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Question 3
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A sample of gas weighing 0.494 g is collected in a flask with...
Chemistry, 01.03.2021 04:10 clairajogriggsk
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Question 3
4 points
A sample of gas weighing 0.494 g is collected in a flask with a volume of 0.129 L at 372.6 K when the atmospheric pressure is 0.976 atm. What is the approximate molar mass of the gas?
Answers: 3
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Balance the following reaction. as2s3 + 9o2 → 2as2o3 + so2
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Suppose a pair of chemical compounds a and b can react in two different ways: a + b -> c reaction 1 gives product c. a + b -> d reaction 2 gives product d. the following facts are known about the two reactions: . reaction 1 is endothermic and reaction 2 is exothermic. if a reaction vessel is charged (filled) with a and b , then at first d is produced faster than c. use these facts to sketch a qualitative reaction energy diagram for both reactions. note: because these sketches are only qualitative, the energies don? t have to be exact. they only have to have the right relationship to each other. for example, if one energy is less than another, that fact should be clear in your sketch.
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