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gladu [14]
3 years ago
10

Match the following ERA’s Question 4

Physics
1 answer:
inna [77]3 years ago
8 0
1. Cenozoic ERA
2. Mesozoic ERA
3. Paleozoic ERA
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Phases of the moon. Help!???????
Veseljchak [2.6K]

Answer:

The Lunar Month.

New Moon.

Waxing Crescent Moon.

First Quarter Moon.

Waxing Gibbous Moon.

Full Moon.

Waning Gibbous Moon.

Third Quarter Moon.

Explanation:

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Can someone Plzzz help meee.
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The Earth, the Sun, and the rest of the solar system are almost unimaginably old when viewed on a human time scale. While modern
Zielflug [23.3K]
<span>While modern humans first evolved approximately 200,000 years ago,
the age of the Earth, the Sun, and the rest of the solar system is believed
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3 years ago
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A sample of an ideal gas initially occupies a volume of 6 L. The pressure of the sample is then doubled while it is cooled to on
Troyanec [42]

Answer:

V₂= 1 L

Explanation:

Given that

Volume occupies V₁= 6 L

Initial pressure = P₁

Initial temperature = T₁

The final pressure =P₂ = 2 P₁

Final volume =V₂

Final temperature = T₁/3

As we know that equation for ideal gas

P V = m R T

P=pressure,  V=volume,   T=temperature

m=mass  ,R=gas constant

Now from mass conservation

m=\dfrac{P_1V_1}{RT_1}=\dfrac{P_2V_2}{RT_2}

\dfrac{P_1V_1}{RT_1}=\dfrac{P_2V_2}{RT_2}

\dfrac{P_1\times 6}{RT_1}=3\times \dfrac{2P_1V_2}{RT_1}

6 = 3 x 2 V₂

V₂= 1 L

So the final volume will be 1 L

4 0
3 years ago
What happens when you break a magnet in half
Vlad1618 [11]
They'll still be magnets, but they'll never be able to touch each other where they were cut. 

I hope this helps you! :-)
6 0
3 years ago
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