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Indicate the solubility of the following solutes in 100 g of water:
potassium chlorate at 90 °Cpotassium nitrate at 45 °Cammonium chloride at 18 °C
describe how sp3 hybridization occurs in each atom. a) carbon b) nitrogen c) oxygen. If these elements use sp3 hybrid orbitals to form bonds, how many lone pairs of electrons would be found on each?
A farmer applies 1400.0 kg of a fertilizer that contains 10.0% nitrogen to his fields each year. 15.0% of the fertilizer washes into a river that flows through the farm.
A chemist isolates a colorless liquid with the properties of cyclohexane (M= 84.2 g/mol) from a petroleum sample.
Where did the energy required to maintain the system at a constant temperature in the two isothermal processes described? PAth A- sudden irreversible decrease in pressure from P1 to P2 ( P2
A 98 L sample of dry air cools from 138°C to -30.°C while the pressure is maintained at 2.85 atm. What is the final volume?
what volume of .2500M colbaat(III)sulfate is required to react completely with 5.00 grams of sodium carbonate?
Suppose that a sample of gas occupies 192 mL of volume at 25C and a pressure of 206 torr. What would be the volume if the pressure were changed to 506 torr at 25C.
What is the theoretical yield of hydrazine, in grams, prepared from the reaction of 125.0 mL of 0.500M NH3(aq) with 25.0mL of 1.70M NaOCl (aq)?
the Na formed during the breakdown of NaN3 reacts with Fe2O3. How many grams of Fe2O3 are needed to react with 35.3 g Na?
When the electron cloud of a molecule is easily distorted, the molecule has a high ?
If an automobile travels 230 mi with a gas mileage of 21.5 mi/gal, how many kilograms of CO2 are produced?
The combustion of alkanes, alkenes and alkynes produces, A. water and carbon. B. carbon dioxide and hydrogen. C. oxygen and hydrogen. D. hydrogen and water. E. carbon dioxide and water.
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