Chemistry, 04.02.2020 22:43 Karamatullah
Students are each given a 20 gram sample of an unknown solid compound in a clear plastic bag. they are instructed to break the material into smaller parts by gently hitting it with a hammer. some of the parts break into large chunks and some look like a fine powder. which statement correctly describes these broken pieces of the sample?
the pieces of fine powder are individual atoms.
the larger pieces are still compounds and the smaller pieces are elements.
each piece contains the same number of atoms.
each piece contains the same proportion of different elements.
Answers: 1
Chemistry, 22.06.2019 12:00, ctyrector
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
Answers: 1
Chemistry, 22.06.2019 12:20, sindy35111
Consider the reaction of a(g) + b(g) + c(g) => d(g) for which the following data were obtained: experiment initial [a], mol/l initial [b], mol/l initial [c], mol/l initial rate, mol/l. s 1 0.0500 0.0500 0.0100 6.25 x 10^-3 2 0.100 0.0500 0.0100 2.50 x 10^-2 3 0.100 0.100 0.0100 1.00 x 10^-1 4 0.0500 0.0500 0.0200 6.25 x 10^-3 what is the rate law for the reaction?
Answers: 3
Students are each given a 20 gram sample of an unknown solid compound in a clear plastic bag. they a...
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