Explain why should the jar used to cover the tlc plates be
1.Explain why should the jar used to cover the TLC plates be covered?
2.Suggest a reason that TLC plates that are stored in a highly humid room result in different Rf value s than plates that are stored in a dehumidified environment.
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Discuss how some solid samples (compounds that are solid at room temperature) can be analyzed by gas chromatography and explain how they would be introduced into the injector port and column.
A plane flies from the base camp to Lake A, 270 km away in the direction 20.0° north of east. After falling off supplies it flies to Lake B that is 260 km at 30.0° west of north from Lake A. Graphically find out the distance and direction
Discuss why must the injection port and the detector always be heated to higher temperatures than the column in a gas chromatograph?
An independent-measures research study employs two samples, each with n = 12 participants. If the data produce a t statistic of t = 2.08, then which of following is the correct decision for two-tailed hypothesis test?
Suggest a reason that TLC plates that are stored in a highly humid room result in different Rf value s than plates that are stored in a dehumidified environment.
Determine what force does the seat apply on the child if the child is halfway between the top and bottom? (Suppose the Ferris wheel is rotating clockwise and the child is moving upward.)
A researcher takes a sample and desires to compare the results to population from which it was drawn. The independent variable is "gender" and dependent variable is a yes/no response to whether they favor the abortion. What test would the research
Explain that why the spots should apply to the TLC plate be kept as small as possible? Suggest a good method to confirm that the two samples are the same or not the same.
Throughout a drive by a golfer, the angular velocity of club is zero at the top of the backswing and 30 rad/s at the bottom of the downswing just before impact with the ball. When the downswing lasts 0.30 s, determine the average angular accelerat
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