3 years ago

A lunar eclipse occurs when the Moon casts a shadow on the Earth.

Chemistry

1 answer:

Vedmedyk [2.9K]3 years ago

7 0

Answer:

No....see below

Explanation:

Well not quite.... that would be a solar eclipse....when the Earth shadows the moon from the Sun is a lunar eclipse

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If 135.7 J of heat are added to 54.0 g of water initially at 25.0 °C . What is the final temperature of the water?

german

Answer:

The final temperature of the water is 25.6 °C.

Explanation:

We have,

Heat added to water is 135.7 J

Mass, m = 54 g

Initial temperature was 25 °C

It is required to find the final temperature of the water. The heat added when temperature is increased is given in terms of specific heat capacity as :

$Q=mc(T_f-T_i)$

$T_f$ is final temperature

c is specific heat capacity, for water, $c=4.184\ J/g^{\circ} C$

So,

$T_f=\dfrac{Q}{mc}+T_i\\\\T_f=\dfrac{135.7}{54\times 4.184}+25\\\\T_f=25.6^{\circ} C$

So, the final temperature of the water is 25.6 °C.

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