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How do you determine the intermolecular forces in molecules based off of the polarity of a given molecule
an unknown compound has the empirical formula ch2. a 0.050-mol sample of this compound weighs 4.20 g. what is the
A .10M solution of the weak acid HCN has an equilibrium constant of 4.9 X 10^-10. Calculate the percent dissociation of the acid
A 20.00 mL solution of nitric acid, HNO3, required 25.7 mL of 0.1313 M NaOH to reach a bromthymol blue end point. What is the concentration of the nitric acid solution
which is mostly Al2O3, is the principal industrial source of aluminum metal. How much aluminum can be produced from 4.50 ton of Al2O3
using henrys law calculate the molar concentration of rm o2 in the surface water of a mountain lake saturated with air
Calculate the wavelength (in picometers) associated with a hydrogen atom moving at a speed of 3.13 x 10^5 cm/s.
If the methane contained in 4.00 of a saturated solution at 25 was extracted and placed under STP conditions, what volume would it occupy?
What is the molarity of the stock solution of luminol? What volume of the stock solution (Part A) would contain the number of moles present in the diluted solution (Part B)?
The original molarity of a solution of formic acid (HCOOH) with a Ka= 1.7*10^-4 whose pH is 4.52 at equilibrium is: A. 8.52 *10^-9 B. 2.24*10^-4 C. 6.78*10^-3 D. 3.54*10^-5 E. 5.32*10^-7
A chemical reaction at equilibrium is heated, briefly, by holding it over a flame. The equilibrium is seen to shift toward the products. What can be said about the enthalpy and entropy of the reaction
the freezing point (5.5 C) and boiling point (80.1 C) of benzene and the temperature difference between these points was divided into 50 units (called X), what would be the freezing and boiling points of water in X
Calculate Delta Ssurr and Delta Stotal at 70 degree. B) Does benzene boil at 70 degree and 1 atm pressure? Calculate the normal boiling point of benzene.
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