3 years ago

What causes a lunar eclipse? Why doesn't a lunar eclipse occur during each full moon?

1 answer:

3 0

A lunar eclipse occurs when the Earth moves between the Moon and the Sun. a lunar eclipse does not occur during each full moon because the earth does not cross between the sun and the moon, it does not always happen. Also, a lunar eclipse doe not have to happen on a full moon, they are two different phenomenas .

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Answer:

$W=5743.1077\ J$

Explanation:

The expression for the work done is:

$W=RT \ln \left( \dfrac{P_1}{P_2} \right)$

Where,

W is the amount of work done by the gas

R is Gas constant having value = 8.314 J / K mol

T is the temperature

P₁ is the initial pressure

P₂ is the final pressure

Given that:

T = 300 K

P₁ = 10 bar

P₂ = 1 bar

Applying in the equation as:

$W=8.314\times 300 \ln \left( \dfrac{10}{1} \right)$

$W=300\times \:8.314\ln \left(10\right)$

$W=2.30258\times \:2494.2$

$W=5743.1077\ J$

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Answer:3,4,1,2

Explanation:

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Finding the pH for [H+] = 9.4 * 10-3 M?

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