Course Home ing Chemistry e Home US Part A Constants I Periodic Table You may wa

Question

Course Home ing Chemistry e Home US Part A Constants I Periodic Table You may want to reference Pages 417-419) this problem. Given a barometric pressure of 732.0 mmHg, calculate the pressure of gas sample (a) as indicated by the manometer (Figure 1). Section 10.3 while completing ent Sharing ttings Tools Pgas (a) mmHg Figure 1 of 2 Submit Request Answer Atmospheric pressure Part B Given a barometric pressure of 732.0 mmHg, calculate the pressure of gas sample (b) as indicated by the manometer (Figure 2) cm mmHg ras Mercury Submit Request Answer

Explanation / Answer

Part A : Correct answer is Pgas (a) = 712.0 mmHg

Part B : please provide Figure 2

Explanation :

Total pressure (or barometric pressure) = pressure of gas + pressure of mercury height difference

Here barometric pressure = 732.0 mmHg

pressure of mercury height difference = 2 cmHg = 2cmHg x (10mmHg / 1cmHg) = 20 mmHg

Pressure of gas = Barometric pressure - pressure of mercury height difference

pressure of gas = 732.0 mmHg - 20 mmHg

pressure of gas = 712.0 mmHg

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