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Ulleksa [173]
3 years ago
7

If a balloon is squeezed, what happens to the pressure of the gas inside the balloon?

Chemistry
2 answers:
Goshia [24]3 years ago
8 0

Answer: Option (a) is the correct answer.

Explanation:

Pressure is defined as the force applied on per unit area.

Mathematically,          Pressure = \frac{Force}{Area}

When we squeeze a balloon then it means we are applying pressure on it. Also, we are decreasing the area of balloon by applying more amount of force on it.

As area is inversely proportional to pressure. So, a decrease in area will lead to an increase in pressure.

Hence, we are increasing the pressure on the balloon by squeezing it.

Thus, we can conclude that if a balloon is squeezed, then pressure of the gas inside the balloon increases.

Nuetrik [128]3 years ago
5 0
Your answer is
A. it increases 
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How many moles of nitrogen gas are there in 16.8 L of this gas at STP?
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According to Avogadro's Law, same volume of any gas at standard temperature and pressure will occupy same volume. And one mole of any Ideal gas occupies 22.4 dm³ (1 dm³ = 1 L).

Data Given:

                  n = moles = ?
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Solution:
               
As 22.4 L volume is occupied by one mole of gas then the 16.8 L of this gas will contain....

                           = ( 1 mole × 16.8 L) ÷ 22.4 L
                    
                           = 0.75 moles

Result:
           
16.8 L of Nitrogen gas will contain 0.75 moles at standard temperature and pressure.
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