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2 years ago

9

What is the main difference between the gas water vapor and the liquid water?

2 answers:

andrezito [222]2 years ago

8 0

Answer:

The space between molecules of water vapors is much greater than liquid water.

Explanation:

When water is in liquid form and we provide heat to this liquid water then its temperature increases. When this temperature becomes 100 degree centigrade it converts into vapor form. In vapor water molecules are free to move in the random direction but molecules of water flow towards area which is at lower level. Moreover, water vapors have more kinetic energy.

Vinil7 [7]2 years ago

6 0

Water vapour has more kinetic energy.

Hope this helps :)

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The average velocity of the car for the whole journey is 69.57 km/h.

The given parameters:

<em>Length of the road, L = 320 km</em>
<em>Distance covered = 240 km at 75 km/h</em>
<em>time spent refueling, t₂ = 0.6 hr</em>
<em>Final velocity, = 100 km/hr</em>

The time spent by the before refueling is calculated as follows;

$t = \frac{d}{v} \\\\t_1 = \frac{240}{75} \\\\t_1 = 3.2 \ hours$

The time spent by the car for the remaining journey;

$t_3 = \frac{320 - 240}{100} \\\\t_3 = 0.8 \ hr$

The total time of the journey is calculated as follows;

$t = t_1 + t_2 + t_3\\\\t = 3.2 \ hr \ + \ 0.6 \ hr \ + \ 0.8 \ hr\\\\t = 4.6 \ hours$

The average velocity of the car for the whole journey is calculated as follows;

$v = \frac{total \ distance }{total \ time} \\\\v = \frac{320}{4.6} \\\\v = 69.57 \ km/h$

Learn more about average velocity here: brainly.com/question/6504879

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