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Balance the subsequent redox equation using half reactions as well as the ion-electron method. Then define what was oxidized and reduced by providing oxidation numbers/states.
MnO4- + I- ? I2 + Mn2+
An organic compound has a molecular mass of 294.2 and contains 81.58% carbon by mass. How many carbon atoms are in each molecule of this compound
Give the orbital designation (1s, 2p, 3d, etc) of electrons with the following combination of principal and azimuthal quantum numbers.
if 27.5 ml of a 0.1 m naoh solution is needed to neutralize 50.0 mlof an hcl solution what was the initial molarity of
How many grams of sucrose (C12H22O11) must be added to 509 g of water to give a solution with a vapor pressure 0.723 mmHg less than that of pure water at 20 degrees C.
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.110 M HClO(aq) with 0.110 M KOH(aq).
please comment on the mineralogy chemistry and origin of alkaline igneous rocks with illustrated examples.unlimited
what would you have observed if you had added a concentration solution of nacl to the cocl2 coh2o6 equilibrium system?
Molecular weights can be determined by freezing point depression measurements. A 6.0 g sample of a compound whose empirical formula is (CH2)x is dissolved in 200 g of benzene. The freezing point of the solution is 1.83 C below that of pure benzene..
Pure solid NaH2PO4 is dissolved in distilled water, making 100.0ml of solution. 10 ml of this solution is diluted to 100.00 ml to prepare the orignal phosphare standard solution.
A 0.2758-g sample of a monoprotic acid neutralizes 74.0 mL of 0.07106 M KOH solution. Calculate the molar mass of the acid.
what is the freezing point in c the solutions below? for water kf1.86 ckgmol. the vapor pressure of water at 45.0 c is
The solubility of magnesium fluoride, MgF2, in water is 0.016 g/L. What is the solubility (in grams per liter) of magnesium fluoride in 0.013 M sodium fluoride, NaF
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