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AURORKA [14]
3 years ago
7

Nuclear reactions in a reactor produce a lot of thermal energy. That energy then flows and warms up water, which boils and produ

ces steam. The steam then turns turbines that generate electricity.
Which statement below can be made about the production of electricity in a nuclear reactor?

Heat flows in the form of electricity.
Heat flows from the reactor to the water.
The water produces heat.
The steam produces heat.
Chemistry
2 answers:
olasank [31]3 years ago
7 0

Answer:it's B

Explanation: I just took the test on edge

Sveta_85 [38]3 years ago
3 0

Answer:

Heat flows from the reactor to the water.

Explanation:

Just took the test :)

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Answer:

Law of conservation of mass

Ernest Rutherford

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Why do we crack molecules?
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A student is determining the density of an unknown metal with a mass of 32.56 g. The student partially fills a graduated cylinde
xenn [34]

Answer:

The metal is Tin (Sn)

Explanation:

The following data were obtained from the question:

Mass of metal = 32.56 g

Volume of water = 14.78 mL

Volume of water + metal = 20.44 mL

Next, we shall determine the volume of the metal. This is illustrated below:

Volume of water = 14.78 mL

Volume of water + metal = 20.44 mL

Volume of metal =..?

Volume of metal = (Volume of water + metal) – (Volume of water )

Volume of metal = 20.44 – 14.78

Volume of metal = 5.66mL

Next, we shall determine the density of the metal.

Density of a substance is defined as the mass of the substance per unit volume of the substance. Mathematically, the density of a substance is expressed as:

Density = Mass / volume

With the above formula, we can obtain the density of the metal as follow:

Mass of metal = 32.56 g

Volume of metal = 5.66mL

Density =.?

Density = Mass /volume

Density = 32.56g/5.66mL

Density of the metal = 5.75g/mL

Comparing the density of the metal with standard density of elements, the metal is Tin (Sn)

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