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Which statement is true? A state function is one whose value for a system...
What is the law of mass action? Is it true that the value of K depends on the amounts of reactants and products mixed together initially? Explain. Is it true that reactions with large equilibrium constant values are very fast? Explain. There is only one v
What is the law of mass action? Is it true that the value of K depends on the amounts of reactants and products mixed together initially? Explain. Is it true that reactions with large equilibrium constant values are very fast? Explain. There is only one value of the equilibrium constant for a particular system at a particular temperature, but there is an infinite number of equilibrium positions. Explain.
Please answer true or false and explain why for each of them. Thank you 1. Mark...
Please answer true or false and explain why for each of them.
Thank you
1. Mark with T (True) or F (False) (2 points each) • Joule Thompson experiment corresponds to process with constant enthalpy. . The state functions (U.H,G,A) act as thermodynamic potentials when represented as functions of their natural variables. • The Gibbs free energy is equal to the maximum PV work done by the system on the envi- ronment. . The standard enthalpy of formation for any...
Which of the following is a true statement about chemical equilibria in general A
Which of the following is a true statement about chemical equilibria in general A.there is only one set of equilibrium concentrations that equal teh Kc value B.eqauilibrium is the result of cessation of all chemical change C.at equilibrium the rate of the forward reaction is equal to the rate of the reverse reaction D.at equilibrium the total concentration of products equals the total concentration of reactants. that is [products]=[reactants] I am going with C. as correct can you confirm please...
True or False a. The entropy of an open system cannot decrease in a spontaneous process....
True or False a. The entropy of an open system cannot decrease in a spontaneous process. T F b. Given that the equilibrium constant depends on the temperature only, the composition of the equilibrium mixture in a gas reaction is insensitive to the external pressure. T F c. A change in external pressure has no effect on the melting temperature of a pure substance. T F d. A chemical reaction for which the standard reaction Gibbs energy Δ??? is positive...
Which of the following is a hall mark of a state function? Select one: a. Its...
Which of the following is a hall mark of a state function? Select one: a. Its change can be determined by breaking a process up into steps even if you don't know the changes for the individual steps. b. It does not depend upon concentration. c. Its change depends on the path taken from the initial state to the final state. d. It does not depend upon temperature. e. None of the above.
Calculate the standard-state entropy for the following reaction: 1 Al2O3(s) + 3 H2(g) ? 2 Al(s) + 3 H2O(l) (If applica...
Entropy, denoted by the symbol S, is the thermodynamic property describing the amount of molecular randomness or disorder in a system. It is a state thermodynamic function, meaning that its value does not depend on the path used to arrive at a specific set of conditions. Each system with a specified temperature, pressure, and composition has a unique entropy value. The entropy change, ΔS, is the difference in entropy between two states of a system, such as between the reactants and...
A Which one of the following will change the value of an equilibrium constant? a) Varying the initial concentrations of...
A Which one of the following will change the value of an equilibrium constant? a) Varying the initial concentrations of reactants b) Varying the initial concentration of products c) Changing the volume of the reaction vessel d) Changing temperature e All of the above 5) The equililbrium constant for the gas phase reaction N2(g)+3H2(g) 2NH,(g) is Keg 4.34 x 10 at 300°C. At equilibrium a) products predominate b) only products are present reactants predominate d) only reactants are present roughly...
Please answer all 3 questions QUESTION 23 Which of the following statements are true? 1. ethanol...
Please answer all 3 questions
QUESTION 23 Which of the following statements are true? 1. ethanol is more soluble in water than dimethyl ether 2. ethanol has a higher boiling point than dimethyl ether 3. ethanol has the same molecular weight as dimethyl ether only 1 only 1 and 2 only 1 and 3 1, 2 and 3 QUESTION 24 In a unimolecular elimination (E1) reaction, the correct order of mechanistic steps is dissociation of the leaving group, then deprotonation...
4. The enthalpy H may be written as a function of temperature T and pressure P. If we have a system whose composition remains constant and using Maxwell's equations and the total differential, we...
4. The enthalpy H may be written as a function of temperature T and pressure P. If we have a system whose composition remains constant and using Maxwell's equations and the total differential, we can write dH as avdP where Cp is the heat capacity at constant pressure and the subscript of P on the partial derivative represents the partial of volume with respect to temperature holding pressure connstant. Find the change in enthalpy (A) for an ideal gas undergoing...
1. Mark with T (True) or F (False) (2 points each) • A Joule Thompson experiment...
1. Mark with T (True) or F (False) (2 points each) • A Joule Thompson experiment corresponds to a process with constant enthalpy • The state functions (U.H.G.A) act as thermodynamic potentials when represented as functions of their natural variables. • The Gibbs free energy is equal to the maximum PV work done by the system on the envi ronment • The standard enthalpy of formation for any pure element in its reference state is temperature dependent • The phase...
Please answer true or false and explain why for each of them.
Thank you
1. Mark with T (True) or F (False) (2 points each) • Joule Thompson experiment corresponds to process with constant enthalpy. . The state functions (U.H,G,A) act as thermodynamic potentials when represented as functions of their natural variables. • The Gibbs free energy is equal to the maximum PV work done by the system on the envi- ronment. . The standard enthalpy of formation for any...
A Which one of the following will change the value of an equilibrium constant? a) Varying the initial concentrations of reactants b) Varying the initial concentration of products c) Changing the volume of the reaction vessel d) Changing temperature e All of the above 5) The equililbrium constant for the gas phase reaction N2(g)+3H2(g) 2NH,(g) is Keg 4.34 x 10 at 300°C. At equilibrium a) products predominate b) only products are present reactants predominate d) only reactants are present roughly...
Please answer all 3 questions
QUESTION 23 Which of the following statements are true? 1. ethanol is more soluble in water than dimethyl ether 2. ethanol has a higher boiling point than dimethyl ether 3. ethanol has the same molecular weight as dimethyl ether only 1 only 1 and 2 only 1 and 3 1, 2 and 3 QUESTION 24 In a unimolecular elimination (E1) reaction, the correct order of mechanistic steps is dissociation of the leaving group, then deprotonation...
4. The enthalpy H may be written as a function of temperature T and pressure P. If we have a system whose composition remains constant and using Maxwell's equations and the total differential, we can write dH as avdP where Cp is the heat capacity at constant pressure and the subscript of P on the partial derivative represents the partial of volume with respect to temperature holding pressure connstant. Find the change in enthalpy (A) for an ideal gas undergoing...
1. Mark with T (True) or F (False) (2 points each) • A Joule Thompson experiment corresponds to a process with constant enthalpy • The state functions (U.H.G.A) act as thermodynamic potentials when represented as functions of their natural variables. • The Gibbs free energy is equal to the maximum PV work done by the system on the envi ronment • The standard enthalpy of formation for any pure element in its reference state is temperature dependent • The phase...
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