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Rank PhCH3, Ph2CH2, and Ph3CH in order of acidity Rank the following compounds from most acidic to least
NaOH (aq) are required to neutralize 25.0 mL of HCl (aq). Calculate the concentration of the hydrochloric acid solution.
What mass of ethanol, C2H5OH a nonelectrolyte, must be added to 10.0 L of water to give a solution that freezes at -10.0C? Assume the density of water is 1.0 g/mL. Kf of water is 1.86C/m.
Synthesized a new compound one which has never beenprepared. How would you determine its mp? What precautions could take to insure that it is as accurate as possible?
The equilibrium constant, Kc, for the following reaction is 1.29E-2 at 600 K: COCl2(g) CO(g) + Cl2(g)
when the following five solutions are mixed together, only one reaction occurs. write the net ionic equation for that precipitation reaction. KCl(aq),Cu(NO3)(aq),AgNO3(aq),CaCl2(aq),and Ba(No3)2(aq)
2.05 mL of a sodium hydroxide solution is needed to react completely with 0.5210 g of KHP (molar mass+204.22) What is the concentration of the sodium hydroxide solution
In the formation of diacetylferrocene, the product is always the one in which each ring is monoacetylated. Why is no diacetylferrocene produced in which both acetyl groups are on the same aromatic ring?
It takes 1.35 kJ of energy to heat a sample of pure silver from 12.0°C to 15.5°C. Calculate the mass of the sample of silver.
Unit Conversions A solution (? = 1.03 g/mL) that is a mixture of water and 5wt% sufuric acid (H2SO4) ?ows through a 45-m long pipe with a 6.0 cm diameter at a rate of 87 L/min. a. What is the molarity (mol/L) of sulfuric acid in the solution?
what mass in grams of a 0.5 m solution of sodium acetate in water would you use to obtain 0.150 mol of sodium acetate
(a) An electroplating solution is made up of nickel(II) sulfate. How much time would it take to deposit 0.500 g of metallic nickel on a custom car part using a current of 3.00 A
Before the reaction, the volume of hte system was 6.60L. After the reaction, the volume of the system was 2.00L. Calculate the total internal energy change, Delta U, in kilojoules
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