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3 years ago

Of the following: H2(g); He(g); CO2(g); which would behave least like an ideal gas? Why?

1 answer:

4 0

Answer:

CO2(g)

Because CO2 is the larges molecule with specific geometric, therefore it is not likely to behave as an ideal gas.

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The atomic number of an atom is always equal to the total number of

Basile [38]

C is correct. Have a good day!

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3 years ago

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What is 125000 in scientific notation?

Usimov [2.4K]

Answer:

1.25 x 10^5

Explanation:

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3 years ago

Who preformed the oil drop experiment

Ivan

Robert A. Millikan and Harvey Fletcher performed the oil drop experiment.

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3 years ago

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A 35.40 gram hydrate of sodium carbonate, Na2CO3•nH2O, is heated to a constant mass. Its final weight is 30.2 g. What is formula

Sever21 [200]

Answer:

Na₂CO₃•H₂O

Explanation:

After it is heated, the remaining mass is the mass of sodium carbonate.

30.2 g Na₂CO₃

Mass is conserved, so the difference is the mass of the water:

35.4 g − 30.2 g = 5.2 g H₂O

Convert masses to moles:

30.2 g Na₂CO₃ × (1 mol Na₂CO₃ / 106 g Na₂CO₃) = 0.285 mol Na₂CO₃

5.2 g H₂O × (1 mol H₂O / 18.0 g H₂O) = 0.289 mol H₂O

Normalize by dividing by the smallest:

0.285 / 0.285 = 1.00 mol Na₂CO₃

0.289 / 0.285 = 1.01 mol H₂O

The ratio is approximately 1:1. So the formula of the hydrate is Na₂CO₃•H₂O.

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3 years ago

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Which of the following acids is in household vinegar? A nitric acid hydrochloric acid C fluoric acid D acetic acid

Free_Kalibri [48]

Answer: Out of the given options acetic acid is in household vinegar.

Explanation:

Household vinegar is the one that is commonly used in our home while cooking a number of dishes.

The common name of vinegar is acetic acid and its chemical formula is $CH_{3}COOH$ .

For example, vinegar (acetic acid) is used while making noodles.

Thus, we can conclude that out of the given options acetic acid is in household vinegar.

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3 years ago