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we constructed galvanic cells with the following solutions (with a their respective metals used as cathodes): KNO3 was used to construct a salt bridge to all the following solutions: ZnSO4, CuSO4, FeSO4, NI(NO3)2, KI/I2. we then used a multimeter to test voltaages, this is what we came up with for results: Cell Anode Cathod Voltage Assuming that the reduction potential for the most active metal is 0 V Zn + Cu Zn Cu 1.01 Using observed voltages determine the reduction potentials for the other Zn+Fe Zn Fe .39 oxidized species investigated. Zn+NI Zn Ni .25 what was strongest oxidizing agent?/reducing agent? Zn+I2/I- Zn I2/I- 1.31 what is the highest cell voltage that could be used from the half Fe+Ni Ni Fe .16 cells used in this experiment? Fe + I2/I- Fe I2/I- .92 supposed taht Fe/Fe2+ was used as the reference reaction instead of the one that included the most active metal. what would Ni+I2/I- Ni I2/I- 1.03 the highest cell voltage that could be constructed from 1/2 cells be? determine value for delta G0 for the following systems using your value for E0 Zn + Fe2+ = Zn2+ + Fe Cu + Zn2+ = Cu2+ + Zn order the following in order of activity, w/ most active first: Cu, H, Fe, Ni, Zn, Na, Mg, Ag
How many grams of magnesium oxide are formed when 16.4 of oxygen gas, measured at STP, completely reacts with magnesium metal according to this reaction
A 25.00 mL portion of 0.100M Ag+ is added to a solution containing 0.0010 mole of Cl-. This solution is then titrated with 0.0500M SCN- to the end point. Calculate the volume of SCN- is required for the titration.
Write the reaction equation for acid-base equilibrium between hypochlorous acid and hypochlorite ion.
a liquid unknown was found to be inslouble in water amp soluble in cyclohexane amp alcohol the unknown was found to
What is the concentration (in M) of the chloride ion when 16.2 mL of a 0.542 M solution of barium chloride is combined with 18.4 mL of a 0.619 M solution of aluminum chloride? Assume the volumes are additive.
What is the total pressure in a 11.0 L flask 20.0°C, which contains 0.127 moles of H2 and 0.288 moles of N2
a sample of chlorine which has an average atomic mass of 35.86 consists of two isotopes with mass of 35 and 37. what is
Fiber is an indigestible cellulose product that passes through our system without getting metabolized. If your burned food contained a lot of fiber, how would you expect your calorie value to the "posted" calorie value on the box
The literature Ksp value for Mg(OH)2 is 1.810?11. (a) Calculate the theoretical [OH-] in a saturated solution of Mg(OH)2.(b) What volume of 0.00209 M HCl would be required to neutralize the OH- in 100.0 mL saturated Mg(OH)2 solution
The atomic weight of a newly discovered el- ement is 98.225 amu. It has two naturally occuring isotopes. One isotope has a mass of 96.780 amu. The second isotope has a per- cent abundance of 41.7%. What is the mass of the second isotope?
An aqueous solution with a specific gravity of 1.12 flows through a channel with a variable cross section, data taken at two axial positions in the channel are shown here. Point 2 is 6.00 meters higher than point 1.
A sample of neon gas used in a neon sign occupies a volume of 1.50 L at a pressure of 630 torr. Calculate the volume of the gas if the pressure in the glass tube of the sign is 793 torr.
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