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Question- The decomposition of cyclopropane has a rate constant of 6.7 x 10-4 s-1. If the initial concentration of cyclopropane is 1.50 M, what is the concentration of cyclopropane after 650 s?
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Choose the selection which lists the following substances in order of increasing boiling point (lowest boiling substance listed first)
The addition of solid NaSO4 to an aqueous solution in equilibrium with solid BaSO4 will cause what? Ksp at 20 degrees C of BaSO4(s) = 1.5 x10^-9
A hypothetical metal has a simple cubic unit cell with the edge length of 4.123 Å. Calculate the radius of the metal atom.
if a sample of gas has fixed volume, and under a standard atmosphere of pressure, if its temperature is raised from 20 degrees celsius to 40 degrees celsius
It is well known that the element magnesium has three naturally occurring isotopes. Mg-24 represents 79.0% of all magnesium atoms, Mg-25 accounts for 10.0%, and Mg-26 is the remaining 11.0%.
Describe fluorescence and phosphorescence. Use PE curves to help compare and contrast the two terms. Also discuss why the two occur on different timescales and indicate portions on the PE curve
the enthalpy of combustion of c12h22o11is -5652 a 2.5 g sample of lactose was burned in a calorimeter that contained
Show the reaction equation for when sodium carbonate is added to acetic acid Show the reaction equation of acetic acid and dilute sulphuric acid. Potassium manganate is also added.
Calculate the potential of the reaction of Ce4+ and Fe2+ under standard conditions. Using the equation, nFE=RTlnK, calculate the equilibrium constant for this reaction.
Problem- Why is acetyl-CoA an optimal intermediate for entry into the Citric acid cycle compared to any other intermediate
assume that core electrons completely shield valence electrons from the full charge of the nucleus and that valence
54g of a certain metal at 98 degree Celsius was placed into 80ml of water at 297K. Assuming no heat is lost to the surrounding, what is the temperature of the water and the metal
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