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Calculate transport number of hydrogen and chloride ions if 6mf of cell with transference of298k is 0.02802v and 6mf of corresponding cell without transference is 0.01696v
determine a value of kc for the equilibrium which is established when ethanol reacts with ethanoic acid.ch3cooh
Given the following Delta H°298 values in kcal/mol , where "gr" stands for graphite, find Delta f H°298 of Fe(s) and Fe2O3(s) Fe2O3(s) + 3C (gr) --> 2Fe(s) + 3CO(g) 117 FeO(s) + C(gr) --> Fe(s) +CO(g) 37 2CO(g) + O2(g) --> 2CO2(g) -135 C(gr) + O2(..
identify and discuss three key features associated with the combustion of polymeric materials or compounds that are
Cholesterol in blood is measured in milligrams of cholesterol per deciliter of blood. If the average adult has 6.0 liters of blood, how many grams of cholesterol would be in the blood of an average adult with a cholesterol reading of 185 mg/dL? Densi..
Fluorine reacts with oxygen to yield oxygen difluoride. 2 F2(g) + O2(g) 2 OF2(g) What is the value of K if the following concentrations are found at equilibrium: [O2] = 0.200 mol/L, [F2] = 0.0100 mol/L, and [OF2] = 0.0633 mol/L.
Determine what mass of titanium displaces 65.6mL of H 2 O at the temperature 25 degree Celsius if the density of titanium metal is 4.51 g/cm 3 at the temperature of 25 ° C .?
what is the heat of sublimation kcalmol of i2 at 298.15 k? the heat of formation of iodine gas is 62.25
Show how to prepare 500ml 0.01M HNO3 from 0.10M HNO3? Presume only have 250 ml volumetric flasks and a 100ml graduated cylinder
Define 265.6 g of water is in a Styrofoam calorimeter of insignificant heat capacity. The initial T of the water is 20.0C. Subsequent to 136.1 g of an unknown compound at 77.0C is added, the equilibrium T is 31.4C. Explain what is the specific hea..
The di basic compund B(pkb1=4.00),pkb2=8.00 was titrated with 1.00 M HCl. the intial solution of B was 0.100M and had a volume of 100.0mL. A) At what volumes are the two equivalence points?
Explain how would this affect your calculated value of the concentration of the sodium hydroxide solution. Would the computed concentration be too large or too small compared to the correct concentration
a mixture of propane 75 mol and hydrogen are burned with 25 excess air. fractional conversions of 95 of the propane and
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