Chemistry, 19.04.2021 18:10 mandilynn22
Para cozinhar as batatas mais rápido segundo a cinética química devemos:
a-( ) diminuir a temperatura
b-( ) aumentar a superfície de contato
c-( ) diminuir a pressão na panela
por quê?
Answers: 1
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Which characteristics can be used to differentiate star systems? check all that apply.
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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, 23.06.2019 04:31
How does a sample of helium at 15 degree celsius compare to a sample of helium at 215 k? a) the helium at 15 degrees celsius has a higher average kinetic energy that the sample at 215 k. b) the helium at 15 degrees celsius has lower nuclear energy that the sample at 215 k. c) the helium at 15 degrees celsius has slower- moving atoms that the sample at 215 k. d) the helium at 15 degrees celsius has smaller atoms than the sample at 215 k.
Answers: 1
Para cozinhar as batatas mais rápido segundo a cinética química devemos:
a-( ) diminuir a temperatu...
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