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If 0.001 M of CO2 is introduced into a closed container which is full of pure water and has no headspace for air, what is the pH of the water solution after the dissolved CO2 has reached an equilibrium? Please show all work!
For a 6.70kg of magnesium-lead alloy, is it possible to have the masses of primary (alpha symbol) and total (alpha symbol) of 4.23kg and 6kg respectively at 460°C(860°F)
Calculate ?G° for the reaction of ammonia with fluorine. 2NH3(g) + 5F2(g) ? N2F4(g) + 6HF(g) Substance: NH3(g) F2(g) N2F4(g) HF(g) ?G° f (kJ/mol): -16.4 0 79.9 -275.4 179.1 kJ -179.1 kJ 1539.7 kJ -1539.7 kJ None of these choices is correct.
From the same container under the same conditions--same temperature and initial pressure, it takes 385 s for 7.00 L of O2 gas to effuse. Calculate the molar mass (in grams/mol) of the unknown gas.
In a synthesis experiment you obtain a sample of product on which you do a melting point determination and find a melting point range of 108.0 to 114.3 degrees Celsius. The sample is supposed to be benzoic acid.
If caffeine is soluble in methanol as well as methylene chloride then why couldnt I use methanol to extract caffeine from the aqueous portion. and why did I extract the aqueous phase two times with 50ml of DCM rather than once
If KHP is titrated with NaOH until the equivalence point is reached. Explain why is it true that, the number of moles of OH- equals the number of moles of KHP, at the equivalence point
The malted barley is blown from the bottom of the truck at h1 = 1.60 ft to the top of the silo at h2 = 44.0 ft with a pump that can provide 3.50 kW of power. How long will it take to unload the whole truck into the silo
In a titration of 50.0mL of 0.1000 M formic acid with 0.100 M KOH, the titration error must be no more than 0.05mL. What indicator can be chosen to realize this goal
Show the hybridization of the bonding orbitals for germanium tetrafluouride. a. determine type of hybrid formed b.type of molecular geometry
a reaction vessel contains 13.9g of CO and 13.9g of O2. How many grams of CO2 could be produced according to the following reaction? 2CO + O2 ---> 2CO2
Calculate the percent yield of this organic reaction- C7H6O2------->C12H16O2. Molecular weight of C7H6O2 is 122.12 amount used 100g, Molecular weight of C12H16O2 192.25 amount recovered 125.9 g
A mixture of three gases has a total pressure at 293K of 1380 mmHg. The mixture is analyzed and is found to contain 1.27 mol CO2, 3.04 mol CO, and 1.50 mol Ar. What is the partial pressure of Ar?
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