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3 years ago

What are the 4 variables that describe a gas

Chemistry

1 answer:

Phantasy [73]3 years ago

8 0

Pressure, volume, temperature, # moles Pressure, volume and temperature, and moles of gas

Hope that helps!!!!

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Osmotic pressure Π is given by the relation:Π = iMRTwhere i is the van’t Hoff factor, M is the concentration of solute, R is the

lions [1.4K]

<u>Answer:</u> The concentration of solute is 0.503 mol/L

<u>Explanation:</u>

To calculate the concentration of solute, we use the equation for osmotic pressure, which is:

$\pi=icRT$

where,

$\pi$ = osmotic pressure of the solution = 24 atm

i = Van't hoff factor = 2 (for NaCl)

c = concentration of solute = ?

R = Gas constant = $0.08\text{ L atm }mol^{-1}K^{-1}$

T = temperature of the solution = $25^oC=[273+25]=298K$

Putting values in above equation, we get:

$24atm=2\times c\times 0.08\text{ L.atm }mol^{-1}K^{-1}\times 298K\\\\c=0.503mol/L$

Hence, the concentration of solute is 0.503 mol/L

5 0

3 years ago

Which of the following liquids has the lowest viscosity?

zavuch27 [327]

Answer:

Ether and acetone are the liquids with the lowest viscosities at room temperature.

Explanation:

7 0

2 years ago

What do scientists call an orderly pattern of change over time

Ulleksa [173]

ecological. i hope this helps!!!!

4 0

2 years ago

PLEASE NEED HELP QUICK DEADLINE SOON

Nadya [2.5K]

Answer:

D. Protons ; neutrons.

Explanation:

For a given element the number of protons is fixed, but the number of neutrons differ because the element usually consist of a number of isotopes.

For example Carbon has isotopes which contain 12, 13 and 14 neutrons.

So that is why you average the number of neutrons to find the approximate atomic mass..

6 0

3 years ago

What is the name of the first state

irina1246 [14]

Answer:

Delaware

Explanation:

Delaware was the first state to ratify the United States Constitution in 1787. There is only one First State and Delaware is it.

8 0

3 years ago