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If you are titrating 25.00 mL of a 1.00 mg/mL CaCO3 solution, how many mL of 0.010 M EDTA solution will be required to reach the equivalence point?
how much will the temperature change when 730 g of each of the following materials absorbs 1240 cal of heat energy?a.
Draw an energy-level diagram for the valence molecular orbitals of CO. Include the relevant atomic orbitals in your diagram. Clearly label each molecular orbitals and fill in the appropriate number of electrons
Construct a frost circle for imidazole with one 2p orbital on each atom of the ring, and show relative energy of all pi molecular orbitals. fill in the appropriate number of electrons
The rate constant for the decomposition of CH3CHO is 0.0105 dm^3/mol* at 700 K. If the activation energy for this reaction is 188kJ, find the rate constant at 800 K.
What are the values of E, L, and Lz for an F8+ atom whose electron has the following wave functions, listed as ((Wavefunction Symbol) n,l,ml)
If 12800 calories is required to change 45g of substance X from a liquid to a gas, what is the heat of vaporization of substance X?
How much PV work is done in kilojoules for the reaction of 0.48 of with 0.24 of at atmospheric pressure if the volume change is -9.2
A 25.0-mL aliquot of vinegar was diluted to 250 mL on a volumetric flask. Titration of 50.0-mL aliquots of the diluted solution required an average of 34.88 mL of 0.09600 M NaOH. Express the acidity of the vinegar in terms of the percentage (w/v) ..
The melting point of tropylium bromide is above 200 degree C, quite high for an organic compound. How can you account for these experimental observations?
The Carbohydrate content of a glycoprotein is determined to be 12.6, 11.9, 13.0, 12.7, 12.5 g of carbohydrate per 100 g protein in replicate analysis.
the solubility product constant for MgF2 is 6.4 × 10-9. How many grams of MgF2 will dissolve in 150 mL of H2O at 25°C?
What does the angular momentum quantum number determine? Check all that apply. A.) the overall size of an orbital B.) the energy of the electron on the outer shell C.) the possible number of electrons on particular orbital D.) the energy of an orb..
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