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lakkis [162]
3 years ago
14

Which statement best describes displacement? Check all that apply

Chemistry
1 answer:
Snowcat [4.5K]3 years ago
3 0
ANSWER:
DISPLACEMENT IS THE SHORTEST PATH LENGTH COVERED BY AN OBJECT.
IT IS A VECTOR QUANTITY AS IT NEEDS BOTH DIRECTION AND MAGNITUDE TO MEASURE IT.
HOPE IT HELPS!!!
IF IT HELPS PLEASE MARK BRAINLIEST!!!!
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In the laboratory you are asked to make a 0.565 m sodium bromide solution using 315 grams of water. How many grams of sodium bro
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Answer : The mass of sodium bromide added should be, 18.3 grams.

Explanation :

Molality : It is defined as the number of moles of solute present in kilograms of solvent.

Formula used :

Molality=\frac{\text{Mass of solute}\times 1000}{\text{Molar mass of solute}\times \text{Mass of solvent}}

Solute is, NaBr and solvent is, water.

Given:

Molality of NaBr = 0.565 mol/kg

Molar mass of NaBr = 103 g/mole

Mass of water = 315 g

Now put all the given values in the above formula, we get:

0.565mol/kg=\frac{\text{Mass of NaBr}\times 1000}{103g/mole\times 315g}

\text{Mass of NaBr}=18.3g

Thus, the mass of sodium bromide added should be, 18.3 grams.

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Write the symbol for every chemical element that has atomic number less than 75 and atomic mass greater than 173.5 u.
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Following are the chemical elements that have atomic mass greater than 173.5 u and atomic number less than 75.

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2.  Hafnium
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