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which anions generally form percipitates? what are the exceptions?
Description of Intermolecular forces, What parts of the calcium chloride are attracted to what parts of the water molecule when calcium chloride dissolves
A student heats 5.128 g sodium bicarbonate to completely decompose the sample to sodium carbonate. 3.2349 g of sodium carbonate was produced. Calculate the atom economy of this reaction.
Starting with a 0.04 M solution and making a series of 1:100 dilutions, how many dilutions must you make to prepare a solution,
Glycerine (glycerol) CH2-OHCH2-OH has a greater resistance to flow (viscosity = 94) than ethanol CH3CH2OH (viscosity = 1.08)
Calculate the empirical formula for a chemical compound which gives the following analysis: 12.6 percent lithium, 29.2 percent sulfur, and 58.2 percent oxygen.
What is the pH of a solution containing 0.001 M NaHCO3 and 0.002 M NH3? You may assume that both the carbonic acid system
Calculate w (in kJ) when 597 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 459 K:
the equilibrium contant kc=49 at 230^0C, for the reaction PCl3 + Cl2= PCL5. If 0.50mol of each of phosphorus trichloride and chlorine are added to a 5.0L reaction vessel.
The heat of fusion of ice (the heat associated with ice melting) is 6.0 . Find the temperature of the coffee after the ice melts.
A 0.50 mol/L solution of codeine has a pOH of 3.05. What is the Kb value of codeine?
How many grams of O2 are needed to react with 18.5 grams of Mg? 2 Mg(s) + O2(g) → 2 MgO(s)
a sample of 1.518g of KHC8H4O4 was dissolved in water and titrated with an NaOH solution. 26.90 ml were required to reach the equivalence point. Calculate the molarity of the NaOH solution
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