The standard molar entropy of Cl2 is 223.08 J. mol. K-l at P = 1.00 atm. For this molecule, v = 560 cm1, and the ground electronic state degeneracy is one. Part A Using this information, determine the bond length of Cl2. Express your answer with the appropriate units. µA Value Units Submit Request Answer

How many unique protons are present in the following molecules? CF3 CF 3 OCH3 "CH3

Consider a container with a frictionless piston that contains a given amount of CO₂- Assume that the behavior of this gas can be described by the van der Waals equation of state. For carbon dioxide gas (CO₂), the constants in the van der Waals equation are a=0.364 J- m³/mol and b=4.27 x 10 m³/mol. -5 Let's assume that initially the external pressure is 22.0 bar, which is the sum of a 1 bar atmospheric pressure and the pressure created by a very large number of very small pebbles that rest on top of the piston. The initial volume of gas is 0.5 L and the initial temperature is 25°C. Now, you will increase the volume of the gas by changing the external pressure slowly in a way that guarantees that the temperature of the system remains constant throughout the process. To do this, imagine you remove the pebbles one by one slowly to increase the volume by an infinitesimal amount. Every time you remove a weight you allow the system to equilibrate. Your cylinder is immersed in a water bath at…

4) Use data for AG°f to calculate equilibrium constants for each reaction at 25C: a) C(s - graphite) C (s-diamond) J b) 4 Ag + O₂ = 2 Ag₂O R=631 Mal R

Answer the following questions with complete/step-by-step solutions: (Note: The following problems are interconnected to each other.) Problem 1. A quantity of an ideal gas in an isolated system is expanded isothermally and reversibly at 400 degrees Kelvin from a volume V1 to V2. During the expansion the gas absorbs 200 calories of heat from the reservoir in contact with it. Find (a) the entropy change of the gas, (b) the entropy change of the reservoir and (c) the entropy change of the whole system. Problem 2. If the gas in problem 1 is expanded from V1 to V2 isothermally but irreversibly at 400 degrees Kelvin with an absorption of 100 calories of heat, what will be the entropy changes for (a) the gas, (b) the reservoir, (c) the complete system? Problem 3. Suppose the gas in problem 1 expands freely from V1 to V2 at 400 degrees Kelvin. What will be the entropy changes for (a) the gas, (b) the reservoir, and (c) the entire system?

the probabilities of states of independent systems X and Y are given by tables: xi x1 x2 pi 0,3 0,7   yi y1 y2 pi 0,4 0,6 find the entropy of the combined system (X, Y).