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Reflect on an electrochemical cell which is constructed from the following half cells, linked by a KCl salt bridge and by an external circuit.
In the composite ion [ML6]n+, Mn+ has seven d electrons and L is a strong field legend. Here the magnetic properties of the composite ion correspond that determine the number of unpaired electrons
Determine the de Broglie wavelength of a baseball of mass 0.17kg which is thrown with a velocity of 30 m/s.(me(mass of electron)= 9.1093819E-11)
The helicopter hovers 1830 feet above the island. Angle of depression from helicopter to the point on coast is 38 degrees. Determine distance of island from coast in feet?
The freezing point of t-butanol is 25.50°C and Kf is 9.1°C·kg/mol. Usually t-butanol absorbs water on exposure to air. If the freezing point of a 30.0 g sample of&nb
Describe the composition of a methanol (CH3OH)-propanol (CH3CH2CH2OH) solution which is having a vapor pressure of 188 torr at 40°C? At 40°C, here the vapor pressures of pure methanol is 303
A bottle of wine having the 14.5% ethanol by volume and where the density of ethanol (C2H5OH) is 0.789 g/cm3. Determine the concentration of ethanol I in wine in terms of mass molality and percent.
Suppose sequence is arithmetic. Determine function a(n) which explains sequence and determine 19th term of sequence
Determine present value PV of annuity necessary to fund withdrawal given. (Suppose end-of-period withdrawals and compounding at same intervals as withdrawals.)
Ir; the new world of international relations, Assignment 1: The Cold War and U.S. Diplomacy Due Week 5 and worth 135 points Select a president from the table, “Presidents and Their ‘Doctrin
The 3.33 gram sample of iron ore is distorted to a solution of iron (II) sulfate and this solution is titrated with the 0.150 M potassium dichromate.
At the developing process of film of black and white film, the silver bromide is removed from the photographic film by the help of fixer. The major component of the fixer is sodium thiosulfate.
The magnesium is used in the airplane bodies and the other type of lightweight alloys. Thus the metal is obtained from the seawater in a procedure that involves the neutralization, precipitation, el
Suppose you have to make a pH 3.50 buffer and also you have 0.10 M solution of HCOOH and the 0.10 M HCOONa, Determine the number of milliliters of each solution would you use to prepare a liter of
If 0.86 mole of MnO2 and 48.2 g of HCl react, which reactant will be used up first? Determine the number of grams of Cl2 will be formed?
In one experiment 0.886 mole of NO is mixed with 0.503 mole ofO2. Conclude which of the two reactants is the limiting reactant. Determine also the number of moles of NO2 formed.
Which is starting with the 3.60 moles of CO, compute the number of moles of CO2 formed if there is enough oxygen gas to react with the entire CO?
The % composition of cytosine is 29.74 % C, 5.82 % H, 26.41 % O, 11.56 % N, and 26.47 % S. Determine the molecular formula if its molar mass is apron. 121 g?
The Paradichloro-benzene having only the C, H, and Cl and has a molar mass of about 147 g. Here it is Given that combustion of 1.68 g of this compound creates 3.02 g CO2 and 0.412 g H2O, conclu
Conclude the empirical formula of an organic compound which is containing only C and H given that combustion of a 1.50 g sample of compound produces 4.71 g CO2and 1.93 g H2O
The Lactic acid consists of C, H, and O, has long been thought to be responsible for muscle soreness following strenuous exercise. Calculate the empirical formula of lactic acid given that the comb
The Menthol extracted from pepper mint oil which is a flavoring agent and it contains the C, H, and O. In one combustion analysis, 10.00 mg of the substance yields 11.53 mg H2O and 28.16mg CO2. Dete
Determine exponential growth function. Determine population be after 7 days? After 2 weeks? Compute the doubling time.
The department store has two locations in the city. From 2004 through 2008, profits for each of store's two branches are modeled by functions. Determine the slope of f? Explain what this means.
Determine equation of the sine wave which is obtained by shifting graph of y=sin(x) to the right 7 units and downward 2 units.