You measure two different pressures of the sealed vial containing air and ethanol at two different temperatures; 890.27 mmhg at 27°c and 908.53 mmhg at 40°c. from earlier measurements you found that the pressure of air at 27°c is 760.05 mmhg. what is the vapor pressure?
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What property is a characteristic of a substance that can be observed and does not change the identity of the substance
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Acave rescue team lifts an injured spelunker directly upward and out of a sinkhole by means of a motor-driven cable. the lift is performed in three stages, each requiring a vertical distance of 11.0 m: (a) the initially stationary spelunker is accelerated to a speed of 4.80 m/s; (b) he is then lifted at the constant speed of 4.80 m/s; (c) finally he is decelerated to zero speed. how much work is done on the 78.0 kg rescue by the force lifting him during each stage
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Which fact supports the conclusion that there will be fewer farm managers in the future? a) a farmer manager’s duties vary by the type of farm. b) farm technology is replacing some administrative jobs c) farm managers often need experience but not education. d) administrative duties include budgeting and training staff.
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You measure two different pressures of the sealed vial containing air and ethanol at two different t...
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