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Strike441 [17]
2 years ago
15

Identify the phase of matter based the image of the substance below

Chemistry
1 answer:
Rus_ich [418]2 years ago
7 0

The answer is <em><u>gas</u></em>.

Explanation:

ur welcome

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Answer:

The difference between liquid nitrogen and nitrogen gas is liquid nitrogen gas is man made or caused by humans but, nitrogen gas takes place naturally in the earths atmosphere.

Explanation:

Hope this helps :)

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Hg-178 undergoes 2 alpha decay and positron emission. Determine the new isotope.
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What elements were formed in Nuclear fusion?
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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,

4 0
3 years ago
Which of the following represents the chemical reaction of boron trichloride and water to produce boric acid and hydrochloric ac
MrRa [10]

<span>boron trichloride + water → boric acid + hydrochloric acid</span>
4 0
3 years ago
Read 2 more answers
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