What is the specific heat of metal if its mass is 27 g and it requires 420 J of heat energy to increase its temperature from 25°C to 50°C?
1.420 J/g.°c
0.622 J/g.'c

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

How many moles are in 43.9 l of oxygen