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Violet light falls on two slits that are separated by 1.90x10^-5m. The first order bright line appears 13.2mmfrom the central bright line on a screen 0.600m from the slits. Calculate the wavelength of violet light
The extent of dissociation of the acid is less when pka value increases. Shouldn't the weak acid dissociate more as the pka increase?
How is the effect of a catalyst observed and described qualitatively in Enzymatic Catalysis experiment
what are the practical properties of acetone and detailed explanation of its properties.
if all of the atoms in a penny were to form a very thin coating onanother object a monolayer that is one atom thick
Use reduction-potential values to explain which halides can be oxidized by Fe3+ or by MnO4- in acidic solution?
Calculate the pH of the acid solution before any NaOH has been added. Calculate the pH of the analyte after 10.00mL of 0.100 M NaOH has been added. Calculate the pH of the analyte of the equivalence point. Calculate the pH of the analyte after add..
The Ka of lactic acid, HC3H5O3, is 1.410?4. (a) Suppose buffer #1 is prepared using 40.0 mL 0.1 M HC3H5O3 and 60.0 mL 0.1 M C3H5O3- to give a final volume of 100.0 mL. What is the pH of this buffer
What is the percent hydrogen (H) by weight of a solution containing 53.5 mL of CH3COCH3? The density of acetone is 0.788 g/mL.
A 4.50 g sample of NaOH at 25°C dissolves in 75.0 mL of water also at 25.0°C. The final equilibrium temperature of the mixture is 40.5°C. What is the enthalpy of solution, ?Hs, of NaOH expressed in kilojoules per mole
the reaction of 0.779 g k with oltsubgt2ltsubgt forms 1.417 g potassium superoxide a substance used in self-contained
1 a student determines the molar mass of acetonech3coch3 by the method used in thisexperiment. she found that the
The problem from mineral processing class. Need to find the number of grinding balls required. I know that we need to find two volumes first, but not sure which formula. Could someone help me?
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