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Andreyy89
3 years ago
8

What can be deduced about two gases that have the same molecular mass?

Chemistry
1 answer:
snow_tiger [21]3 years ago
3 0

Answer: Spanish = La ley de Avogadro establece que "los volúmenes iguales de todos los gases, a la misma temperatura y presión, tienen el mismo número de moléculas". Para una masa dada de un gas ideal, el volumen y la cantidad (lunares) del gas son directamente proporcionales si la temperatura y la presión son constantes.

English = Avogadro's law states that "equal volumes of all gases, at the same temperature and pressure, have the same number of molecules." For a given mass of an ideal gas, the volume and amount (moles) of the gas are directly proportional if the temperature and pressure are constant.

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Circle the correct term to complete the sentence: When you dilute a solution, the resulting solution has a concentration that is
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Answer:. The concentration is decreased and the volume is increased.

Explanation: Diluting a solution means adding more solvent, usually water, meaning that there is less solute in any sample of the solution. Adding more solvent means that the volume of the solution will increase.

7 0
3 years ago
What is the hydroxide ion concentration of a solution whose pOH is 6.42?
Sergeeva-Olga [200]

Answer : The hydroxide ion concentration of a solution is, 3.8\times 10^{-7}M

Explanation :

As we know that:

pH : It is defined as the negative logarithm of hydrogen ion concentration.

Mathematically,

pH=-\log [H^+]

Similarly,

pOH : It is defined as the negative logarithm of hydroxide ion concentration.

Mathematically,

pOH=-\log [OH^-]

Given:

pOH = 6.42

6.42=-\log [OH^-]

[OH^-]=3.8\times 10^{-7}M

Therefore, the hydroxide ion concentration of a solution is, 3.8\times 10^{-7}M

7 0
3 years ago
What element is in the lathanide family?
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5 0
4 years ago
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Is the number 5x10 to the power of -4 greater than or less than 1.0?
Vinvika [58]
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4 0
4 years ago
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Describe what happens to the particles in a chocolate bar as it melts.
Margarita [4]

Answer:

The correct answer is d. As the chocolate bar changes from a solid to a liquid the particles move around more.

Explanation:

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4 years ago
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