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How many Protons, Neutrons, and Electron of 63Li+. What are the mass number and atomic number of each of these atoms
Calculate the pH of a 2.96 M solution of 2,4,6-trimethylpyridine. The Kb of 2,4,6-trimethylpyridine is 2.7x10-7
given that the molar enthalpy of vaporization delta h for H2O(l) is 44kj at 298k, what is the standerd enthalpy change for the reaction 2H20(G)+ O2(g)---->2H2O(G)?
Four kg of steam in a piston/cylinder device at 400kpa and 175C (448.15) undergoes a mechanically reversible, isothermal compression to a final pressure
When we extrapolate concentration dependent values to zero solute concentration, what do these extrapolated values mean physically
express the work of isothermal reversible expansion of a van der waals gas in reduced variables and find a definition of reduced work that makes the overall expression independent of the identity of the gas.
Determine the pH of a solution prepared by adding 0.0500 mole of solid ammonium chloride to 100 mL of a 0.150-molar solution of ammonia.
The first equivalence point for the titration of 0.2567 grams of a weak acid is reached when a volume of 26.80mL of 0.0510 M NaOH(aq) has been added. What is the molar mass of the acid?
what volume of 0.150 M KCl solution is required to react completely with 0.150 L of a 0.175 M Pb(NO3)2 solution according to the chemical reaction
Draw the crossed aldol condensation product formed between benzaldehyde and acetone
How many grams of sodium fluoride should be added to prepare the buffer solution? Neglect the small volume change that occurs when the sodium fluoride is added.
Solids do not "flow". What does this behavior imply about the speeds at which the individual solid particles are moving relative to each other?
For each of the following cases, identify the order with respect to the reactant, A. Case (A ----> product) 1. The half-life of A increases as the initial concentration of A decreases
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