Four forces see exerted on each of the two objects shown below: Which object will move in the up direction?
A. Object A but not Object B
B. Object B but not Object A
C. Both Object A and Object B
D. Neither Object A nor Object B

Give the set of reactants (including an alkyl halide and a nucleophile) that could be used to synthesize the following ether: draw the molecules on the canvas by choosing buttons from the tools (for bonds and charges), atoms, and templates toolbars, including charges where needed. ch3ch2och2ch2chch3 | ch3

Which is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.

Find the mass, in grams, of 5.00*10^23 molecules of f2