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2 years ago

Name the chemical bond present in sodium chloride Nitrogen gas and carbon tetrachloride

Chemistry

1 answer:

Gnom [1K]2 years ago

6 0

Answer:

ionic bond for sodium chloride

covalent bond for nitrogen gas

covalent bond for carbon tetrachloride

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3 years ago

For which of the following aqueous solutions would one expect to have the largest van’t Hoff factor (i)? a. 0.050 m NaCl b. 0.50

ira [324]

Answer:

The van't hoff factor of 0.500m K₂SO₄ will be highest.

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Van't Hoff factor was introduced for better understanding of colligative property of a solution.

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a) For NaCl the van't Hoff factor is 2

b) For K₂SO₄ the van't Hoff factor is 3 [it will dissociate to give three ions one sulfate ion and two potassium ions]

Out of 0.500m and 0.050m K₂SO₄, the van't hoff factor of 0.500m K₂SO₄ will be more.

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3 years ago

Suppose a mercury thermometer contains 3.250g of mercury and has a capillary that is 0.180mm in diameter.. How far does the merc

Helga [31]

1) You need to get volume of both temperatures by using first attached formula V= Mass/Density $V_1 = (3.250 g)/(13.596 g/(cm^3)) = .2390 cm^3
At 25 degrees C (V_2e have:

V_2 = (3.250 g)/(13.534 g/(cm^3)) = .2401 cm^3$

2) Using the second formula you get the height of 0 degree
$h = V/(pi * r^2)


h_1 =(.2390 cm^3)/(pi*(.009 cm)^2) = 939.2 cm$

(radius in cm is $(0.180 mm) / 2 * (1 cm)/(10 mm) or .009 cm$

3) Then with h1 you can easily get the height of 25 degrees
$h_2 =(.2401 cm^3)/(pi*(.009 cm)^2) = 943.5 cm$

Subtract 943.5 cm - 939.2 cm, and obtain a rise in mercury height of 4.3 cm

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2 years ago

Read 2 more answers

Name the chemical bond present in sodium chloride Nitrogen gas and carbon tetrachloride​

Name the chemical bond present in sodium chloride Nitrogen gas and carbon tetrachloride