19. El cuello puede resistir hasta unos 80 y 100 kg con practica. Si la cabeza pesa unos cinco kg, ¿cual es la maxima gravedad que puede soportar el cuello? (Recuerda que la fuerza se mide en newtons)

If you add 10ml of hot water to 10ml of cold water and the change in tempature 8°c calculate how much energy is gained by the cold water

Adrop of acetone (nail polish remover) has a mass of 35 mg and a density of 0.788 g/cm3. what is its volume in cubic centimeters?

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