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1.Precipitates have very low solubilities in the solvent
2.Precipitates are insoluble products that separate from the soluction where they are formed
3. Nitrate compounds are insoluble and form precipitates
4. Most carbonate compounds form precipitates due to their low solubilities
5. Group IA elements form compounds that are precipitates.
a metal weighing 50.0g absorbs 220.0 j of heat when its temperature increases by 120.0 degrees celsius. what is the
The root mean square velocity of HCl at some temperature was 697.0 m/s. What would be the root mean square velocity of CO2 at this temperature
Consider a metal atom, which we will give the symbol M. Metal M can readily form the M+ cation. If the sphere on the left below represents the metal atom M, which of the other three spheres would probably represent the M+ cation? Explain your choi..
Describe the processes of fatty acid oxidation and synthesis in animal tissues, pointing out their similarities and differences
For each of the following reactions, calculate the grams of indicated product produced when 20.0 g of each reactant is used: a) 4Al(s)+3O2(g)-->2Al2O3(s) (Al2O3). b) 3NO2(g)+H2O(l)-->2HNO3(aq)+NO(g) (HNO3). c)C2H5OH(l)+3O2(g)-->2CO2(g)+3H2O(g) (H..
Some organic solvents are heavier than water and some are lighter than water. If you were given a test tube filled with a heterogeneous mixture of two liquids, one layer which is water and the other an organic solvent, how do you test to see which..
One cup is equivalent to 237. mL. If 1 cup of oil has a mass of 210. g, what is the density of the oil (in grams per cubic centimeter)?
What is the concentration of N2 gas at equilibrium when the concentration of NO2 is twice the concentration of O2 gas
The enthalpy of combustion of benzoic acid (C6H5COOH) is commonly used as the standard for calibrating constant-volume bomb calorimeters; its value has been accurately determined to be 3226.7 kj
A solution is prepared by mixing 50.0 mL of 0.20 M Pb(NO3)2 with 50.0 mL of 1.5 M KCl. Calculate the concentrations of Pb2+ and Cl - at equilibrium. [Ksp for PbCl2(s) is 1.6 10-5.]
What is the hybridization scheme for the central atom in the following?
Since phosphate ionization of 2.14, 6.86 and 12.4. you make stock buffer 500mM in 1L. You decide to make one stock pH 6.5 and the other ph 7.2 How many mmols of what type of phosphate componet do you add to each of these buffers?
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