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Cyanide ions are oxidized by the permanganate ions in basic solution according to unbalanced equation:
CN- + MnO4- → MnO42- + CNO-
What volume of 0.0020 M MnO4- solution are needed to oxidize 1.00 L of 4.0 × 10-3 M CN- solution?
Calculate the pH of of a solution prepared by mixing 60.0 mL of 0.160 M HCl with 15.0 mL of water. How much antacid containing 400.0 mg of Mg(OH)2 in 5 mL of water is needed
Zinc reacts with hydrocholric acid according to the reaction equation. Zn(s) + 2HCl(aq) arrow ZnCl2(aq) + H2(g) How many milliliters of 2.50 M HCl(aq) are required to react with 7.5 g of Zn(s)
Why is there a difference between the conduction of glacial acetic acid (CH3COOH) and 0.1 M Acetic acid (CH3COOH)? Please explain in detail.
if the initial pressures of the h2 and n2 in the flasks were 360 torr and 240 torr respectively what would be the final
give examples of different oxides and halides that the 1st row d block metals can form. which ones can form more than 1
A lactic acid/lactate ion buffer solution contains 0.24 M HC3H5O3 and 0.82 M C3H5O3^-, respectively. The Ka value of lactic acid is 1.4*10^-4. Calculate the of this buffer. Express the pH numerically.
Which of the following ions is least likely to form colored compounds? A) Mn2+ B) Cr5+ C) Sc3+ D) Fe3+ E) Co2+
Explain milk sours in about 20h at 28 degrees Celsius. Stored in a refrigerator at degrees Celsius, milk sours in about 10 days. Explain what is the activation energy for souring of milk
The overall reaction for the corrosion of iron by oxygen is given by the following reaction. 4Fe (s) + 3O2 (g) 2Fe2O3 (s) Compound ?H° (kJ/mol) S° (J/mol K) Fe (s) 0 27 O2 (g) 0 205 Fe2O3 (s) -826 90 Calculate the G° for the reaction at 298K and ..
Transesterification occurs when an alcohol (in excess) reacts with an ester. Draw the skeletal structure of the ester formed when ethyl propanoate (propanoate = propionate) reacts with 1-propanol.
1. a researcher mixed 5.00 ml of 2.03 x 10-1 m feno33 with100.00ml of 2.05 x 10-3 m kscn using 5.0 x 10-1 m hno3
The melting point of a newly discovered element is 1935.4°F. Express this temperature in degrees Celsius.
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