0.52 g of sodium was added to 100 cm3 of water. Calculate: a) The volume of hydrogen evolved at 298 K and 100 kPa. b) The concentration of the sodium hydroxide solution produced, assuming the volume of water does not change. 2Na+ 2H2O + 2NaOH + H2​

Agas in a balloon at constant pressure has a volume of 160 ml at -125*c. what is its volume at 29.0*c?

If c + di is a point on the circle, then | c + di |=

La reaccion entre monoxido de nitrogeno (no) y oxigeno para formardioxido de nitrogeno (no2) es un paso determinante para la formacion del smog, la reaccion es la siguiente: 2no + o2 = 2no2 cual sera el numero de moles de no2 que se formaran por la reaccion completa de 8 moles de oxigeno con suficiente monoxido?