Answers
8) The gas pressure is calculated:
P = Po + D * g * h
Where:
Po: Initial pressure in Pascal
D: Mercury density
g: Acceleration of gravity
h: Height of the column
P = 89326 Pa + 13550 Kg / m3 * 9.81 m / s2 * 0.01 m = 90655 Pa
The pressure in mmHg is calculated:
P = 90655 Pa * (760 mmHg / 101352 Pa) = 680 mmHg
The restultado of:
P = Patm + h mercury = 670 + 10 = 680 mmHg
9) If the mercury level decreases, the volume of gas inside the burette will also decrease.
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