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Alborosie
3 years ago
9

Which state of matter characterized by having a definite shape and a definite volume?

Chemistry
1 answer:
blagie [28]3 years ago
7 0
Solid. Water doesn't have a definite shape. Gas doesn't have either.
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Please help thank you (15 points)
dsp73

Answer:

C.

Explanation:

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4 0
3 years ago
Two unknown molecular compounds were being studied. A solution containing 5.00 g of compound A in 100. g of water froze at a low
LenaWriter [7]

Answer:

Compound B has greater molar mass.

Explanation:

The depression in freezing point is given by ;

\Delta T_f=i\times k_f\times m..[1]

m=\frac{\text{Mass of solute}}{\text{Molar mass of solute}\times \text{Mass of solvent in kg}}

Where:

i = van't Hoff factor

k_f = Molal depression constant

m = molality of the solution

According to question , solution with 5.00 g of A in 100.0 grams of water froze at at lower temperature than solution with 5.00 g of B in 100.0 grams of water.

The depression in freezing point of solution with A solute: \Delta T_{f,A}

Molar mass of A = M_A

The depression in freezing point of solution with B solute: \Delta T_{f,B}

Molar mass of B = M_B

\Delta T_{f,A}>\Delta T_{f,B}

As we can see in [1] , that depression in freezing point is inversely related to molar mass of the solute.

\Delta T_f\propto \frac{1}{\text{Molar mass of solute}}

M_A

This means compound B has greater molar mass than compound A,

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3 years ago
How do plants and animals help to maintain a balance of carbon dioxide in the atmosphere
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Well all I know that animals take in oxygen and take out carbon dioxide and plants take in carbon dioxide and take out oxygen
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3 years ago
What important result did Becquerel observe when he placed the uranium salt crystals and unexposed photographic film in a drawer
nexus9112 [7]
<span>B) The crystals did not phosphoresce within the drawer but did expose the film</span>
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3 years ago
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