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A particular reactant decomposes with a half-life of 175s while its initial concentration is 0.347 M.
The same reactant decomposes with a half-life of 227s while its initial concentration is 0.268 M.
The reaction order is 2.
Explain what is the value of the rate constant?
Write a total ionic equation for the reaction (if any) of FeCl2 solution with Cu, and for the reaction (if any) of FeCl2 solution with Al.
a piece of metal of 10.0 gram is to be found in an insulated calorimeter having 250.0 grams of h2o that was at the
If electricity of sufficient voltage is passed into a solution of potassium iodide in water, a reaction takes place in which elemental hydrogen gas and elemental iodine are produced, leaving a solution of potassium hydroxide.
Calculate the No. of moles of KHP? (b) How many moles of NaOH will react with the KHP in dissolved water? (c) Calculate the molarity of the NaOH solution?
A photomultiplier tube detects photons by amplifying the current generated by the photoelectric effect. Which metal, lithium, calcium, aluminum or gold would you choose if you were trying to make a photomultiplier tube sensitive to the largest por..
Confirm that the z-component of orbital angular momentum is a basis for an irreducible representation of A2 symmetry in C3v.
A student used a DCP solution (standardized to 9.94x10-4M) to analyze a sample of extract from 3.50g of solid food. The titration required 22.49mL of DCP. 91.75% of all the ascorbic acid in the food was collected in the extract. (MM Ascorbic Acid ..
When 0.228 g of the hydrate ZnSO4•xH2O is heated, 0.128 grams of anhydrous ZnSO4 remains. What is the value of x in the formula for the hydrate
A sample of 54.7 g of HCl gas is dissolved to make 1L of solution. What is the molarity of the solution?
A solution contains 2.0×10-4 M Ag+ and 3.6×10-2 M CO32-. Determine Qsp for Ag2CO3. Will Ag2CO3(s) precipitate? [Ksp for Ag2CO3 is 8.1×10-12]
what volume of co2 gas is produced by the complete combustion of 2.6l c3h8 gas? assume all gas volumes are measured at
The fact that boiling point of a pure solvent is lower than the boiling point of a solution of the same solvent is a direct consequence of the. freezing-point depression of the solution.
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