How many square centimeters are in an area of 6.80 inch^2
1 answer:
43.87cm²
Explanation:
Given parameter;
Area = 6.80in²
Problem:
conversion of in² to cm²
1in = 2.54cm
Given 6.8in²:
Converting:
6.8 x in x in x ;
The inches cancels out to give:
= 43.87cm²
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Answer: The correct option is (c). The total pressure doubles.
Solution:
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....(1)
= Total pressure when only oxygen gas was present.
Final total pressure when 4 moles of helium gas were added:
partial pressure of oxygen in the mixture :
Since, the number of moles of oxygen remains the same, the partial pressure of oxygen will also remain the same in the mixture.
= Total pressure of the mixture.
from (1)
On rearranging, we get:
The new total pressure will be twice of initial total pressure.