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Problem: The following are the result obtained from one such experiment.
Use these data and relevant information from the Data Booklet to calculate a value of L to 3 significant figures.
Forecast what volume (mL) of 0.3000 M NaOH is needed to titrate the 25.00 mL of 0.3000 M HCl to the equivalence point.
Explain what is the molecular formula of the substance whose molecular mass is 78.12 and whose empirical formula mis CH.
Consider the reversible reaction: 2NO2(g) N2O4(g). If the concentrations of both NO2 and N2O4 are 0.016 mol L-1, what is the value of Qc
What is the relation between the standard deviation and the precision of a procedure. What is the relation between standard deviation and accuracy
Silver chromate is sparingly soluble in aqueous solutions. The Ksp of Ag2CrO4 is 1.12x10^-12. What is the solubility (mol/L) of silver chromate
What is the enthalpy change needed to change 1 lb of a water-steam mixture of 60% quality to one of 80% quality if the mixture is at 300 oF
the slopes corresponding to standard Beer's Law plots were as follows: ?IA = 0.072 ?IB = 0.306 ?IIA = 0.760 ?IIB = 0.036 Using this data, calculate the ratio between the relative concentrations of MR- and HMR in this solution.
question the vapor pressure of a water-insoluble organic substance is negligible at 100 degree c. can this substance be
Problem- Indicate the type of solid (molecular, metallic, ionic or covalent network) each of the following would form upon solidification: W (Tungsten), SrBr2, A type of boron crystal (mp 2250 degree C), S8 (a form of Sulfur).
Problem- A test tube contains an unknown yellow solution and no precipitate. 1) Based on your lab observations from the last 2 weeks, what cation might be present
Construct a cel from Ni(s), Ni^2+(l), Cd(s) and Cd^2+(l) a. What would be the anode and what would be the cathode? b. indicate the half reactions happening at each the anode and the cathode
the activation energy for the decomposition of hydrogen peroxide is 43 kjmol whereas when the reaction is catalyzed by
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