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which of the following rate law best illustrates the kinetics of the reaction between hydrochloric acid and sodium thiosulfate?
a. Rate = k [HCl] [Na2S2O3]
b. Rate = k [HCl] [Na2S2O3]2
c. Rate = k [Na2S2O3]
d. Rate = k [HCl]2 [Na2S2O3]
e. Rate = k [HCl]
Consider the following equilibrium process at 686°C: CO2(g) + H2(g) CO(g) + H2O(g) The equilibrium concentrations of the reacting species are [CO] = 0.050 M, [H2] = 0.045 M, [CO2] = 0.086 M, and [H2O] = 0.040 M.
An unknown gas that occupies 1.00 L at a pressure of 534 torr and a temperature of 295.7 K weighs 0.9847 g. What is the molecular mass of this gas
Consider a chromium-silver voltaic cell that is constructed such that one half-cell consists of the chromium, Cr, electrode immersed in a Cr(NO3)3 solution, and the other half-cell consists of the silver, Ag, electrode immersed in a AgNO3 solution..
Glass will dissolve in concentrated solutions of either NaOH or KOH. At 25C the two reactions below tae place at the same rate. 4NaOH + SiOH2 -->Na4SiO4 + 2H2O is reaction 1. reaction 2 is 4KOH + SiO2 ---> K4SiO4 + 2H2O
how many atoms of copper are there in this wire?
Given that the standard enthalpy of atomization for sodium is 108.4 KJ/mol, calculate the energy in kilojoules required to convert 1.40 mol of sodium metal at 25 celsius to 1.4 mol of gaseous Na+ ions. (Ionization energy of Na(g) is 495.9 KJ/mol)
Compute A current is drawn from the cell until 1.20 grams of Ag have been deposited at the Ag electrode. Determine the value of E for the cell at that stage of operation.
How long must a current of 0.75 A pass through a sulfuric acid solution in order to liberate 0.100 L of H2 gas at STP
Calculate the amount of heat required to completely sublime 23.0g of solid dry ice (CO2) at its sublimation temperature
Calculate pCu at the equivalence point in the titration of 20.0 mL of 0.0161 M CuSO4 with 0.0100 M EDTA at pH 8.00.
Calculate the work done by the system as a result of the reaction. The atmospheric pressure is 1.0 atm and the temperature 25 C.
the cup is a volume widely used by cooks in the u.s. one cup is equivalent to 237 cm3. if 1 cup of olive oil has mass
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