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1. Consider treating 1.0 mols Ca(OH)2(s) with 1.0 L of 1.0 M HCl. How must resultant system-pH and solubility(s) of Ca(OH)2 compare to pH and s(Ca(OH)2) sat'd in d. H2O(l)? Why? Do the analysis which resolves the issue. Show all pertinent work except arithmetic. (Assume that system liquid-phase volume remains at 1.0 L. ) 2. Reconsider the system: CaCO3(s) saturated in 1.0 M H4NCl, which was studied in class. Analyze this system by appropriate K, MB, and CB consideration in order to calculate pH and s(CaCO3). Show all pertinent work except arithmetic. (Assume a system liquid-phase volume of 1.0 L.)
Ammonia rapidly reacts with Hydrogen Chloride, making ammonium chloride. Calculate the number of grams of excess reactant when 3.80g of NH3 reacts with 4.20g of HCl
Saturated sodium chloride. describe what happens when 12 M HCl is added to saturated (5.4 M) NaCl. Calculate [Cl-] in the original solution and after the addition of the 12 M Hcl (before any precipitate forms).
A solution made by dissolving 14.2 g of an unknown compound in 100.0 g of water has a freezing point of -0.771 °C. If the Kf for water is 1.86 °C/m
Calculate the molarity of a solution made by dissolving 0.0715 mol Na2SO4 in enough water to form exactly 550. mL of solution
Large quantity of ammonia are burned in the presence of platinum catalyst to give nitric oxide as d first step in the preparation of nitric acid.
Identify and descrine the structure and function of specialised cells of protection, sensation and secretion in the integumentary system
If one slice of chocolate cake contains 35g of carbohydrate, 15g of fat and 5g of protein, calculate the kilocalories that each slice of cake contains.
What is the absolute pressure when the mass of the substance on a dead weight gauge is 20 kg, and the inner diameter of the cylinder is 2 cm? Assuming the g=9.82 m/s2 and the atmosphere pressure is 745 torr
A typical popcorn kernel has a volume of .250 mL and contains 1.114 mg of water. The kernel will pop at a temperature of 170 C. What is the pressure in atm inside the kernel right before it explodes?
Given that aprotic solvents are not practical for unimolecular processes (little if any reaction occurs via a unimolecular pathway) draw the skeletal structure of the major organic substitution product when (2S,6R)-2,6-dibromo-6-methyloctane is tr..
Human saliva has a pH of approximately 6.8, and can be considered a: a)strong acid b)weak acid c)strong base d)weak base
A current of 10.0 amps flows for 2.00 hours through an electolytic cell containing a molten salt of mental X. This results in the decomposition of 0.250 mole of metal X at the cathode. The oxidation state of X in the molten salt
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