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1.Write the net ionic equation for the reaction of aqueous sodium chloride with aqueous silver nitrate.
2.What is the net ionic equation of the reaction of FeCl2 with NaOH?
3.What is the net ionic equation of the reaction of MgSO4 with CaCl2?
(i) Arrange the following compounds in the order of increasing melting points: (a) He, (b) NH3, (c) LiBr, (d) Ar, (e) CsBr, (f) PH3, (g) CsI, and (h) RbBr. (ii) Separately, also arrange these compounds in the order of increasing boiling points.
Each 5 mL of Extra Strength Maalox Plus Mg(OH)2 contains 450 mg og magnesium hydroxide and 500 mg of aluminium hydroxide. How many moles of hydronium ion are neutralized by one teaspoon of Extra Strength Maalox Plus
Consider two different solutions of the same UV-absorbing compound. Upon UV-analysis, Solution B gave an absorbance of 1.5 and Solution A gave an absorbance of 0. 5 at the same wavelength. Solution B is higher in concentration by what ratio (or pe..
calculate the change internal energy (E) for a system that is giving off 45.0kJ of heat and is performing 855J of work on the surroundings.
Draw the molecular structure of three monomeric units of the addition polymer that results from polymerization of acetylene. Only show the structure that would be found inside the brackets of a condensed formula for this polymer
When 4.6 mol O2 is heated at a constant pressure of 3.25 atm, its temperature increases from 252 K to 300. K. Given that the molar heat capacity of O2 at a constant pressure is 29.4 JK-1 mol-1, calculate q, ?H, and ?U.
Use the dipole moments of HF and HCl ( HCl= 1.08 D, HF= 1.82 D) together with the percent ionic character of each bond (HCl 20% ionic, HCl 45% ionic) to estimate the bond length in each molecule.
Calculate the hydronium ion concentration and the pH when 25.0 mL of 0.50 M NH3 is mixed with 65.0 mL of 0.19 M HCl.
Two mols of a Van der Waals fluid are maintained at a temperature T=0.95Tc , in a volume of 200cm3 . Find the mole number and volume of each
draw four different lewis electron-dot formulas for the seo2nbspmolecule. hint one should have two single bonds two
What is the purpose of a. the 0% T adjustment and b. the 100% T adjustment of a spectrophotometer
A star is estimated to have a mass of 1 multiplied by 1036 kg. Assuming it to be a sphere of average radius 6.5 multiplied by 105 km, calculate the average density of the star in units of grams per cubic centimeter.
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