Se tienen dos recipientes con 500 ml. De metanol. En el recipiente 1 se tiene metanol puro, mientras que en el 2 , se tiene una solución al 2% en volumen de metanol . Si se sabe que un trago de l0 ml. Del recipiente 1 causa la muerte a quien lo ingiera , para que se de el mismo efecto al beber del recipiente 2 . Es necesario ingerir:

Hot air balloons float in the air because of the difference in density between cold and hot air. in this problem, you will estimate the minimum temperature the gas inside the balloon needs to be, for it to take off. to do this, use the following variables and make these assumptions: the combined weight of the pilot basket together with that of the balloon fabric and other equipment is w. the volume of the hot air inside the balloon when it is inflated is v. the absolute temperature of the hot air at the bottom of the balloon is th (where th> tc). the absolute temperature of the cold air outside the balloon is tc and its density is ďc. the balloon is open at the bottom, so that the pressure inside and outside the balloon is the same. as always, treat air as an ideal gas. use g for the magnitude of the acceleration due to gravity.

What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate

Draw the lewis dot structure for each of the following polyatomic ions