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Position the subsequent ionic compounds in order of decreasing amount of energy released in lattice formation- NaF, BaO, InN, and RbBr
Rank from greatest to least lattice energy. To rank items as equivalent, overlap them.
Describe a procedure for making 100 mL of a 0.10 M solution of barium nitrate, Ba(NO3)2.
the molar heat of fusion is 6.02 kJ mol-1, obtain an expression in terms of A and D that gives the total heat needed to melt the block of ice if its temperature is the normal melting point.
The reaction that was on the screen when you started and its derivative demonstrate that the change in enthalpy for a reaction, Delta H, is an extensive property.
For the calcium ion create a procedure for preparing a 0.100 M solution from the solid, Anyhydrous Calcium Chloride, CaCl2. Make sure to include amounts and equipment you will use for the preparation.
A solution is made by mixing 25.0 mL of .20 M sodium sulfate with 50.0 mL of 0.50 M sodium sulfate. Assuming that dissociation is complete, what are the concentrations Of the Na+ and SO42- ions
If the titration required 23.95 mL of 0.2556 M HCl to reach the endpoint, calculate the equilibrium molar concentration of B4O5(OH)4 2- in the saturated solution.
For the 0.01 M NaOH and 0.001 M NaOH solutions in Part A, do your calculated values of [OH-] agree with those you would predict using the dilution equation. M1V1=M2V2, where M1= the calculated [OH-] of the 0.1 M NaOH stock solution.
Consider a mixture of salt NaA and weak acid HA. Please derive the pH Henderson Hasselback equation by writing the equilibrium expression. Define the pKa
Calculate the percent by weight, mole fraction and mole percent of each component in a mixture consisting 9g of water (H2O), 120g acetic acid(CH3COOH) and 115g of ethyl alcohol (C2H5OH).
How does Ksp govern the dissolution of an insoluble solid. Determine the number of moles if IO3- simply by knowing the number of moles of S2O3 2. Do you expect the Ksp to be a large number or a small number
required to exactly titrate the Fe2+ in a sample. How many moles of Fe2+ were in the sample?
Gold has a face-centered cubic structure and has a density of 19.3 g/cm3. What is its atomic radius
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