Santos9536 Santos9536

23-11-2017
Chemistry

contestada

The rms speed of the molecules of a gas at 139°c is 181 m/s. calculate the mass of a single molecule in the gas.

Respuesta :

02-12-2017

Answer: RMS = sqrt 3RT/M R is gas constant in (kgÂ·m 2 /sec 2 )/KÂ·mol; T is temp in K; M is molar mass in kg 181 m/s = sqrt (3)(8.314)(412)/M sqrt M = 0.55 M = 0.298 kg = 298 g

Answer Link

Otras preguntas

What is entered into a cell that is typically numeric and can be used for calculations? A. Value B. Function C. Label D. Tab

HELP PLZZZZZZZ Review the detail. Nature holds irresistible beauty along with great danger. Which best identifies and explains a relevant detail that is used to

Find the value of tan θ for the angle shown. A line is drawn from the origin through the point square root of thirty-three comma negative four. The angle theta

A FORCE OF 5N ACTS ON A 15 KG BODY INITIALLY AT REST THE WORK DONE BY THE FORCE DURING THE FIRST SECOND OF THE MOTION OF THE BODY IS a) 5j b)6j c)5/6j d)75j

I NEED HELP MAN PLEASE!!!! nobody is helping rn ):

is y=9x+1 a function of x

1. Which of the following is not a recyclable? (1 point) A. la botella B. la lata C. el periodico D. el barrio

the range of which function includes -4?

What happens if the President and the Vice President are unable to serve out their terms?

X^2+8x+15=0 solve by fracturing