3 years ago

Which of the following will have the lowest boiling point?

Chemistry

2 answers:

erastovalidia [21]3 years ago

7 0

Answer: I think its C2H24

Explanation:

mash [69]3 years ago

3 0

Answer: C

Explanation:

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Ne4ueva [31]

Answer:

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Explanation:

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Which metal was more reactive in water? How do you know?

Rom4ik [11]

Answer:

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Explanation:

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2 years ago

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lina2011 [118]

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3 years ago

A ball of mass 0.2 kg is dropped from a height of 10 m. How much mechanical energy does it have right before it hits the ground?

lana [24]

Answer:

19.6 J

Step-by-step explanation:

Before the ball is dropped, it has a <em>potential energy </em>

PE = mgh

PE = 0.2 × 10 × 9.8

PE = 19.6 J

Just before the ball hits the ground, the potential energy has been converted into kinetic (<em>mechanical</em>) energy.

KE = 19.6 J

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