3 years ago

The state of matter that has molecules with the least random molecular arrangement:

1 answer:

5 0

Gas. Molecules in gas are able to move and vibrate around each other more freely than the molecules in liquids and/or solids due to the great amount of space in between them. Hope this helps! :)

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In a thin layer chromatography experiment, a plate of length 9.3 cm was used and a horizontal line was made at 1.45 cm above the

dezoksy [38]

Answer: The $R_f$ value is 0.664

Explanation:

Distance travelled by solvent front = (7.7-1.45)cm = 6.25 cm

Distance travelled by unknown = (5.6-1.45) cm = 4.15 cm

The retention factor or the $R_f$ value is defined as the ratio of distance traveled by the unknown to the distance traveled by the solvent front.

$R_f=\frac{\text {distance travelled by unknown}}{\text {distance travelled by solvent}}$

$R_f=\frac{4.15}{6.25}=0.664$

Thus the $R_f$ value is 0.664

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3 years ago

After fertilization, female cones become very:<br> sticky<br> light<br> O hard

S_A_V [24]

Answer:

light

Explanation:

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3 years ago

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aliina [53]

Answer:

Recessive and Dominant

Explanation:

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Which temperature scale does not possess negative values? A. Fahrenheit B. Celsius C. Kelvin D. No temperature scale has negativ

dimaraw [331]

Kelvin doesn't have negativity iim pretty sure

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3 years ago

A mass of 2kg has a kinetic energy of 16J.what is the momentum of the body?

juin [17]

Explanation:

mass -2kg

energy -16j

k.e -1/2mv

16j= 1/2×2×V

16× 2/2 =V

16 = V

√16= V

V= 4m/s

Then

momentum=MV

=2×4

=8kgm/s

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3 years ago