3 years ago

The type of change that occurs when a solid becomes a liquid is_______.

1 answer:

6 0

That would be melting. From a liquid to a gas is evaporation, and from a solid directly to a gas is sublimation. From a gas to a liquid is condensation, and from a liquid to a solid is freezing.

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serious [3.7K]

Answer:

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Explanation:

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3 years ago

Some metal conductor has a resistance of 12 ohms. When plugged into a circuit, the amount of heat 144J is released in 12s. What

worty [1.4K]

Answer:

12V

Explanation:

Given parameters:

Resistance = 12ohms

Heat released = 144J

Time taken = 12s

Unknown:

Voltage at the ends of the conductors = ?

Solution:

To solve this problem, we must first determine the power expended by the circuit.

Power is the rate at which work is done;

P = $\frac{work done }{time}$

= $\frac{144}{12}$

= 12W

Electrical power is given as;

P = IV = $\frac{V^{2} }{R}$

Since V is the unknown, we solve for it;

12 = $\frac{V^{2} }{12}$

V = 12V

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4 years ago

Lily replicates an experiment that found that the number of calories in a particular food is 50 kcal. She obtained data from fiv

goldenfox [79]

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3 years ago

The gravitational force between two objects in space is 800 million

atroni [7]

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3 years ago

How much energy is contained in the mass of a 60-kilogram person?

Ratling [72]

I could tell you the energy if you can tell me the acceleration and height above earth's surface.

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3 years ago

Read 2 more answers