Un tanque de aire de un buceador contiene 30 litros (Volumen) de aire a 20°C (Temperatura) y 15 atm (presión).
Calcular el volumen del aire en condiciones normales. (Condiciones
normales de P y T = temperatura de 0°C (o 273,15 K, trabajaremos 273
K) y a una presión de 1 atm.

Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?

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 does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.