Question

How much energy is required to raise the temperature of 200 g of water from 20°C to 30°C? show the solution​

Answer 1

Explanation:

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Condensation: Dew, Fog, and Clouds. CHAPTER7. Condensation: Dew, Fog, and Clouds. Dew: the water droplets formed by condensation of water vapor on a relatively cold surface of an object. It forms when the temperature of an object drops below the dew point temperature.

Answer 2

Explanation:

The calculation is

E=M.cθ

Where

E

is the energy in J,

M

is the mass of substance in g,

c

is the specific heat (of water in this case) in

J

g.K , and θ

is the temperature change (which can be in celcius or kelvin - if you're only looking at the delta between the two temperatures it makes no odds which unit you choose).

So it works out like this

E =M.c.θ E=

200×4.2×30

So E= 25,200 J (or 25.2 kJ).

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