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goldfiish [28.3K]
3 years ago
14

How does a foam-filled winter coat help keep a person warm?

Chemistry
1 answer:
Rudik [331]3 years ago
5 0

Answer:

It slows down the transfer of thermal energy from outside to inside the coat.

Explanation:

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If a solution is saturated, which of these is true?
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<span>The Answer would be </span><span>A)The concentration cannot be increased.</span><span> </span>
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Which type of rock is most likely to form because of high heat and pressure?
expeople1 [14]

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Metamorphic Rock

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Metamorphic rocks are formed because of high heat and pressure . Metamorphic rocks form from heat and pressure changing the original or parent rock into a completely new rock. The parent rock can be either sedimentary, igneous, or even another metamorphic rock

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Check the attached file for the answer.

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3 years ago
What mass of solid that has a molar mass of 46.0 g/mol should be added to 150.0 g of benzene to raise the boiling point of benze
enyata [817]

Answer : 17.12 g

Explanation:\Delta T =k_b\times m

\Delta T = elevation in boiling point

k_b = boiling point elevation constant

m= molality

molality=\frac{mass of solute}{molecular mass of solute\times weight of the solvent in kg}

given \Delta T=6.28^{\circ}C

Molar mass of solute = 46.0 gmol^{-1}

Weight of the solvent = 150.0 g = 0.15 kg

Putting in the values

molality=\frac{x}{46gmol^{-1}\times0.15kg}

6.28 =2.53^{\circ}Ckgmol^{-1}\frac{x}{46gmol^{-1}\times 0.15kg}

x = 17.12 g



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3 years ago
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