The volume of a gas increases from 18.7 m3 to 25.1 m3 while the pressure changes from 1.82 atm to 1.41 atm. if the initial temperature is 353 k, the final temperature of the gas is k.

The combined gas law says: (P₁*V₁)/T₁=(P₂*V₂)/T₂ where P is the pressure in Pascals, V is the volume in m³ and T is the temperature in degrees Kelvin. 

P₁=1.82 atm= 184411.5 Pa 
P₂= 1.41 atm =142868.3 Pa
V₁=18.7 m³
V₂=25.1 m³
T₁=353 K
T₂=?

Lets solve the combined gas equation for T₂:

T₂*(P₁*V₁)/T₁=(P₂*V₂), 

T₂*(P₁*V₁)=(P₂*V₂)*T₁

T₂={(P₂*V₂)*T₁}/(P₁*V₁)=367.07 K=367 K

So the final temperature is T₂=367 K. 

Ihope you find the answer

Ohm's law tells you that i = v/r where v is equivalent voltage and r is equivalent resistance of the circuit
since all circuits have the same voltage, your question is really asking which circuit has the lowest total resistance, since the lower the resistance, the higher the current
circuit a has a resistance of 5 ohms; circuit c is in series so has a resistance of 10 ohms; circuit b is in parallel and therefore has a resistance of 2.5 ohms (review your notes on adding resistances in parallel and series); therefore b has the highest current