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Tems11 [23]
3 years ago
7

I need help with 14 and 15 please!

Chemistry
1 answer:
Dima020 [189]3 years ago
8 0
Isotopes of an element will contain the same number of protons and electrons but will differ in the number of neutrons they contain. In other words, isotopes have the same atomic number because they are the same element but have a different atomic mass because they contain a different number of neutrons.
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classify the following compounds as ionic (metal + nonmetal) , covalent (nonmetal + nonmetal) or both (compound containing a pol
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11. ionic

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5) The properties of a substance depend on _______________
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(d) the atoms it contains and the way these atoms are connected

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A sample of metal has a mass of 18.20g, and a volume of 7.38mL. What is the density in g/cm^3?
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3 years ago
An aqueous solution contains 1.00 g/L of a derivative of the detergent laurel alcohol. The osmotic pressure of this solution is
iVinArrow [24]

Answer:

mm = 1043.33 g/mol

Explanation:

osmotic pressure (π):

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∴ π = 17.8 torr = 0.0234 atm

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∴ T = 25°C = 298 K

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molar mass (mm):

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7 0
3 years ago
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