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Yakvenalex [24]
3 years ago
13

The density of aluminum is 2.70 g/cm'. If the volume of a piece of aluminum is 90.4 cm', what is

Chemistry
1 answer:
weeeeeb [17]3 years ago
6 0

Answer:

33.4814814815

Explanation:

90.4/2.70

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Using two different instruments I measured the length of my foot to be 27 centimeters and 27.00 centimeters. Explain the differe
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Answer:

As you used two diferent instruments, one is more sensitive than the other.

Explanation:

The sensitivity of an instrument is the minimum amount of magnitude that can be  differentiate a measurement system.

In method A, you got 27 cm, so if in method B, you got 27.00, method B is more sensitive. It's like saying that one system measures more than the other

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Does the model below represent a mixture or a substance ?
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substance

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A mixture is when two or more <u>different</u> atoms/molecules are together, but not joined.

A substance is when the <u>same </u>atom/molecule is in a group together.

In this example, it is a substance because it is comprised of the same molecule not joined all together. If you wanted a mixture, other colored atoms/molecule (e.g. add green atoms) would change it to this property.

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Answer:

Plate tectonics is the theory that Earth's outer shell is divided into several plates that glide over the mantle, the rocky inner layer above the core. The plates act like a hard and rigid shell compared to Earth's mantle. ... The lithosphere includes the crust and outer part of the mantle.

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What are some physical characteristics of the Sun?
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the sun has a radius of 432,169 miles

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Kylee has been learning that engineering and technology are beneficial to people. She now sees how the things people synthesize
marysya [2.9K]

Answer:

They are synthesized from raw materials

Explanation:

All synthesized products goes through lots of processes. This processes involves the conversion of substances known as raw materials into a more useful and modified form.

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