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andrey2020 [161]
2 years ago
6

Physical vs. Chemical

Chemistry
2 answers:
BlackZzzverrR [31]2 years ago
4 0

Answer:

False

Explanation:

I think it's a chemical change when the composition of a substance changes and forms a new substance

RUDIKE [14]2 years ago
3 0

Answer:

The answer is false.

If this answer was helpful please consider giving brainliest!

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start out as one kind of rock, but large amounts of pressure and heat change them into a different kind.
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Calculate the time it takes for an object moving with a speed of 13m/s to travel 50 m
kykrilka [37]

Answer:

<h3>The answer is 3.85 s</h3>

Explanation:

The time taken can be found by using the formula

t =  \frac{d}{v}  \\

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t =  \frac{50}{13}  \\  = 3.846153...

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<h3>3.85 s</h3>

Hope this helps you

7 0
3 years ago
If 335 g water at 35.5C loses 5750 J of heat, what is the final temperature of the water?
White raven [17]

Answer:

The final temperature is  39.58 degree Celsius

Explanation:

As we know

Q = m * c * change in temperature

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5750 = 335 * 4.2 * (X - 35.5)

X = 39.58 degree Celsius

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3 years ago
What type of effects do prostaglandins produce on smooth muscles? List two examples.
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