bellarae502 bellarae502

01-02-2019
Chemistry

contestada

how many moles of air are there in a human lung with a volume of 2.4 L at STP? Explain your answer

Respuesta :

sportie59 sportie59

01-02-2019

one mole of any gas at STP is about 22.4 liters (even for mixtures). This number comes from the ideal gas equation by setting n=1 and STP conditions:
V=nR/P =1 mole x 0.08206Latm/molK x 237K/1atm = 22.4L

so jsut divide: 893L/22.4L/mole = 39.9 moles

Answer Link

Otras preguntas

of the four river valleys that supported major early civilizations, which one lost one of its major rivers

The value of y varies directly with the value of x, and y = –21 when x = 3. Which equations represent the relationship between y and x? Choose exactly two answe

what is 18 percent of 4,500.00 dollars

A frying pan has a radius of 14 centimeters. What is the circumference of the frying pan? Use 22/7. Please Help!!! A) 64cm. B) 88cm. C) 96cm. D) 128cm.

What do alcohol fermentation, acetyl CoA formation, and the Krebs cycle have in common? A. All produce water. B. All produce carbon dioxide. C. All produce ATP.

What is the simplest form 60:180?

is 11/20 greater than a half

what is the length of line RS with R(-2,3) and S(4,5)?

Bought computer for $500. Marked down $50. Plus a 25% discount off original price. What is the original price?

Which Mesoamerican civilization was believed to have been founded on an island in the middle of Lake Texcoco where an eagle was found sitting on a wingspanly ca