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Calculate the number of moles and the partial pressure of each gas in a 15.75 L container at 30.0 oC having a mixture of neon and xenon gases only. The mole fraction of xenon is 0.761 and the t
A voltaic cell has a cell potential of 0.72 V whose cell reaction is given below,Find out the maximum electrical work that can be acquired from this cell per mole of iron ion?
The Sulfur-35 is a radioactive isotope used in the medical and chemical research. Sulfur-35 a 0.48 mg sample has an activity of 20.4 Ci. Determine the decay constant of sulfur-35 (in /s)?
A solution of sodium iodide was given to a patient to test for malfunctioning of thyroid gland that containing iodine-131. Explain the fraction of the iodine-131 nuclei would remain un-decayed after
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Determine the maximum work available from 43.0 g of aluminum in the following cell when the cell potential is 1.15 V. Note that O2 is reduced toH2O.
The ice having a 50.0 g at 0 oC is added to 95.0 g of water at 32.0 oC. Determine the mass of ice that remains un-melted? (ΔHfus = 6.01 kJ/mol;sH2O = 4.18 J/goC)
For slowing down urban decay the development of inner city areas is very crucial. Explain in detail that how some large cities are working in the United States to stop the urban decay such as New Yo
Give a list the problems which are associated with the unplanned urban growth in your city. Suppose if you were a decision maker than from all kind of problem which problem would you tackle first?
22g of Carbon dioxide, 4g Hydrogen, 4gof Helium and 8g of Oxygen had a total pressure of 2.5 atm. Determine the partial pressure of each gas.
The Methyl amine having the weak base (Kb = 4.4 x 10-4). How many mL of 0.410 M HBr are needed to reach the equivalence point when a 35.0 mL sample of 0.250M CH3NH2 is titrated with a strong
It is given that a monoprotic organic acid with a Ka=6.7x10-4 is 3.5% ionized when 100.0 gram of it is dissolved in the 1.0 L. Determine the molecular weight of the acid?
A flexible container has the 1.5 L of gas at the sea level, when the pressure is 1.0 atm. When the pressure is 0.85 atm than calculate what will the volume be and the temperature remaining in the co
Determine the emf of a galvanic cell having of Cd+2/Cd half cell & Pt/H+/H2 half cell of (Cd+2)=.20M, (H+)=.16M & Pressure H2=.80 atm?
Determine the resulting pH if 0.02 mol of HCl is added to the original buffer and the resulting pH if 0.02 of NaOH is added to the original buffer.
In the biological system a number of metals are included in the redox reactions where the metal changes the state of oxidation. Identifies that which of the metals are most likely to take the part i
Determine the grams of precipitate which are formed from the addition of 1.00000 ml of 0.001000 M Silver 1 Nitrate with 1.00000 ml of .0010000 M Sodium Chloride. Explain what will be the ppm of
Their pKa values are 4.72 and 4.8respectively. Determine the butyric acid in a solution in which thestoichiometric concentrations of HN3 and HC4H7O2 are 0.121 mol/Land 1.83 * 10^-6 mol/L correspondi
You find that the only organic chemicals that you have are propane, acetylene, 2-bromopropaneand 1, 1-dichloro-3-methylbutane and idomethane during the checking your inventory. Explain how would you
Explain why does the freezing point of a solution continue to reduce with the time that is the graph has a slope which is less than zero, rather than reside constant, as in the case of the pure solv
The freezing point is depressed by1.74°C when 0.593 g of an unknown solute is dissolved in the 14.9 g of water. Determine the molecular weight of unknown solute, assume that it is a non-electrol
The freezing point of the solution is 4.25°C when 0.72 g of acetic acid is dissolved in 25.0 g of benzene. Determine the apparent molecular weight of acetic acid in the benzene.
Discuss in detail that what would be the outcome of having phosphate in the buffer be? Explain what would this change the graph if it is a noncompetitive inhibitor?
The Hydrofluoric acid is a weak monophonic acid (at 25 degree Celsius pKa= 3.18). Calculate the pH of 0.161 mol/L HF (aq) at the 25 degree Celsius?
Explain in detail that which type of steps and the mechanisms are involving for cationic polymerization that includes the AlBr3 as initiator and C(CH3)3Br as co-initiator?