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Nadusha1986 [10]
3 years ago
15

What is the answer A,B,C,D

Chemistry
1 answer:
SVETLANKA909090 [29]3 years ago
3 0

(A) Gamma waves have the highest energy

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If water has no color, why does your hair get darker when water makes contact with it?
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The freezing-point depression of a 0.100 m MgSO4 solution is 0.225°C. Determine the experimental van't Hoff factor of MgSO4 at t
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<u>Answer:</u> The experimental van't Hoff factor is 1.21

<u>Explanation:</u>

The expression for the depression in freezing point is given as:

\Delta T_f=iK_f\times m

where,

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\Delta T_f = depression in freezing point  = 0.225°C

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Putting values in above equation, we get:

0.225^oC=i\times 1.86^oC/m\times 0.100m\\\\i=\frac{0.225}{1.86\times 0.100}=1.21

Hence, the experimental van't Hoff factor is 1.21

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3 years ago
Matter G has a fixed shape and size. It is a:
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Answer:

it is a solid

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a solid is a fixed shape and size while liquids and gasses are not

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