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E. The "Zebra" cell was invented in 1985 in South Africa as part of the "ZEolite Battery Research Africa" project, and is used in all-electric municipal buses and other vehicles. It uses nickel and molten sodium as its electrodes. Its overall cell reaction is........... NiCl2(l) + 2Na(l) <--> Ni(s) + 2NaCl(l)............... 1.What is the E^o for the Zebra cell?................... 2.Are the reactants in this battery at room temperature when it is operating? Explain how you know.
Titration of a .7439g sample of impure Na2B4O7 required 31.64mL of .1081M HCl. Express the results of this analysis in terms in percent
The element bromine was first prepared by oxidation of aqueous potassium bromide with solid manganese(IV) oxide. Write a balanced net ionic equation for the reaction in aqueous acidic solution
Choose the correct answer of the following, explain why it is true, and explain why the other choices are untrue: (A) high pE is associated with species such as CH4, NH4+
determine the actual yield If the percent yield of the reaction in B was 91% describes the oxidation of ethanol (C 2 H 5 OH) to acetic acid (CH 3 COOH) by potassium permanganate (KMn04
The equilibrium constant, Kc, for the reaction at 25 C is 170. Suppose 15.6 g of N2O4 is placed in a 5.000-L flask at 25C. N2O4 (g) ---> 2 NO2 (g) Calculate the following
What is the total sample size (in grams) for a sample of sodium sulfate which contains 3.63 g of oxygen
You performed these reactions in an acidic solution(diluting with 0.1MHNO3). This is because iron forms an insoluble hydroxide even when these solutions do not contain excess hydroxide ion (i.e. even in slightly acidic solutions)
a.) Can you be certain that the organic layer would from the upper layer? Eplain in details. b.) How could you test to determine which is the non aqueous layer? Explain in details.
If we made an aqueous solution from 7.7 g of C6H12O6 in a 250 mL volumetric flask, what would be the concentration of C6H12O6 in units of molarity
A 10 g sample of acetic acid, HC2H3O2 was burned in a bomb calorimeter in an excess of oxygen. The temperature of the calorimeter rose from 25 degree C to 35.84 degree C
Seawater contains approximately 3.5% NaCl by mass and has a density of 1.02g/ml. What volume of seawater contains 6.5g of sodium
why metal sulfide compounds can only form after the hydrothermal fluids escape into the open seawater.
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