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Fiesta28 [93]
3 years ago
14

Is salt an element or compound

Physics
2 answers:
inessss [21]3 years ago
8 0
Element

It has to be

That the answer
xeze [42]3 years ago
5 0

Answer:

Compound

Explanation:

Salts for an example sodium chloride is made from two elements sodium and chlorine. A compound is something that is made from two or more chemical elements

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At a constant temperature, the volume of a gas doubles when the pressure is reduced to half of its original value. This is a sta
djyliett [7]

Answer: Boyle’s law

Explanation:

Boyle's Law: This law states that pressure is inversely proportional to the volume of the gas at constant temperature and number of moles.

P\propto \frac{1}{V}     (At constant temperature and number of moles)

As pressure is decreased to half, the volume is increased to doubled.

Charles' Law: This law states that volume is directly proportional to the temperature of the gas at constant pressure and number of moles.

V\propto T     (At constant pressure and number of moles)

Gay-Lussac's Law: This law states that pressure is directly proportional to the temperature of the gas at constant volume and number of moles.

P\propto T     (At constant volume and number of moles)

Combined gas Law: combining the three laws:

PV\propto T  

6 0
4 years ago
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Fossil fuels are burned, transferring their chemical potential energy to heat energy. How are nuclear power stations different?
labwork [276]

Answer:

fossil fuels are natural and limited, nuclear is man made and more toxic

Explanation:

6 0
3 years ago
Whoever answers correctly gets brainlist!
UNO [17]

Infared = used by police

gamma = short wavelength

radio = largest wavelength

visible = only ones we can see

5 0
3 years ago
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Jalen combines two substances in science class. Once combined, only one of the two substances
dusya [7]

Answer: b. The combination is a mixture because the substances can be separated

Explanation: Based on the facts presented above, the combination of both both substances can be referred to as a mixture due to the following:

A mixture is obtained when two or more substances or materials are combined without a chemical reaction. This is observed when Jalen combined substance 1 and 2 with only one of the substances becoming visible after the combination.

The other reason is that, a mixture can be separated back into its original constituent, this is evident when the combination was filtered with only substance 2 going through the filter and substance 1 remaining in the filter

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3 years ago
The instruments carried by a spacecraft are called the
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I believe the answer is C- payload
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