# chem thermo

consider a system consisting of 2.0mol co2(g) initially at 25c and 10atm and confined to a cylinder of cross section 10.0cm2. it is allowed to expand adiabatically against an external pressure of 1.0atm until the piston has moved outwards through a 20cm. assume that co2 is a perfect gas with C vm=28.8J/K/MOL and calculate q,w,u,t,s

1. 👍
2. 👎
3. 👁
1. 3.6(a) Consider a system consisting of 2.0 mol CO2(g), initially at 25°C and
10 atm and conﬁned to a cylinder of cross-section 10.0 cm2
. It is allowed to
expand adiabatically against an external pressure of 1.0 atm until the piston
has moved outwards through 20 cm. Assume that carbon dioxide may be
considered a perfect gas with CV,m = 28.8 J K−1
mol
−1
and calculate (a) q, (b) w,
(c) ΔU, (d) ΔT, (e) ΔS.

1. 👍
2. 👎

## Similar Questions

1. ### statistics

Suppose that each unit of a system is up with probability 2/3 and down with probability 1/3. Different units are independent. For each one of the systems shown below, calculate the probability that the whole system is up (that is,

2. ### Chemistry

Consider the following equilibrium: H2CO3 (aq) ↔ H2O (l) + CO2 (g) Which direction will the equilibrium shift (left or right) if we: Increase the pressure by decreasing the volume of the system: Increase the pressure by adding

3. ### chemistry

calculate the concentration of CO2 in a soft drink after the bottle is opened and equilibrates at 25C under a CO2 partial pressure of 0.0003 atm. c=KP henry's law k=? P=0.0003 atm. how to solve

4. ### Physics

A block and tackle system of pulleys consisting of 5 pulleys is used to raise a load of 500 N through a height of 12m. If the total work done by the system is 7200 J. calculate the 1. Work done against friction 2. Efficiency of

1. ### Chemistry

I'm working on a problem that says: A 4.00 gram sample of a mixture of CaO and BaO is placed in a 1.00 L vessel containing Co2 at a pressure of 730 torr and a temperature of 25C. The CO2 reacts with the CaO and BaO forming CaCO3

2. ### chemistry

A mixture consisting of 1 mol of H2O (g) and 1 mol CO (g) is placed in a 11 L reaction vessel at 800 K. At equilibrium 0.647 mol CO2 (g) is present as a result of the reaction: CO(g) + H2O (g) --> CO2(g) + H2 What is K(equilibrium

3. ### chemistry

If 1.00 mol each of carbon dioxide and hydrogen is initially injected into a 10.0-L reaction chamber at 986 degrees Celsius, what would be the concentrations of each entity at equilibrium? CO2(g) + H2(g) „²„³ CO(g) + H2O(g)

4. ### Chemistry

The measured pH of a 0.100M solution of NH3(aq) at 25C is 11.12. Calculate Kb for Nh3(aq)at 25C.

1. ### Chemistry

The Kc for the following reaction at 940oC is 1.38. Given the concentrations [CO2] = 0.500 M, [H2] = 0.425 M, [CO] = 0.610 M and [H2O] = 0.695 M, one can conclude that: H2(g) + CO2(g) ↔ CO(g) + H2O(g) Question 8 options: A) the

2. ### CHemistry

CH4(g) + CO2(g) 2CO(g) + 2H2(g) Kp = 4.5 x 10^2 at 825 K An 85.0 L reaction container initially contains 22.3 kg of CH4 and 55.4 kg of CO2 at 825 K. Assuming ideal gas behavior, calculate the mass of H2 present in the reaction

3. ### AP CHEMISTRY

Consider the reaction. PbCO3(s) PbO(s) + CO2(g). calculate the equilibrium pressure of CO2 in the system at the following temperatures.(IN atm) (a) 270°C (b) 480°C ..... delta Hf(KJ/mol).. d.Gf(KJ/mol).. S(J/mol-K)