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Describe the trend in oxidation number for main-group elements as you move left-to-right across a row in the periodic table.
What is the principal difference between balancing a redox reaction in acidic solution and balancing a redox reaction in basic solution?
What is the mechanism of a double replacement reaction?
A 4.47 g sample of a molecular compound is dissolved in 96 g of tetrachloromethane (car- bon tetrachloride). The normal boiling point of the solution is 61.51?C, the normal boil- ing point of CCl4 i
Butane has a heat of vaporization of 22.44 and a normal boiling point of -0.4 . A 250 sealed flask contains 0.5 of butane at -22 c. If the butane is warmed to 25 , how much is present as a liqu
Define the term inverse addition as it applies to a Grignard reaction and explain why this is the preferred mode of addition for the reaction between C6H5MgBr and CO2
For the unbalanced equation Cl2 ++ KI = I2 + KCl - how many moles of the second reactant would be require to react exactly with the 0.275 mole of the first reactant
Which of the following is NOT typical of most organic compounds?
Reagents NH3 reacts with Cu^2+, C4H8O2N2 reacts with Ni^2+ and CO^2+, and K4[Fe(CN6)] is sprayed on paper to cause Fe^3+ to react. Write an equation that describes the reaction between each cation a
Determine the number of milligrams of tartrazine that are consumed when drinking one can of Mountain Lightning (the molecular weight of tratrazine is 534.37 g mol -1).
Use the equation given to solve the following problems: How many moles of Na3PO4 would be required to react with 4.0mol of AgNO3
Describe two ways in which the equilibrium of the Fischer esterification could be shifted in order to produce more of the ester product
"Provide a balanced chemical equation for the reaction propionic acid and 5% sodium bicarbonate:One of the products of this reaction breaks down further in solution to evolve a gas that causes the r
A student weighs out 1.04 g of CuSO4•5H2O and 0.50 g of glycine to use in a copper glycinato synthesis. Determine the following:Balanced equation for the reaction.
How much heat energy, in kilojoules, is required to convert 64.0 grams of ice at -18.0 degrees celcius to water at 25.0 degrees celcius?
Calculate the amount of heat required to completely sublime 43.0 of solid dry ice at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3 .
What is the mechanism for the peroxodisulphate and iodide reaction (iodine clock reaction).
10 ml of 0.1 M NAOH were added to the solution followed by the addition of 50 ml of 0.02 M HCl. What will be the ph of the new solution? ka(acetic acid)= 1.8*10^-5.
Calculate the approximate mass of KHP required to react with 40.0mL of 0.125M sodium hydroxide in a titration'
Assume that the specific heat and density of the resulting solution are equal to those of water [4.18 and 1.00 ] and that no heat is lost to the calorimeter itself, nor to the surroundings.
The solid fuel in the booster stage of the space shuttle is a mixture of ammonium perchlorate and aluminum powder. On ignition, the reaction that takes place is6 NH4ClO4(s) + 10 Al(s) → 5 Al2O3
After equilibrium is reached the total pressure is 1.5 atm and 16% (by moles) of the original N2O4(g) has dissociated to NO2(g). Try to design an experiment that measures the dissociation of N2O4 an
The solubility-product constant for Ce(IO3)3 is 3.2 x 10 E-10. What is the Ce3+ concentration in a solution prepared by mixing 50.0 mL of 0.0500 M Ce3+ with 50.00 mL of 0.150 M IO3-?
You have 500 ml of a solution containing NaCl and NaF, both 0.015 M. How many milligrams of Pb(No3)2 are required to begin precipitation of the less soluble salt?
Calculate the work done when 55.0 g of tin dissolves in excess acid at 1.00 atm and 24°C. Assume ideal gas behavior.