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When agueous solutios of AgNO3 and NaI are mixed,AgI precipitates. What is the balanced net ionic equation?
what is the freezing point of a solution of 1.17 g of 1-naphthol c10h8o dissolved in 2.00 ml of benzene at 20degc? the
draw the major form of your drug whenph is low (acidic medium) for all acid base groups c. draw the major form of drug when ph is high (basic medium for all acid base groups
U^o for the reaction A(s)+2B(g) ->2C(s)+D(g) was measured at temperature T in a constant volume calorimeter. ?H^o for the reaction is approximately what
Which ions are soluble in acidified sulfide solution but separate as insoluble sulfides in basic solution. Which cations separate as their hydroxides in basic sulfide solution.
A 1-L flask is filled with 1.30g of argon at 25C . A sample of ethane vapor is added to the same flask until the total pressure is 1.00 atm. What is the pressure of argon Par in the flask. What is the partial pressure of ethane, Pethane, in the fl..
The following ions contain the same number of electrons. Rank them in order of decreasing ionic radii. Rank from largest to smallest radius. Cs^+, I^-, Te^2-, La^3+, Ba^2+, and Sb^3-
Which of the following would break apart into free radicals (an atom with one unpaired electron) when a photon promotes one electron to an antibonding orbital. I. B2 II. C2 III. N2 IV. O2 V. F2
?Hf0 for the formation of rust (Fe2O3) is -826 kJ/mol. How much energy is involved in the formation of 5 grams of rust.
The density of solid Fe is 7.87 g/cm3. How many atoms are present per cubic centimeter of Fe. As a solid, Fe adopts a body-centered cubic unit cell. How many unit cells are present per cubic centimeter of Fe
Determine the molecular formula of an unknown perfect gas composed primarily of Nitrogen and Oxygen. At -3 degrees Celsius and when the pressure is 101.325kPa the density is 1.354 g/L.
reacts completely with a volume of F2(g) to produce 2.0 L of ClF5. what volume of F2(g) reacted completely?
Neutron stars are believed to be composed of solid nuclear matter, primarily neutrons.If the radius of a neutron is 1.0 × 10-13 cm, calculate the density of a neutron in g/cm3. (volume of a sphere = ) Assuming that a neutron star has the same dens..
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