A1.40-l gaseous system absorbs 75 j of heat and expands its volume to 2.00 l against an external pressure of 1.02 atm. what is the change in internal energy for this process? 1 = 101.3 j

15.24 J is the change in internal energy for this process.

Explanation:

According to the first law of thermodynamics:-

Where,  

U is the internal energy

q is the heat

w is the work done

From the question,

q = + 75 J

(+ sign as the heat is being absorbed)

The expression for the calculation of work done is shown below as:

Where, P is the pressure

is the change in volume

From the question,  

= 2.00 - 1.40 L = 0.60 L

P = 1.02 atm

Also, 1 atmL = 101.3 J

So,  

(work is done by the system)

So,

15.24 J is the change in internal energy for this process.

b. atoms in metallic solids are not arranged in a regular pattern

explanation:

a plasma is a warm ionized gasoline consisting of approximately equal numbers of definitely charged ions and negatively charged electrons. the characteristics of plasmas are notably unique from the ones of ordinary neutral gases in order that plasmas are considered a awesome "fourth kingdom of remember."