Which of the following coefficients is needed to balance the combustion reaction of methane? a.3 b.2 c.4 d. equation is already balanced

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

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 change to the system wood cause the freely-moving piston to lower?