Question

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Answer 1

Answer:

4) is the correct option

Explanation:

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Answer 2

Answer:

Hey here's ur ans

Explanation:

The units of the universal gas constant

R

is derived from equation

P

V

=

n

R

T

. It stands for Regnault.

If

the pressure

P

is in atmospheres (atm),

the volume

V

is in liters (L),

the moles

n

is in moles (mol),

and temperature

T

is in Kelvin (K),

then

R

is in

L

⋅

atm/mol

⋅

K

.

R

has the value

0.082057 L

⋅

atm/mol

⋅

K

with the above units for the remaining variables.

In other scenarios with pressures of

bars

instead, you may also use

0.083145 L

⋅

bar/mol

⋅

K

. However, temperature must always be in Kelvin (K), as

R

uses units of

K

.

There is a variation of the ideal gas law that uses the density of the gas with the equation

P

M

=

D

R

T

where

M

is the molar mass in

g/mol

and

D

is the density of the gas in

g/L

.