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USPshnik [31]
3 years ago
8

Can u pls help me with this question ​

Chemistry
1 answer:
muminat3 years ago
3 0

Answer:

it's mass

Explanation:

just trust me it's just mass

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<h3>Hallucination is an experience involving the apparent perception of something not present .</h3>

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List at least four dangers that are associated with earthquakes!!!!!!!1
castortr0y [4]

Earthquakes may lead to

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3 years ago
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A solution of 2.00 g of para-dichlorobenzene in 50.0 g
vlada-n [284]

Answer:

151 g/mol

Explanation:

When a nonvolatile substance is added to a solvent, the freezing point of the solvent is changed, which is called cryoscopy. When temperature change can be calculated by:

ΔT = Kf*W

Where Kf is the molal freezing point constant of the solvent and W is the molality of the solution.

For cyclohexane, Kf = 20.2 °C/molal, and the freezing point is 6.4 °C, so:

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20.2W = 5.35

W = 0.26485 molal

The molality is:

W = m1/m2*M1

Where m1 is the mass of the solute (in g), m2 is the mass of the solvent (in kg), and M1 is the molar mass of the solute. So:

0.26485 = 2.00/0.05M1

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7 0
3 years ago
Using the tools and knowledge of science to solve a problem or build new technology is called...
kaheart [24]

Answer:

Invention

Explanation:

Scientific ideas can be applied in novel was to solve new scientific problems and create new technology. This process helps to make life easier and better.

The application of scientific knowledge to solve new problems and create new technology is generally referred to as invention.

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4 years ago
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Olin [163]

Answer:

D.) They often form hydroxide ions.​

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