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Rufina [12.5K]
3 years ago
14

Look.........................

Chemistry
1 answer:
scoray [572]3 years ago
5 0

Answer:

c

Explanation:

opposite charges attract

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Constrictive

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According to Avogadro's law, how will the number of molecules in 2 liters
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According to Avogadro's law, the two gases will have equal number of molecules.

<h3>Avogadro's law </h3>

From the question, we are to determine how the two gases would compare according to Avogadro's law

First, we will state the Avogadro's law

<em>Avogadro's law</em> states that "equal volume of all gases at the <u>same temperature and pressure</u> contain the same number of molecules"

Now, from the given information

We have 2 liters of hydrogen gas and 2 liters of oxygen gas at the <u>same temperature and pressure</u>

According to Avogadro's law, gases that are equal in volume and are at the same temperature and pressure will have equal number of molecules.

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2 years ago
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What volume of H2O is formed at stp when 6.0g of Al is treated with excess NaOH?
Ne4ueva [31]

Answer : The volume of H_2O is 14.784 L.

Solution : Given,

Mass of Aluminium = 6 g

Molar mass of Aluminium = 27 g/mole

First we have to calculate the moles of aluminium.

Moles of Al = \frac{\text{ Given mass of Al}}{\text{ Molar mass of Al}}=\frac{6g}{27g/mole}=0.22moles

The given balanced reaction is,

2NaOH+2Al+6H_2O\rightarrow 2NaAl(OH)_4+3H_2

From the reaction, we conclude that

2 moles of Al react with the 6 moles of H_2O

0.22 moles of Al react with \frac{6}{2}\times 0.22=0.66moles of H_2O

At STP,  1 mole contains 22.4 L volume

As, 1 mole of H_2O contains 22.4 L volume of H_2O

0.66 moles of H_2O contains (22.4)\times (0.66)=14.784L volume of H_2O

Therefore, the volume of H_2O is 14.784 L.                                                                                        

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