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The diagram shows four states of a system, each with a different internal energy. State B...
The diagram shows four states of a system, each with a different internal energy. State B AE, State C AE al energy, E State A Which of the states of the system has the greatest internal energy? State D State B State A State C
The diagram above shows the free energy G for several possible
states (gray lines) of a chemical reaction. The black arrows
represent possible transitions between these states, and the
brackets represent the corresponding free energy differences.
Consider the meaning of the different terms in the relation:
?G = ?G°' + RTlnQ
Select the option which most closely corresponds to each
description.
Question 7 (1 point) Standard conditions Actual conditions 0 Equilibrium The diagram above shows the free energy G for...
The
pV diagram shows three possible paths for changing a system from an
initial state, represented by point 1, to a final state,
represented by point 2. “For which path is the change in internal
energy of the system to least?”
A. Path 1-4-2
B. Path 1-3-2
C. Path 1-2
D. The change in internal energy of the system is the same for
all these paths
●2 3 ●4
The diagram below shows the first four energy levels in a hydrogen atom. Illustrate the allowed transition from the excited state to the ground state with an arrow that releases the shortest wavelength radiation. Explain. Then answer questions a & b.
Question 1 A Markov process has two states A and B with transition graph below. a) Write in the two missing probabilities. (b) Suppose the system is in state A initially. Use a tree diagram to find the probability B) 0.7 0.2 A that the system wil be in state B after three steps. (c) The transition matrix for this process is T- (d) Use T to recalculate the probability found in (b.
Question 1 A Markov process has two...
The state of an ideal gas can be represented by a point on a PV (pressure-volume) diagram. If you know the quantity of gas, n, a unique point in pressure (P) and volume (V) can be used to determine a temperature (T). Each point on a PV diagram also has a single internal energy (U) assigned to it. If a process starts at a point and returns to that same point on a PV diagram, it returns to the same...
Calculate the internal energy, entropy and the equation of states for a system composed of N indistinguishable and non-interacting particles with the partition function (9) given below (a, b and C are constants): q = C(kt)}(V – Nb) eVKY
The internal energy, U, is the total energy of a system. For any isolated system, the internal energy is constant. U is a state function, meaning that any path used in calculating AU ill result in the same answer. For any pure substance or fixed mixture of substances, the internal energy, U, can be determined from any two of the variablesP, V, and T. It is often most convenient to choose V and T as the variables. It is helpful,...
For the hydrogen atom: a) How many different 3d states are there? b) What physical property of properties (as opposed to quantum numbers) distinguishes them, and what different values may this property or these properties assume? c) Identify all the different total angular momentum states (sets of {j, mj}) that a 3d electron can occupy. d) An external magnetic field much stronger than the atom's internal, self-generated magnetic fields is applied to the atom. Into how many distinct energy levels...
Artificial rubies have an atomic system consisting of three main energy levels and can be used to produce short pulses of laser light. The energies of these levels are Eo, E1 and E2, in increasing order of energy (a) Write down an expression giving the relative population of the energy levels Eo and E1 at thermal equilibrium. b) Explain what is meant by the term population inversion. Described how this is achieved in a three-level laser system Photons of wavelength...