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Question- After I added CO2 to a Grignard reagent in lab, I added some strong aqueous HCl. What was the purpose of this? Give a balanced chemical equation to explain.
I desire help for above question. Illustrate each step for the above problem.
What are the Kb and pKb of a 1.06 *10^-3 M solution of quinine, a drug used in treating malaria, having a pH of 9.75? I calculated and got: Kb = 2.95*10^-17, and pKb = 16.5.
In a battery, water is used as a salt bridge, and the two electrodes are Carbon and Aluminum. Find the standard reduction potential of the battery, and indicate which electrode is the cathode and anode.
When SbCl3(g) (409.0 grams) and 127.1 grams of Cl2(g) in a 120.0 L reaction vessel at 705.0 °C are allowed to come to equilibrium the mixture contains 1.302 mol of SbCl5(g). What is the equilibrium concentration (mol/L) of Cl2(g)? SbCl3(g)+Cl2(g) ..
Problem- Calculate the probability that a particle will be found between 0.49L and 0.51L in a box of length L when it is in state (a) n = 1, (b) n = 2
How long must a constant current of 50.0 A be passed through an electrolytic cell containing aqueous Cu2+ ions to produce 3.00 moles of copper metal
What is the new HPO4^2-/H2PO4- ratio and new pH of solution? The pKa of H2PO4- is 6.64. Use henderson-hasselbach. C) Now take a fresh 60mL of the 0.50M pH of 6.83 buffer and add 3.7mL of 1.00M NaOH. Caclulate the new pH of the solution.
Vanadium has two naturally occurring isotopes,V with an atomic mass of 49.9472 amu andV with an atomic mass of 50.9440. The atomic weight of vanadium is 50.9415.
A 200.0-mL sample of the same tap water required 47.86 mL of the standard EDTA for titration at pH 10 using calmagite indicator. Calculate the molar concentration of Mg2+ in the tap water.
Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese(IV) oxide: 4HCL(aq) + MnO2(s) ----> MnCl2(aq) + 2H2O(l) + Cl2(g)
Question- Using the following information determines the half life of this reaction, assuming there is a single reactant.
Does a precipitate form? Show all calculations. Calculate the concentration of each ion at equilibrium.
Disregarding any other losses and treating the animal as a closed system, what was the change in internal energy of the animal?
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