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An electrochemical cell is based on the following two half-reactions: Ox: Sn(s)→Sn2+(aq, 2.00M )+2e- Red: ClO2(g, 0.150atm )+e-→ClO-2(aq, 1.75M ) What is the cell potential at 25 degrees C?
determine how many kgs of ca are there in a 205-pound man if 1.4 percent of the mass of a human body is calciumca?an
what molecule would give the following mass spec data. this molecule shows three significant fragment ions. Alpha-fragmentation forms the m/z =59 base peak
Calculate the freezing point of each of the solution 75.0 g of glucose,C6H1206 , added to 0.539 kg of water. Calculate the boiling point of the solution. 75.0 g of glucose,C6H1206 , added to 0.539 kg of water.
At noon on a clear day, sunlight reaches the earth's surface at Madison, Wisconsin, with an average power of approximately 8.00 kJ·s-1·m-2. If the sunlight consists of photons with an average wavelength of 510.0 nm
How many grams of glucose are needed to prepare 400 g of 2% m/m glucose solution 2) how many moles of cacl2 are in 250 ml of a 3 m of cacl2 solution
The basicity test differentiates aromatic and aliphatic amines based on their solubility in a pH 5.5 buffer. Given that Kb for aniline is 4.2 x 10^-10 and Kb for cyclohexylamine if 5.0x10^-4, calculate the ratio of amine salt to dissolved amine fo..
Show that the enthalpy of combustion of saturated hydrocarbons may be expectred to follow the relation
Approximate the heat of reaction for the following equation using thermodynamic tables: CuO (s) + AgNO3 (aq) Cu(NO3)2 (aq) + Ag2O (s)
Calculate the cell potential at 298 K of the galvanic cell below. Assume no current draw and a perfect salt bridge. Pt(s)| Cu2+ (0.05 M), Cu+ (0.50) || Fe2+ (0.01 M), Fe3+ (0.10 M) | Pt(s)
the rate constant for the second order -reaction is 2NOBr(g)------>2NO(g)+Br2(g) is 48 L/mol*min at a certian temperture. How long will it take for 90.0% of a .0200M solution of NOBr to decompose.
the combustion of octane c8h10 with molecular ocygen is an exothermic reaction that produces carbon diocide and water.
What is the standard free energy of the cell. Is this process spontaneous or non-spontaneous. It makes sense that in order to produce electricity, the plant's redox process should be spontaneous.
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