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Draw major organic product of: Hexanoyl chloride & 2 equivalents of methyl amine (H2NCH3)
Assume you dissolve 6.73 grams Na2CO3 in enough water to make 250 mL of solution. What is the molarity of the sodium carbonate?
Equal volumes of cold 4.184M NaOH at 20C and warm 4.184M HCl at 77.3C are mixed together in a highly efficient calorimeter. what is the final temperature of the solution
Consider the neutralization reaction that takes place when phosphoric acid reacts with aqueous potassium hydroxide
Assume your solution contains lead and iron but not silver or nickel. Explain how will you know that: - Either silver or lead is present ( that is, describe what you will see that will tell you at least one of these is there)
Write the structure for each functional group. Give an example of a molecule with a functional group and name appropriately.
What is the hydronium ion concentration in an aqueous hydrochloric acid solution that has a pOH of 11.540 ?
compound noradrenaline contains 56.79% C, 6.56% H, 28.37% O, and 8.28% N by mass. What is the empirical formula for noradrenaline?
The specific heat of Al and water are 0.90 J/(goC) and 4.184 J/(goC), respectively. Calculate the equilibrium temperature.
If 85.0 mg of fluorine-18 is shipped at 8:00 a.m., how many milligrams of the radioisotope are still active if the sample arrives at the radiology laboratory at 1:30 p.m. ?
Draw the skeletal structure for major organic product produced when the arene given reacts with 2 equivalents each of Na and HOCH3
The solubility product of Mg(OH)2 is 1.2E-11. What minimum OH- concentration must be attained (for example, by adding NaOH) to decrease the Mg2+ concentration in a solution of Mg(NO3)2 to less than 1.9E-10 M?
A gaseous mixture of O2 and Kr has a density of 1.104 g/L at 435 torr and 300K. What is the percent of O2 in the mixture?
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