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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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Which of the following processes absorbs energy? A) condensation of water on a wind shield of a car B) formation of copperC) bal
Alecsey [184]

Answer:

C) ball rollinflown a hill

Explanation:

The question asks to  identify the endothermic process in the list of options. By way of elimination, we have;

A) condensation of water on a wind shield of a car

Condensation is an exothermic process. That is, heat is given out as the gases change into the liquid state of matter.

B) formation of copper

This is an exothermic process. Capture of electrons by a cation is always exothermic.

C) ball rollinflown a hill

This is the correct option. Energy is absorbed by the ball as it moves on the hill

D) formation of ice from liquid water

Freezing is an example of exothermic reaction. Heat is given off to the surroundings.

E) oxide from copper and oxygen

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This is science not chemistry
snow_lady [41]

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7 0
2 years ago
8. Carbohydrates on cell membranes help cells
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A

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5 0
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Match the following items. Match the items in the left column to the items in the right column. 1. general or nonspecific observ
ivann1987 [24]
when column B is like the attached pic: (missing in your question)

so the matches will be like that:

1- Qualitative :

as Qualitative is a general or nonspecific observation, they also don't require

measurements and even can't be measured, that is because of the reality is

being approximated only. It  describes qualities and uses opinion

2- Hypothesis : 

as a hypothesis is an educated guess quantitative, and it is a prediction stated

in " If and then " form. a hypothesis to be valid need a research such as:

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3- Direct relationship:

as a Direct relationship is when two variable change in the same direction,

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4- Quantitative:

as Quantitative is a measured observation, It's an information or data based

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5- Control :

as control is standard, reference data or experiment qualitatively. this is what

you compare your experimental results to. This is for comparing results, it

used as a standard for comparison and use baseline measurements to use in

the comparing.

6- Theory :

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 Scientifically acceptable general principles to explain phenomena. It the

general or abstract principles of the science. for example the  wave theory of

light.

7- Law :

as a law is a statement that explains what something does under the same

conditions. when we take about law in science, it is a general rule to explain

the observations in the form of a mathematical statement. Scientific law may 

be stated in words or expressed as a mathematical equations.

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as best fit curve is a curve drawn to average the data's deviations direct

relationship. It is a process of constructing a curve that has best fit to a

series of data points. 

7 0
3 years ago
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