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If the concentration of Mg2+ ion in seawater is 1350 mg/L, what OH- concentration is required to precipitate Mg(OH)2
At a particular temperature, K=2.0x10^-6 mol/L for the following reaction: 2CO2 (g) at equilibrium with 2CO(g) + O2 (g) If 2.1 mol CO2 is initially placed into a 4.2 L vessel, calculate the equilibrium concentrations for all of the species.
An acre-foot of water Covers an acre to a depth of exactly 1 ft. An acre is 4840 yd2. An acre- foot is enough water to supply two typical households for 1.00 yr. (a) If desalinated water costs $1950 per acre- foot, how much does desalinated water ..
Combustion of a .2000g sample of vitamin C sample produced .2998 g of carbon dioxide and .0819 g of water. If this compound is composed of C, H, and O, then what is its empirical formula?
If the minimum amount of solvent is recrystallized at 12.8 g by heating it to 70 C and sampling it in an ice water bath what is the minimum percent recovery of the recrystallized material?
Consider an insulated system containing 150 g of liquid water and 150 g of ice at equilibrium under atmospheric pressure. A total of 22 g of steam at 120±C is admitted to the system.
A 33.0 g sample of a nonelectrolyte was dissolved is 700. g of water. The solution's freezing point was -2.84°C.
How many moles of carbon monoxide react with 1 mole of oxygen gas according to the balanced chemical equation?
Enter the half-reactions and the balanced cell reaction for the following galvanic cells. (Enter states of matter in your answer.)
The Debye-huckel limiting law is more reliable for 1:1 electrolytes than for 2:2 electrolytes
A substance containing 28.84% Nitrogen, 0.0648g Hydrogen, and Oxygen and Carbon, with (total) mass (of the substance) 1.2953, is burned in excess oxygen to produce 2.241 grams of carbon dioxide.
if 860 liters of neon at 45°C and 800 mm. are decreased to 700 liters at the same pressure, what is the new temperature of this gas?
The boiling temperature is found to be 157 C(760 torr) as the first small amount of distillate is collected. The standard vapor pressures of n-propylcyclohexane and n-propylbenezene are known to be 769 toor and 725 torr
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