A 75.0mL. sample of 1.48*10-2 MNa2S04 (aq) is added to 75.0mL. of1.22*10-2 M Ca(NO3)2 (aq). What percentageofCa2+ remains unprecipitated?
Sketch the [1-10] direction within the (111) plane realtive to a fcc unit cell. Include all atom-center positions within the plane of interest
Write the name of the major organic product obtained from thereaction between: a) styrene and 1 mol H2 over Pdb) butylbenzene and sodium dichromate (Na2Cr2O7) in thepresence of acidc) m-nitroisopropylbenzene and potassium permanganate(KMnO4) in the presence of waterfollowed by acid
Type in the name of the organicproduct Aproduced by the reactionbelow.
A sample of bananas in water is found to have a [H3O1+] = 2.51 x 10-5M. What is the pH of the solution? Are bananas acidic (A), basic (B), or neutral (N)?
Indicate the product of this acid-base reaction: HCL + CH3=O=CH3
Can someone please help me? I don't understand this at all.Draw the exo and endo product for the reaction of cyclopentadiene and maleic anhydride. Which one will be favored?
How many different sets of chemically equivalent protons are present?(CH3)3H
HCl(g) was dissolved in a 0.080M KCN solution until the Cl- concentration was 0.010M. What is the pH of the solution? (HCN pKa=9.22)
How would each of the following affect the accuracy of the calculated neutralizing power of antacid (too high, too low, or no effect) a. The titration flask was wet with distilled water when the antacid was added. b. The buret was not rinsed with NaOH solution before titrating, and water was in the tip. c. The antacid was not cut in half exactly before weighing. d. The solution mixture of reacted antacid and excess HCl spattered out of the flask during boiling.
how much nitric acid (HNO3), in grams is needed to produce 2.00 moles of water in the chemical reaction.Fe2O3 + 6 HNO3 ===> 2Fe(NO3)3 + 3 H2O
20.Which of the following structures has carbon atoms which areall sp3-hybridized? A. B. C. D. E.
Draw newman projections of six conformers of 2-chloropentane focusing on C2-C3 bond.
Draw the skeletal structure of the major organic product in each of the reactions.
WA + SB titration: HCN with KOH, at the 5 spots in the titration, plus choosing the indicator.a. initial pHb. after 10.00 mL of KOH have been addedc. 1/2 way to the equivalence pointd. at the equivalence pointe. 5.00 mL after the equivalence pointf. which indicator would you choose to signal the endpoint, and why?
For each of the following reactions, calculate (Delta)H rxn at 28 degrees celcius:A) 2CH4(g)--> C2H6(g)+H2(g)B) 2NH3(g)--> N2H4(g)+H2(g)C) N2(g)+O2(g)--> 2NO(g)D)2KCLO3(s)--> 2KCL(s)+3O2(g)
a 0.1025 g samle of copper metal is dissolved in 35 ml of concentrated HNO3b to form CU+2, ions and then water is added to make a total volume ofd 200.0 ml. How tocalculate molarity of CU 2+?