How do surfactants work in stain removers?
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Chemistry, 15.10.2019 19:00, jamayeah02
How do surfactants work in stain removers?
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Answers: 2
Chemistry, 21.06.2019 21:00, daigle18383
Solar energy is energy from the sun that is converted into thermal or energy. a. nuclear b. mechanical c. electrical d. chemical
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Chemistry, 22.06.2019 13:00, rome58
Lab reagent, hypothesis test. a reference solution used as a lab reagent is purported to have a concentration of 5 mg/dl. six samples are taken from this solution and the following concentrations are recorded: (5.32, 4.88, 5.10, 4.73, 5.15, 4.75) mg/dl. these six measurements are assumed to be an srs of all possible measurements from solution. they are also assumed to have a standard deviation of 0.2, a normal distributin, and a mean concentration equal to the true concentration of the solution. carry out a significance test to determine whether these six measurements provide reliable evidence that the true concentration of the solution is actually not 5 mg/dl.
Answers: 1
Chemistry, 22.06.2019 15:10, strodersage
Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?
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