Answer:
The final pressure is 2.25 atm or 1710 mm Hg
Explanation:
Step 1: Data given
The initial volume = 28.4 L
The initial pressure = 725 mm Hg ( = 725/760 atm) = 0.953947 atm
The initial temperature = 305 K
The new volume is 14.8 L
The new temperature = 375 K
Step 2: Calculate the new pressure
(P1*V1)/T1 = (P2*V2)/T2
⇒ with P1 = the initial pressure = 725 mmHg = 0.953947 atm
⇒ with V1 = the initial volume = 28.4 L
⇒ with T1 = The initial temperature = 305 K
⇒ with P2 = the new pressure = TO BE DETERMINED
⇒ with V2 = the new volume = 14.8 L
⇒ with T2 = the new temperature = 375 K
(0.953947 * 28.4)/305 = (P2 * 14.8)/375
P2 = 2.25 atm = 1710 mm Hg
The final pressure is 2.25 atm or 1710 mm Hg
Answer: The entropy change of the surroundings will be -17.7 J/K mol.
Explanation: The enthalpy of vapourization for 1 mole of acetone is 31.3 kJ/mol
Amount of Acetone given = 10.8 g
Number of moles is calculated by using the formula:

Molar mass of acetone = 58 g/mol
Number of moles = 
If 1 mole of acetone has 32.3 kJ/mol of enthalpy, then
0.1862 moles will have = 
To calculate the entropy change for the system, we use the formula:

Temperature = 56.2°C = (273 + 56.2)K = 329.2K
Putting values in above equation, we get
(Conversion Factor: 1 kJ = 1000J)
At Boiling point, the liquid phase and gaseous phase of acetone are in equilibrium. Hence,


Answer:
We might just have to end it together
Explanation:
I tried to answer it now I'm stuck in the same hole -_-
It will probably zip far from you and join itself to an adjacent molecule or atom. it gets to be distinctly radioactive when its core contains an excessive number of or an excessively couple of neutrons. Attempt to keep an indistinguishable number of neutrons and protons from you construct your iota. In the event that the awkwardness is excessively extraordinary, radioactive rot will happen.
Its a 50% chance that approx 1/2 of the pennies will land on tails. The next toss will result the same. and so on and so on. showing how a reaction would slowly eliminate 1/2 of the remaining lives per reaction, until nothing is left. I think it is a good stimulation.