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densk [106]
3 years ago
9

If Dave drives a car for 85 km/hr for 3 hours how for does he travel?

Physics
2 answers:
WITCHER [35]3 years ago
5 0
85+85+85=255[3X85=255]


sergejj [24]3 years ago
3 0
You can do 85x3 make sure in your answer you put km/hr
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Answer:

20 J/g

Explanation:

In this question, we are required to determine the latent heat of vaporization

  • To answer the question, we need to ask ourselves the questions:

What is latent heat of vaporization?

  • It is the amount of heat required to change a substance from its liquid state to gaseous state without change in temperature.
  • It is the amount of heat absorbed by a substance as it boils.

How do we calculate the latent heat of vaporization?

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In this case;

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Latent heat of vaporization = Quantity of Heat ÷ Mass

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Thus, the latent heat of vaporization is 20 J/g

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