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Lewis Dot structure and identify molecule shape, the hybridization on the central atom, and whether the molecule is polar or non. for:
(A) SeCl4
(B) XeOF4
When 157mg of dipentylamine was added to 122mg of benzoic acid and 2mL of water, a completely homogenous solution was formed. Draw the sturctures of the species present in the water.
flask apparatus, which now contains 2.00 L H2 at a pressure of 360 torr and 1.00 L N2 at an unknown pressure. if the total pressure in the flasks is 320 torr after the stopcock is opened, determine the initial pressure of N2 in the 1.00-L flask.
What is the volume of a unit cell of this metal? 4.What is the edge length of a unit cell of Fe?
Methanol (CH3OH) is produced commercially by the catalyzed reaction of carbon monoxide and hydrogen: CO(g) + 2H2 (g) (equilibrium) CH3OH(g).
A helium-filled weather balloon has a volume of 2.4 × 102 L at 99 kPa pressure and a temperature of 0°C. What is the mass of the helium in the balloon?
Consider a diploid cell that contains three pairs of chromosomes designated AA, BB, and CC. Each pair includes a maternal and a paternal member (e.g., A^m and A^p.).
Calculate the number of grams of H2 formed If the wet Hydrogen gas formed occupies a volume of 9.67 Litres
Compute the number of grams of H 2 SO 4 in 1 gallon of battery acid if the solution is 38.9% sulfuric acid by mass and has a density of 1.33g/mL ?
What will the new volume of the gas be if the temperature is increased to 150C and the pressure decreased to 0.95 atm?
calculate the amount of sodium nitrate in mg in one liter if 3.8mg of nitrate was detected in one liter of water.
The rate of disappearance of HBr in the gas phase reaction 2HBr (g) → H2 (g) + Br2 (g)
The rate of effusion of a particular gas was measured and found to be 24.0 mL/min. Under the same conditions, the rate of effusion of pure methane (CH4) gas is 47.4 mL/min. What is the molar mass of the unknown gas?
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