Asample of he gas (3.0 l) at 5.6 atm and 25°c was combined with 4.5 l of ne gas at 3.6 atm and 25°c at constant temperature in a 9.0 l flask. the total pressure in the flask was atm. assume the initial pressure in the flask was 0.00 atm.

3.6667

Explanation:

For helium gas:

Using Boyle's law  

Given ,  

V₁ = 3.0 L

V₂ = 9.0 L

P₁ = 5.6 atm

P₂ = ?

Using above equation as:

The pressure exerted by the helium gas in 9.0 L flask is 1.8667 atm

For Neon gas:

Using Boyle's law  

Given ,  

V₁ = 4.5 L

V₂ = 9.0 L

P₁ = 3.6 atm

P₂ = ?

Using above equation as:

The pressure exerted by the neon gas in 9.0 L flask is 1.8 atm

Thus total pressure = 1.8667 + 1.8 atm = 3.6667 atm.

conduction is the transfer of thermal energy (heat in transfer) due to collisions between the molecules in the object. collisions between adjacent atoms and molecules transfer kinetic energy from the warmer to the cooler object. the objects must be in physical contact.