parkor9816 parkor9816

Today at 12:53 AM
Chemistry

Answered

A tank contains helium gas at 490 mmHg, nitrogen gas at 0.75 atm, and neon at 520 torr. What is the total pressure in atm? (don't forget to convert pressure units and sig fig rules)

Answer :

Today at 12:58 AM

490mmHg (1 atm/760 mmHg)=0.6447368421 atm
520 torr (1 mmHg/1 torr)(1 atm/ 760 mmHg)=0.6842105263 atm
P(He)+P(N)+P(Ne)=P(total)
0.6447368421+0.75+0.6842105263=2.078947368 atm
=2.08 atm

Answer Link

Other Questions

Exercise 1 Underline each pronoun. In the blank, write int. if the pronoun is interrogative, rel. if it is relative, dem. if it is demonstrative, and ind. if i

In mapping diagram D, what is the range?

Which statements describe scientific laws but not theories or hypothesis?check all that apply

Based on the map above, which of the following continents are the most developed? Note, the darker the shade of green, the more developed the region is.

Exercise 1 Underline each pronoun. In the blank, write int. if the pronoun is interrogative, rel. if it is relative, dem. if it is demonstrative, and ind. if i

Find area of rhombus whose diagonal area 8 and 14

There are 54 balls in first box and 179 balls in the second box. Estimate the total number of balls in both the boxes using the general rule.

· Discuss the religious and spiritual developments of the medieval period in detail.

a partice of mass m strikes elastically on a wall with velocity v , at an angle of 60° from the wall then magnitutude change in momentum of ball along the wall

What is mensuntral cycle??

A bond that can be exchanged for another security of the issuing firm is called a(n)?

The pearson correlation is calculated for a sample of n = 25 individuals. what value of df should be used to determine whether or not the correlation is signifi

The system that keeps track of the results of each of the three business activities is called a(n) system.

The hormone primarily responsible for contraction of the gallbladder and release of bile into the duodenum is?

The number of hours of daylight in a city in the northern hemisphere shows periodic behavior over time. - The average number of daylight hours is 12 - The maxim

Population groups are different people who share similar weaknesses and struggles. Sometimes people belong to more than one population group because they . don’

Nova receives a bill for her cell phone each month. She pays a flat fee of $35 plus $0.05 per text message. This month, her bill without taxes was $51.50 Which

name three way the hopi adapted to the dry climste of the southwest

What is the 12th amendment?

what is the purpose of assigning two names to classify organisms?