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Given Ksp {Fe(OH)2}= 1.6x10-14 and Kb(NH3)=1.8X10-5. What concentration of ammonia is necessary to start to precipitate ferrous hydroxide {Fe(OH)2} from a solution of 0.0030M FeCl2
Multiple choice questions in nuclear chemistry - which equation represents the balanced nuclear equation
A 1L steel tank has a safety valve that opens when the internal pressure exceeds 850 torr. The tank is filled with He at 23 oC and 0.991 atm.
To what temperature must the specimen be heated and how much Sn should be mixed to the 1.5-kilograms specimen at the temperature of twenty five degree celsius to achieve this state?
The concentration of phosphoric acid in Coke is approximately 106.0 mg/mL. Assuming phosphoric acid is the only acid in Coke, calculate the pH of a 355 mL can of Coke.
If each bottle contains 0.358 pint of mouthwash with a density of 0.880g/mL , how many kilograms of alcohol are in 200 bottles of the mouthwash.
How many moles of methane (CH4) gas are in 745 mL at 25.5C and 730 torr?
At a certain temperature, the Kp for the decomposition of H2S is 0.726 H2S = H2+S initally only H2S is present at a pressure of 0.126 atm in a closed container.
How many milliliters of 0.200 M NaOH will be required to titrate 7 mL of 0.479 M H2SO4
3 isotopes of argon occur in nature. Ar-36, Ar-38, and Ar-40. The abundance of each are as follow: 0.34%, 0.07%, and 99.59%.
A copper wire (density = 8.96 g/cm3) has a diameter of 0.27 mm. If a sample of this copper wire has a mass of 35 g, how long is the wire?
Statements correctly describe(s) the relationship between the structure of a fatty acid and its melting point? a. Saturated fatty acids have melting points that increase gradually with molecular weight.
Using extraction techniques how would you separate a mixture of aniline and toluene using dichloromethane as the extraction solvent?
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