El aire exhalado contiene 74,5g de N2, 15,7g de O2, 3,6g de CO2 y 6,2g de H2O. En un espacio de 2.1 L y 37°C a. Calcule la fracción molar de cada gas

b. Calcule la presión parcial de cada gas

c. Calcule la presión total del sistema.

Which of the following statements is true about planck’s law

List four observations that indicate that a chemical reaction may be taking place

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.