The pressure of a gas sample was measured to be 654 mmHg. What is the pressure in kPa (1 atm = 1.01325 * 10⁵ Pa) A) 87.2 kPa B) 8.72 * 10⁴ kPa C) 118 kPa D) 8.72 * 10⁷ kPa E) 6.63 * 10⁴ kPa

Question

Quizplus · Accepted Answer

To convert the pressure from mmHg to kPa, use the conversion factor 1 atm = 760 mmHg = 101.325 kPa. Thus, $654 \, \text{mmHg} \times \frac{101.325 \, \text{kPa}}{760 \, \text{mmHg}} \approx 87.2 \, \text{kPa}$.

The Pressure of a Gas Sample Was Measured to Be