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Under certain conditions, the averagerate of appearance of oxygen gas in the reaction 2O3(g) --- 3O2(g)is .0012 atm/s-1. How do you find the average rate for dissapearance of O3?
How many moles of potassium chloride are formed when 5.0 moles of chlorine are reacted with potassium bromide to produce bromine and potassium chloride??
Using the Morse equation, which we haven't discussed, I get aninside pressure of 4.8 atm, an outside pressure of 0.48 atm, and a pressure difference of 4.3 atm. What do you think accounts for any di
A first order reaction has an Arrhenius constant for the reactionis 4.8 x 1011 sec -1, and an activation energy of 61.4 kJ. At what temperature (in Celsius) is the rate constant equal to 0.459 sec-1
Electrolysis of an alkaline earth mtal cloride using a current of 5.00 A for 748 sec. deposits .471g of metal at the cathode. what is the identity of the alkaline earth metal chloride?
Air is about 78.0% nitrogen moleculesand 21.0% oxygen molecules. Several other gases make up there maining 1% of air molecules.
How many times larger will the equilibrium constant be for the G +C yields G:C reaction over the A + T yields A:T reaction.
Explain which of the following ions would you expect to be more water soluble: Hg2+ or methyl mercury (CH3Hg+)? More lipid soluble?Based on your assessment of their solubilities, which of these woul
What is the molar mass of the solute if it is a nonvolatilenonelectrolyte and the solution behaves ideally (d of H20 at25 degrees celsius = 0.997 g/mL)?
The freezing point of a solution containing 4.12 g of unknown solute in 100 g of camphor is 166.2 C. Camphor has Kf = 37.7 C/m.Tf = 178.4.
An "ice calorimeter" can be used to determine the specific heat ofa metal. A piece of hot metal is dropped into a weighed quantity ofice. The quantity of heat transferred from the metal to the ice c
A 10.0 g piece of metal at 100 C is transferred to a calorimetercontaining 50.0 mL of water initially at 23.0 C. Calculate the specific heat capacity of the metal if the heat capacity of the calori
Hydrogen gas is generated when acids come into contact with certainmetals. When excess hydrochloric acid reactss with 2.5 g of Zn (themetal product is Zn2+ ).
Write the mass action expression for the reaction ofaqueous solutions of Fe(NO3)3 and NaNCS in equimolarquantities.
Nitrous Oxide (N2O) is oxidized byoxygen(O2) to produce nitrogen dioxide(NO2).If 6.0 mol N2O reacts with 8.0 mol O2 toproduce as much NO2 as possible, then how many moles of which reactant remains?
How do you find the values of the matrix? For instance, Iwant to find the values for the HO radical and then get theeigenvalues to find the frequency.
What volume of CO2(g) measured at0.0 oC and 101.3 kPa is produced if 0.500 kg of CaCO3 isrequired to neutralize a sulfuric acid(H2SO4)spill?
Exactly 1.0 L of hydrogen gas(H2)is collected over water at 292 K under a total pressure of 152Torr. If the vapour pressure of water is 16.5 Torr at this temperature, what is the mole fraction of hy
What masses of iron(III) oxide and aluminum must be used to produce 15.0 g of iron? What is the mass of aluminum oxide produced?
What is the lowest energy absorption (moving electron from occupied toempty orbital) that we can have in the mode? (experimentally the excitation is of 17,000cm-1).
The combustion of butane produces heat accordingto the equation 2C4H10(g) + 13O2(g) ->8CO2(g) + 10H2O(l) H°rxn =-5,314 kJ/mol What is the heat of combustion per gram of butane?
Kinetics of the Reaction Between Iodide and Persulfate. Procedure: popet 4 mL of the idoide solution and 12 mL of distilled water into a small beaker labeled A.
A sample of gas is made entirely of carbon dioxide and water,and there are 259 moles of CO2 and 513 moles of water.If the total pressure of the sample is 21 atm, what is the partial pressure of each
Sodium metal is also readily oxidized by O. If the product of there action were dissolved in water, what would be the color of the litmus test? Explain. What is the product?
A student is given 250.0 g of sodium lactate,NaC3H5O3, and a bottle of lacticacid marked "73.0% by mass HC3H5O3, density=1.20 g/mL." How many millimeters of 73.0% lactic acid should the student add