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One compound of mercury with a formula mass of 519 g mol-1 contains 77.26%Hg, 9.25%C, and 1.17%H (with the balance beingO). Calculate the empirical and molecular formulas.
what crystal structure would you predict for a crystal containing fe2+ and f-? with radii 75 and 136 pm
find the heat, work , energy, enthalpy, and entropy change for this process.
You performed these reactions in an acidic solution(diluting with 0.1MHNO3). This is because iron forms an insoluble hydroxide even when these solutions do not contain excess hydroxide ion (i.e. even in slightly acidic solutions)
If 15 amino acids were linked together by condensation and elimination of water, how many water molecules would be lost and how many new peptide bonds would be formed.
a mixture of ch4 and h2o is passed over a nickel catalyst at 1000 k. the emerging gas is collected in a 5.00 l flask
The angular momentum quantum number (?), the magnetic quantum number (m?), and the spin quantum number (ms) have strict rules which govern the possible values. Identify allowable combinations of quantum numbers for an electron
12.00mL of 0.125M of HCl is required to titrate 21.55mL of Mg(OH)2. Calculate the molarity of the unknown base.
Water boils at a much higher temperature than all other molecules of similar molecular weight because: it makes very strong hydrogen bonds
An object has a mass of 5.95g. Assuming the density of water is 1 g/mL, what is the volume of the object including air?
The solubility product constant of Sr(IO3)2 is 1.14 × 10?7. What volume of 0.0485 M S2O32 is required to titrate a 15.0 mL sample of a saturated solution Sr(IO3)2
Calculate the mass of silver chloride required to plate 245 mg of pure silver. Silver chloride, often used in silver plating, contains 75.27% Ag
which of these ionic solids would have the largest lattice energy?a. naclb. nafc. cabr2d. csie.
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