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miskamm [114]
3 years ago
13

Why the size of Na+ is smaller then Na ​

Chemistry
1 answer:
Rufina [12.5K]3 years ago
5 0
Because Na+ has less electrons than Na which means Na+ will be a smaller atom (give me brainliest please)
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a sample of helium occupies a volume of 101.2 mL at a pressure of 790 mmHg. at what pressure would the volume be 120 mL?
AveGali [126]

Answer : The final pressure will be, 666.2 mmHg

Explanation :

Boyle's Law : It is defined as the pressure of the gas is inversely proportional to the volume of the gas at constant temperature and number of moles.

P\propto \frac{1}{V}

or,

P_1V_1=P_2V_2

where,

P_1 = initial pressure = 790 mmHg

P_2 = final pressure = ?

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V_2 = final volume = 120 mL

Now put all the given values in the above equation, we get:

790mmHg\times 101.2mL=P_2\times 120mL

P_2=666.2mmHg

Therefore, the final pressure will be, 666.2 mmHg

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3 years ago
Which term refers to a small group of atoms that are attached to larger molecules, providing them with specific chemical propert
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2 years ago
Gloria is writing the chemical formula for a compound using its chemical name. She has just identified the names of the elements
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