If a balloon is squeezed, what happens to the pressure of the gas inside the balloon?
2 answers:
Answer: Option (a) is the correct answer.
Explanation:
Pressure is defined as the force applied on per unit area.
Mathematically, Pressure =
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.
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Answer:
Tetrahedral electron geometry and trigonal pyramidal molecular geometry.
Explanation:
The Lewis structure is shown in Figure 1.
The central N atom has three bonding pairs and one lone pair, for <em>four electron groups</em>.
VSEPR theory predicts a tetrahedral electron geometry with bond angles of 109.5°.
We do not count the lone pair in determining the molecular shape.
The molecular geometry is trigonal pyramidal (see Figure 2).
