Chemistry > AQA QUESTION and MARK SCHEMES > St. John's University ( CHE 1121 ) updated quiz (All)

St. John's University ( CHE 1121 ) updated quiz

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Multiple Choice Section 10.2 1. An open-end mercury manometer was constructed from a U-shaped tube. In a particular measurement, the level in the end connected to the gas container, on which the ex ... periment was being conducted, measured 76.2 cm above the U-neck, while the level in the open end (to the atmosphere) was 23.8 cm above the U-neck. The outside air pressure in the laboratory was measured as 754 torr. What is the pressure in the gas container? * a. 230 torr b. 236 torr c. 241 torr d. 246 torr e. 1278 torr Section 10.2 2. An open-end mercury manometer was constructed from a U-shaped tube. In a particular measurement, the level in the end connected to the gas container, on which the experiment was being conducted, measured 82.8 cm above the U-neck, while the level in the open end (to the atmosphere) was 17.2 cm above the U-neck. The outside air pressure in the laboratory was measured as 764 torr. What is the pressure in the gas container? * a. 108 torr b. 159 torr c. 186 torr d. 236 torr e. 408 torr [Show More]

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