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A stainless steel cylinder of 30.0 L capacity contains fluorine gas at a pressure of 160. lb/in^2 at 26° C. What volume will the gas occupe at STP? (1 atm = 14.7 lm/in^2, F = 19.00 g/mol)
an ice cube contains 925 grams of water. If the initial temperature is at 15 degrees celcius, how many kilojoules of heat are needed to cool and freeze the water at 0 degrees celcius.
What mimimum hydronium ion concentration (M) would be needed to prevent precipitation of cupric hydroxide (Cu(OH)2 Cu2+ + 2OH- , Ksp = 2.2 x 10-20) from a solution containing 0.010 M Cu2+ ion?
the weak base methylamine is titrated with 0.10 M HNO3. Calculate the pH after 20.0 mL and 60.0 mL acid addition (HNO3).
When ammonium chloride, NH4Cl, dissolves in water, the temperature of the solution is found to be less than that of the original water sample.
Calculate the energy per mL if the energy per gram for Methanol (MW = 32g) is 0.83 kcal/gram and for Ethane MW
Suppose that a 25-mL sample of a solution is to be tested for I- ion by addition of 1 drop (0.20 mL) of 0.27 M Pb(NO3)2. What is the minimum number of grams of I- that must be present
pure (R)-2-Methyl-2-butanol what will your product distribution of R & S alkyl halide be? Explain.
A metal crystallizes in a face-centered cubic lattice. The radius of the atom is 128 pm and the density of the element is 8.92 g/cm3. What is the identity of the metal?
You start with 50 mL of 1.0 M acetic acid. How many mL of the acid should you place in a 100?mL volumetric flask in order to prepare
Type your question hereA 0.1390-g rock sample of unknown concentration was dissolved in HCl and diluted to 100.0 mL. Aliquots of 10.00 mL of this unknown solution were added to different volumes
5 ml of 0.05 M CuSO4 solution was mixed with 5 ml of 3 M NH3 solution.Calculate [Cu2+] in equilibrium with Cu(NH3)4^2+. Experimentally the cell potential was found to be 0.387
Assuming the turbine is well insulated, what is the maximum power that can be generated by the turbine?
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