Tuesday
July 22, 2014

Posts by Poole


Total # Posts: 5

chemistry
In the extraction of an organic compound from a dilute aqueous solution, will the organic solvent form the uppoer or lower layer when each of the following solvent is used? a. chloroform b. cyclohexane c. heptane d. dichloromethane

lab chem
If toluene (density 0.87) wre used to extract ethylene bromohydrin (density 2.41) from an aqueous solution, a. Could you be certain that the organic solution would form the upper layer? b. by what test could you identify the nonaqueous layer.

Physics
Two forces, F1 and F2 , act at a point. F1 has a magnitude of 8.80N and is directed at an angle of 64.0 degree above the negative x axis in the second quadrant. F2 has a magnitude of 7.00N and is directed at an angle of 52.8 degree below the negative x axis in the third quadra...

Physics
thank you so much

Physics
Two forces, F1 and F2 , act at a point. F1 has a magnitude of 8.80N and is directed at an angle of 64.0 degree above the negative x axis in the second quadrant. F2 has a magnitude of 7.00N and is directed at an angle of 52.8 degree below the negative x axis in the third quadra...

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