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3 years ago

A 500 gram piece of metal had a volume of 2.75cm3. What is it’s density

Chemistry

1 answer:

beks73 [17]3 years ago

8 0

Answer:

181.82 g/cm3

Explanation:

density is mass / volume so it is 500 / 2.75=181.82 g/cm3

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What do you think happens to the bonds between atoms when substances melt?

Eduardwww [97]

Answer:

As a substance melts, and goes from a solid to a liquid state, the kinetic energy of the molecules increases, and the molecules move faster, and they separate further and further away from each other. The intermolecluar forces holding the molecules together become weaker. This is why a liquid can take fill the shape of its container, whereas a solid has a fixed shape.

Explanation:

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3 years ago

Consider a solution that contains 0.274 M potassium chloride and 0.155 M magnesium chloride.

solong [7]

Answer:

Concentration of chloride ions = 0.584M

Explanation:

The step by step calculations is shown as attached below.

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3 years ago

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Ne4ueva [31]

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2 years ago

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attashe74 [19]

the answer that i would say is C

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3 years ago

This equation shows a ____ refer to this summary equation of photosynthesis to complete the sentences about chemical bonds and r

coldgirl [10]

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In the balanced chemical equation, the number of each type of element must be equal on both sides of the reaction.

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3 years ago