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SSSSS [86.1K]
3 years ago
9

What allows electrical charges to move freely

Chemistry
1 answer:
Zolol [24]3 years ago
8 0

Explanation:

Certain materials, called conductors, allow electric charge to move pretty freely through them. ... Other materials, like plastic and rubber, are called insulators because they don't allow electric charges to move through them.

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4 0
3 years ago
Which expression is equivalent to 6m + (m - 2)(m + 7) + 3?
dedylja [7]
It’s is m2 +11m-11
I believe that’s right
8 0
3 years ago
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Dima020 [189]

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4 0
3 years ago
What change causes a substance to change states of matter?
pochemuha
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3 0
3 years ago
Read 2 more answers
The density of ethanol is 0.788 g/mL. What is the mass of 157 mL of alcohol?
Lina20 [59]

Answer:

<h3>The answer is 123.72 g</h3>

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

<h3>mass = Density × volume</h3>

From the question

volume = 157 mL

density = 0.788 g/mL

We have

mass = 0.788 × 157 = 123.716

We have the final answer as

<h3>123.72 g</h3>

Hope this helps you

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3 years ago
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