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Referring to Figure, describe all the phase changes that would occur in each of the following cases:
(a) Water vapor originally at 0.005 atm and -0.5 °C is slowly compressed at constant temperature until the final pressure is 20 atm.
(b) Water originally at 100.0 °C and 0.50 atm is cooled at constant pressure until the temperature is -10 °C.
Titrate with 0.1005 M NaOH and arrive at an endpoint at 24.20 ml. You know that at the final pH both protons have been titrated. What is the Molar Mass of the acid
students are advised to dispose of the 95% ethanol mother liquor from the recrystallization step n the nitration of bromobenzene in a waste bottle for halogented wastes while the same solvent used for the recrystallization
Potassium chromate is gradually added to a solution containing 0.20 M AgNO3 and 0.20 M Ba(NO3)2. Explain what happens if the Ksp for Ag2CrO4 is 1.1 × 10-12 as well as the Ksp of BaCrO4 is 1.2 × 10-10.
What volumes of .200 M HCOOH and 2.00 M NaOH would make 300 mL of a buffer with the pH of one made from 475 mL of .200 M benzoic acid and 25 mL of 2.00 M NaOH?
Calcium reacts with oxygen to make calcium oxide, CaO. Explain what is the maximum mass of CaO(s) in grams that could be prepared from 21.86 g of Ca(s) as well as 11.27 g of O2(g)
At a certain temperature and pressure, one liter of CO2 gas weighs 1.95 g. What is the mass of one liter of C2H6 gas at the same temperature and pressure
30 g of carbon are burned in a closed container under conditions of low oxygen. 70 g of carbon oxide forms. how much
The first-order rate constant for the reaction of methyl chloride (CH3Cl) with water to produce methanol (CH3OH) and hydrochloric acid (HCl) is 3.32 10-10s-1 at 25°C.
A 10.0 mL sample of aqueous HCl requires 28.5 mL of 0.12 M NaOH to reach the endpoint. What is the molar concentration of HCl? The equation for the reaction is: HCl+NaOH NaCl + H2O
a chloroform solution of caffeine c8h10n4o2 contains concentration of 0.0868 m . compute mole fraction of
Explain how do you determine the overall ability of an enzyme. Explain what determines the overall activity of an enzyme
Ethane is burned with 20% excess air in a furnace operating at a pressure of 100 kPa. Assume complete combustion occurs.
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