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What is the voltage at 25degrees C for the Voltaire cell of Ni and Ag electrodes if the Ni electrode is dipped into solution of .05 M NiCl2 and the Ag electrode is dipped into a solution of 2M AgNO3
Rather than weigh the sample on a balance a chemist wants to dispense the liquid using a pipette. What volume (in mL) should she measure out?
consider the following equilibrium system H2(g)+ Br2(g)=2HBr(g) Keq= 14.8 A closed container is initially filled with equal moles of H2 and Br2.When equilibrium is reached the (HBr) is 0.329 mol/L What is the initial (H2)
At what temperature would the rms speed of H2molecule be same?
Write down the electron configuration of the B+ ion using the noble gas core notation and What you will expect for the molecular formula, C7H6O2( Benzoic acid) if Determination of The molar mass of benzoic acid
the neutralization of HCL with NaOH at 25 degrees celsius is -79.9 kj/mol. Calculate the equilibrium constant for the reaction.
The united states FDA requires that any product called vinegar contains at least 4% by weight of acetic acid. assuming that the density of vinegar is the same as water
Ice floats on water. For most other substances however, the solid sinks in the liquid. Classify each of these statements as true for water, or true for most other substances.
You have 47.2 mL of a solution of copper(II) chloride (CuCl2?). You need to determine the concentration of Cu2+ in the solution gravimetrically.
Calculate the steric strain for the most stable chair conformer and for a less stable conformer for the following
Find the volume of a molar solution - What volume of a 0.250 molar solution of silver nitrate, AgNO 3 , is required to react with 18.6g of potassium phosphate
With aqueous H2CrO4, compound A was oxidized to an optically inactive dicarboxylic acid C, C6H10O4. Give structures for compounds A, B, and C; do not specify stereochemistry
What is the molarity of a solution prepared by dissolving 3.50 mol NaCl in enough water to make 1.50 L of solution
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