0
I'm taking an awesome chemistry final tomorrow. So, I'm not a massive failure at this:
k=mol/liters
Kc can only determine by experiment , not by evaluations of equations. so when writting the eq of Kc= [] products /[reactants], do not use units for [], as Kc has no units. Kc, only affected by temperature...
Wiki User
∙ 13y ago
Add your answer:
Earn +20 pts
Which of the following factors does not affect thr equilibrium of a chemical reaction when it is changed?
The value of the equilibrium constant K is only influenced by temperature.
What generalizations about an equilibrium constant can be made if the value for K is large?
It will take a short time to reach equilibrium It will take a long time to reach equilibrium The equilibrium lies to the right The equilibrium lies to the left Two of these One of those answers...
The value of the gas constant is?
Values of general gas constant are: (value dependant on units) R = 0.08205746 [atm. ℓ.mol-1.K-1] R = 8.314472 [Pa.m3.mol-1.K-1 or J.mol-1.K-1] R = 1.99 [Cal.mol-1.K-1]
What is the value and units of the molar gas constant?
R = 0.082 ATM L/mol K
What is the significance of Kc in equilibrium expression?
Kc is the equilibrium constant.
What is the difference between q and K in determining an equilibrium constant?
K is the equilibrium constant, Q is a concentration.
Why does constant Kc in chemical equilibrium has no units?
Kc is the equilibrium constant and is the ratio of the activity of the reactants (numerator) to the activity of the product (denominator). The activity of each component is raised to the power of its corresponding chemical stoichiometric coefficient. Since the activity of each chemical is unitless, the equilibrium constant will also have no units. Example: For equilibrium of chemicals in the gas phase, each activity will be measured by its partial pressure (units of pressure) multiplied by its fugacity (units of 1/pressure), so the activity of each gas participating in the equilibrium will be unitless, and the corresponding ratio (Kc) will be unitless.
When a reaction system is at equilibrium the rates of the reaction in the forward and reverse directions are?
Equal to one another. K= k1/k-1 where k1 is the forward reaction, k-1 is the backwards reaction and K is the equilibrium constant.
Does a large equilibrium constant mean that the reaction must be rapid?
NO!!! A large Equilibrium Constant means that nearly all the reactants have been used up to reach the equilibrium. Conversely a small K(eq) indicates that equilibrium is reached when very little of the reactants have been used.
Which of the following factors does not affect thr equilibrium of a chemical reaction when it is changed?
The value of the equilibrium constant K is only influenced by temperature.
What can you get from hooke's law?
Mathematically, Hooke's law states that: F = -kx, Where, x is the displacement of the end of the spring from its equilibrium position (in SI units: "m"); F is the restoring force exerted by the material (in SI units: "N" or kgms-2); and k is the force constant (or spring constant) (in SI units: "N·m-1" or "kgs-2"). 　 　
If the temperature of a reaction increases what happens to the value of the equilibruim constant?
Equilibrium constant changes when temperature changes. For an endothermic reaction, the equilibrium constant increases with temperature while for an exothermic reaction equilibrium constant decreases with increase in temperature. Equilibrium constants are only affected by change in temperature.
Find equilibrium constant of the reaction?
eqb constant k For a general EQN A+B=S+T the equilibrium constant can be defined by[1] k={S}{T}/{A}{B} {S} = MOLAR CONC. OF S{T} = MOLAR CONC. OF T{A} = MOLAR CONC. OF A{B} = MOLAR CONC. OF B
What generalizations about an equilibrium constant can be made if the value for K is large?
It will take a short time to reach equilibrium It will take a long time to reach equilibrium The equilibrium lies to the right The equilibrium lies to the left Two of these One of those answers...
If the ideal gas constant has a value of 0.0821 what are its units?
L •atm/mole•k
If the ideal gas constant has a value of 0.0821 what are the units?
L •atm/mole•k
How do you calculate the work done in extending a spring using hooke's law?
The extension of a spring is in direct proportion with the load added to it as long as this load does not exceed the elastic limit.F = -kxwhereF is the restoring force exerted by the material (in SI units: N);x is the displacement of the end of the spring from its equilibrium position (in SI units: m);k is the force constant (or spring constant) (in SI units: N·m-1 or kgs-2).
