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OLga [1]
3 years ago
11

What is part of an experiment that is not being tested and is used for comparison

Chemistry
1 answer:
Marat540 [252]3 years ago
8 0
How about the Rockwell hardness test
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6

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In the atmosphere water vapor condenses to form clouds.
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How is homogeneous and heterogeneous alike ?
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A homogeneous mixture has the same uniform appearance and composition throughout. Many homogeneous mixtures are commonly referred to as solutions. A heterogeneous mixture consists of visibly different substances or phases. The three phases or states of matter are gas, liquid, and solid.

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Evaluate the exponential expression (−2)6.
Olegator [25]

A general exponential expression is something like:

A^n

This means that we need to multiply the number A by itself n times.

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With that definition, we can rewrite:

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So we just need to solve the above expression.

Also, remember the rule of signs:

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We will get:

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Then we got:

(-2)^6 = 64

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