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On my test the professor gave us the rate parameters of A and temperature of 298K. We were asked to determine the activation energy. That the Arrhenius equation is LnK= LnA-Ea/RT. nevertheless he didn't give us the rate constant "K" instead he gave us the rate. Explain how determine activation energy using the rate.
Can anyone suggest a simple method for the separation of phenol from a solution which contains both phenol and cyclohexanol
If not how much powder remains undissolved. If so, how much more powder can be dissolved before a saturated solution is reached
A 5.0 L sample has a pressure of 5.0 atm. What is the volume of the anesthetic given to a patient at a pressure at a pressure of 1.0 atm?
What is the experimental yield (in g of precipitate) when 15.4 mL of a 0.6 M solution of iron(III) chloride is combined with 19.8 mL of a 0.719 M solution of lead(II) nitrate at a 80.1% yield
Rubidium has two common isotopes, 85Rb and 87Rb. If the abundance of 85Rb is 72.2% and the abundance of 87Rb is 27.8%, what is the average atomic mass of rubidium.
a company tries to reduce all lead-times by 50 percent. there is a discussion concerning the impact of this change. as
This leaves the aspartic acid amine group and the side chain carboxylic acid functional group of aspartic acid. Find the values for these two groups of as partic acid and calculate a predicted pI value for aspartame
what mass of sodium chloride would need to be added to the blood to bring the sodium ion concentration up to 0.137 m
sample of h2o with a mass of 46.0 grams has a temperature of -58.0 c. how many joules of energy are necessary to heat
14 g of Si reacts with 16 g of O to produce SiO2, the only product, with no reactant left over. How much SiO2 would be produced from 34 g of Si and excess O?
Calculate the pH of a solution formed by mixing 65 mL of 0.30 M NaHCO3 with 75 mL of 0.30 M Na2CO3
Why do compounds change color when separation by TLC was repeated and dipped in an acid soultion?
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