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3 years ago

What is an example of inert elements

Chemistry

2 answers:

solmaris [256]3 years ago

8 0

Neon, Helium, Krypton, Xenon, Argon

marusya05 [52]3 years ago

8 0

Inert gases helium argon neon krypton xenon and radón another noble gas element does not occur naturally.

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If a liquid sample of naphthalene is heated and remains at 218 degrees c until it is completely vaporized, you know that 218 deg

Alexxandr [17]

The correct answer is b. Boiling point, why? because the liquid sample of napthalene is heated and remained at the temperature of 218 degrees celsius, the outcome was that the napthalene was completely vaporized, therefore we are given the scenario that at the temperature of 218 degrees celsius is considered to be the boiling pont of napthalene.

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3 years ago

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Describe the capillary action in acetone compared to water

lakkis [162]

Capillary action is defined as the ability of a liquid to go up a narrow space without the help or opposition of external forces. One of the most important factors affecting capillary action is the intermolecular forces within a substance. The higher the IMF, the greater the capillary action. The H-bonding in water gives it greater IMF than acetone, so water has greater capillary action.

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2 years ago

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Will mark branliest. Calculating percent yield: For the reaction Cu + 2AgNO3 → Cu(NO3)2 + 2 Ag, adding 127 grams of copper to lo

pishuonlain [190]

Percent yield = (Actual Yield/ Theoretical Yield) x 100

Given, Actual Yield of silver = 410 grams

Given, mass of copper = 127 g

Atomic mass of copper = 63.546 amu

Formula: Moles = mass / atomic mass

Moles of copper = 127 g/ 63.546 amu = 1.998 mol

Based on the given balanced chemical reaction, the molar ratio between Cu: Ag is 1:2

So 1.998 mol of copper should yield (2 mol Ag/ 1 mol Cu) x 1.998 mol of Cu = 3.996 mol

Calculated mol of Ag = 3.996 mol

Atomic mass of silver = 107.8682 amu

Mass of silver = moles x atomic mass = 3.996 mol x 107.8682 amu = 431 g

Based on the math, the theoretical yield = 431 g

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The answer is 95. 13%

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3 years ago

Why does wood burn with a flame when it is a solid fuel

Assoli18 [71]

1) Substances ( Solid, Liquid, Gases ) which produce vapors will burn with flame. ... A yellow flame is produced during incomplete combustion of a substance. In Kerosene stove if yellow flame is observed then it indicates the incomplete combustion which may be due to the insufficient supply of oxygen gas. is it from researching so good luck :D

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3 years ago

D-Fructose is the sweetest monosaccharide. How does the Fischer projection of D-fructose differ from that of D-glucose?

nataly862011 [7]

Answer:

The projection of the Fisher projection of D-Fructose and D-glucose is that The carbonyl carbon in D-glucose is carbon 1 (aldehyde), whereas in D-fructose, the carbonyl group is on carbon 2 (ketone).

Explanation:

An aldehyde is a compound containing a functional group with the structure −CHO, consisting of a carbonyl center and

A ketone is a functional group with the structure RC(=O)R', where R and R' can be a variety of carbon-containing substituents.

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3 years ago

What is an example of inert elements​

What is an example of inert elements