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3 years ago

What is the "brains" of the computer?

2 answers:

7 0

The brains of a computer is a microprocessor called the central processing unit because its a chip containing millions of tiny transistors

romanna [79]3 years ago

3 0

Answer:

The central processing unit (CPU)

Explanation:

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Which of the following options are NOT correct interpretations of the unedited sentence given below?

deff fn [24]

Answer:

Explanation:

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2 years ago

Anions tend to have a __________ charge and cations tend to have a __________ charge.

hoa [83]

Answer: Negative, Positive

Explanation:

Cations lose electrons to get a positive charge, while anions gain electrons to get a negative charge.

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2 years ago

A sample of pure lithium nitrate contains 7. 99% lithium by mass. What is the % lithium by mass in a sample of pure lithium nitr

Shalnov [3]

Considering the definition of percentage by mass, the sample of pure lithium nitrate contains 7.99% lithium by mass.

<h3>Definition of percentage by mass</h3>

The percentage by mass expresses the concentration and indicates the amount of mass of solute present in 100 grams of solution.

In other words, the percentage by mass of a component of the solution is defined as the ratio of the mass of the solute to the mass of the solution, expressed as a percentage.

The percentage by mass is calculated as the mass of the solute divided by the mass of the solution, the result of which is multiplied by 100 to give a percentage. This is:

$percentage by mass=\frac{mass of solute}{mass of solution}x100$

Because percent by mass indicates the ratio of solute to solution based on mass, if the sample has twice the mass of the first sample, the ratio remains constant.

So the percentage by mass is the same.

That is, the sample of pure lithium nitrate contains 7.99% lithium by mass.

Learn more about percent by mass:

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2 years ago

Based on the element square shown above, how many neutrons would an atom of Boron usually have? Question 5 options: 5 6 10 11

Lubov Fominskaja [6]

Answer:

Explanation:

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3 years ago

Read 2 more answers

To complete an associate's degree, a student typically has to complete

liq [111]

Answer:

According to the U.S. Department of Education, most American colleges and universities award college credit by the semester hour. In order to receive an associate degree, you must earn at least 60 credits, which typically can be fulfilled by completing 20 three-credit courses.

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1 year ago