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Dominik [7]
3 years ago
15

What is a colligative property?

Chemistry
1 answer:
V125BC [204]3 years ago
6 0
<span>Colligative properties are properties of solutions that depend on the number of molecules [or ions] in a given volume of solvent and not on the properties (e.g. size or mass) of the compound. Colligative properties include: lowering of vapor pressure; elevation of boiling point; depression of freezing point and osmotic pressure.</span>
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What does cp stand for in chemistry?
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How are characteristic properties of matter used to it different matter? ​
Lisa [10]

Answer:

You can tell types of matter apart based on their properties. Physical properties of matter can be observed or measured without changing the identity of the substance.... Characteristic physical properties are properties that are always the same for a substance - so they can be used to identify a substance.

Explanation:

5 0
3 years ago
The radius of a krypton atom is 110pm and it's mass is 1.39x10 to -22 g.
Readme [11.4K]

Answer:

24.9~g/cm^3

Explanation:

Density is found dividing mass by volume. In this case, we treat krypton as a sphere having a volume of V = \dfrac{4}{3}\pi r^3. Given:

m = 1.39\cdot 10^{-22}~g

r = 110 pm = 1.10\cdot 10^{-8}~cm

We obtain density of:

d = \dfrac{m}{V} = \dfrac{m}{\dfrac{4}{3}\pi r^3} = \dfrac{3m}{4\pi r^3}

d = \dfrac{3\cdot 1.39\cdot 10^{-22}~g}{4\pi\cdot (1.10\cdot 10^{-8}~cm)^3} = 24.9~g/cm^3

This is not a feasible value for a gas like krypton, its radius is actually not 110 pm.

6 0
3 years ago
How many non metals are there in benzoic acid?
Oxana [17]

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There are 3 non-metals in benzoic acid.

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They are Hydrogen, Oxygen, and Carbon.

6 0
3 years ago
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