Answer:3480s⁻¹
Explanation:We can solve the following problem using the Arrhenius equation.
Arrhenius equation is given by:
![K=Aexp[-Ea/RT]](https://tex.z-dn.net/?f=K%3DAexp%5B-Ea%2FRT%5D)
A=Pre-exponential factor or frequency factor
Ea=Activation energy
R=Ideal gas constant
T=Temperature
K=Rate constant
From the Arrhenius equation we can see that the rate constant K is related with the activation energy and frequency factor.
In the question we are given with the following data:
Ea=42KJ/mol=42x 1000 J/mol
A=8.0×10¹ per second
T=298K
R=8.314J/K mol
when we substitute these given values in Arrhenius equation
![K=A{exp[-Ea \div RT]}\\K=8\ \times10^{10} s^{-1}{exp[-42000\div 8.314\times298]}\\K=8\ \times10^{10} s^{-1}{exp[-16.95]}\\K=4.35\times10^{^{-8}}\times8.0\times10^{^{10}}s^{-1}\\K=34.8\times10^{2}s^{-1}\\](https://tex.z-dn.net/?f=K%3DA%7Bexp%5B-Ea%20%5Cdiv%20RT%5D%7D%5C%5CK%3D8%5C%20%5Ctimes10%5E%7B10%7D%20s%5E%7B-1%7D%7Bexp%5B-42000%5Cdiv%208.314%5Ctimes298%5D%7D%5C%5CK%3D8%5C%20%5Ctimes10%5E%7B10%7D%20s%5E%7B-1%7D%7Bexp%5B-16.95%5D%7D%5C%5CK%3D4.35%5Ctimes10%5E%7B%5E%7B-8%7D%7D%5Ctimes8.0%5Ctimes10%5E%7B%5E%7B10%7D%7Ds%5E%7B-1%7D%5C%5CK%3D34.8%5Ctimes10%5E%7B2%7Ds%5E%7B-1%7D%5C%5C)
K=3480s⁻¹
The value of rate constant obtained is 3480s⁻¹.
Answer:
You Need to put in the picture
Explanation:
I cant see it
Answer:
A. a rotten potato gives all of bad smell
Explanation:
B,C,D are all physical changes because we can reverse them back.we can cool the water back to make ice. if the wind passes again we can randomly get the same cloud shape in c. and in d we can make that statue again. but in A can we reverse the rotting process ? ( the enzyme reaction) no we cant because it is a chemical reaction it gives a bad smell because of the chemical changes occuring in it.
hope this helps
This can be, for example, halogensubstituted hydrocarbons.
CCl₄, C₂F₆.
Or halides halocarboxylic acids, and other compounds.
O
II
Cl₃C-Cl
Answer:
They are similar in sense that both cannot dissolve any more solid unless heat or other factors are added. For eg if a solution is saturated it can no longer dissolve the given substance. But if the solution is heated, the solid will dissolved this is now said to be supersaturated.
Explanation:
