La presion de vapor del agua pura a 20°c es 17,535mmhg. Cual es la presion de vapor de 100g de una solucion acuosa de urea, co(nh2) 2 al 20%. Calcular el descenso relativo de la presion de vapor

Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) → ca(oh)2(aq) + 2h2(g) how many grams of cah2 are needed to generate 45.0 l of h2 gas at a pressure of 0.995 atm and a temperature of 32 °c?

How manyatoms of mercury are in 1.4214e+1 ml sample

What statement goes against the kinetic theory of gases