kJ/mol

35.1 kJ/mol is the expected value for the heat of sublimation of acetic acid.

5 0
3 years ago
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