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Regard as two cells the first with Al and Ag electrodes and the second with Zn and Ni electrodes each in appropriate 1.00M solutions of their ions.
a) If connected as voltaic cells in series which two metals are plated as well as what is the total potential?
b) If connected such that one cell acts as a battery to power the other as an electrolytic cell, explain which two metals are plated and what is the total potential?
c) If 3.00g of metal is plated in the voltaic cell explain how much metal is plated in the electrolytic cell?
What is the volume in mL of 0.664 M HCl(aq) needed to neutralize the hydroxide ions present in 32.2 mL of 0.851 M NaOH(aq).
p-Dichloobenzene (PDCB) is replacing naphthalene as the active ingredient in mothballs. Calculate the value of K sub f for camphor if a 0.289 m solution of PDCB in camphor decreases the freezing point pf camphor by 11 degrees celsius.
what is the minimum amt of ethnaol needed to recrystallize a 2.0gsample of cmpd x?after recrystallization of the 2.0g
Calculate the amount of heat transferred when 7.10 g of Mg(s) reacts at constant pressure with excess oxygen. How many grams of MgO are produced during a run of this reaction which experiences an energy change of - 234 kJ
by solving this problem student is ablenbsp to understandnbsp how to calculate theoretical and percent yields in an
An unknown gas composed of homonuclear diatomic molecules (its structure is X2) diffuses at a rate that is 1.07 times that of O2 at the same temperature. What is the identity of the unknown gas
how many liters of gas would be formed at 510 degrees c and 1.00 atm pressure by explosion of 405g of nh4no3 ?given the
How many moles of potassium carbonate will be produced if 311 g of potassium hydrogen carbonate are heated
Suppose we had ran the oxidation reaction with racemic borneol. Is there an analytical technique we could use to verify that the camphor also is racemic. What type of instrumentation would you use. What kind of results would you expect for a racem..
If the mass of the metal cylinder pictured below is 18.71 g, calculate the density of the cylinder.
n2g 3 h2g harr2nh3gstarting with initial concentrations of 0.400 m and .600 mconcentrations of nitrogen and hydrgon
If more NH4HS is added to a flask in which this equilibrium exists, how is the equilibrium affected? What is some additional NH3 is placed in the flask? What will happen to the pressure of NH3 if some H2S is removed from the flask?
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