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Identify as well as compare trends on the periodic table, as well as reactivity and relative sizes of atoms and ions use the trends to elucidate the properties of subgroups, As well as metals, non-metals, alkaline earth metals, alkali metals, halogens and noble gases.
an osmotic pressure of 7.84 atm is produced bynbsp an isotonic solution measured against pure water at human body
Consider a mixture of air and gasoline vapor in a cylinder with a piston. The original volume is 60. cubic cm. If the combustion of this mixture releases 1401
Calculate the volume of the NaOH needed to completely neutralize the acid in the flask. Calculate the pH for a) initial acid solution in the flask; b) the point at which 8mL of the base has been added; c) the equivalence point and d) the point in ..
Calculate the number of moles Cl of atoms in 3.61×10^24 formula units of magnesium chloride,MgCl2
A 0.2M citrate buffer, pH 5.0, was prepared using citric acid (H3A) and sodium citrate (Na3A). What are the concentrations of citric acid (H3A) and its anion form (A3-) in the equilibrated solution
What mass of glucose can be produced from a photosynthesis reaction 6CO2(g) + 6H2O-> C6H12O6(aq) + 6O2(g) that occurs using 18.4 mol CO2? Answer in units of g.
The percentage of an additive of gasoline was measured six times with the following results: 0.13, 0.12, 0.16, 0.17, 0.20, 0.11%. Find the 90% confidence level interval
If the decay of trihalomethane is first order,and 90% of the trihalomethanes in glass of tap water are gone after 3 hours, what is the decay rate constant
When aqueous solutions of lead( II) ion are treated with potassium chromate solution, a bright yellow precipitate of lead( II) chromate, PbCrO4, forms
Based on electronegativity trends in the periodic table, predict which of the following compounds will have the greatest % ionic character in its bonds. a. H2O b. LiI c. CaO d. RbF e. HCl
Calculate the volume of .025 M HCl required to titrate 50.0 mL of 0.039M NaOH solution to the equivalence point. State your answer to one decimal place in mL.
How many moles of naoh do you have to add to the solution in part a so that the ph will increase by 0.2?
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