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A voltaic cell is constructed by immersing a strip of silver in a 1.0M AgNO3 solution and a strip of cadmiun metal in a 1.0M Cd(NO3)2 solution. The circuit is completed by a wire and a salt bridge in the usual way. What is the cell potential for the voltaic cell described above?
A. Write the balanced overall cell reaction.
B. write the balanced half reaction that is occurring at the anode.
C. What would the potential of the cell be if it was modified to use a 0.10M AgNo3 solution and a 0.30M Cd(No3)2 solution instead?
A solution of ethanol (C2H5OH) in water is prepared by dissolving 67.5 mL of ethanol (density = 0.79 g/cm3) in enough water to make 250.0 mL of solution. What is the molarity of the ethanol in this solution?
100g of water (specific heat=4.184 J/g*C) and 100g of a metal sample (specific heat=0.397 J/g*C) are heated from 25 degrees celcius to 75 degrees celcius. Which substance required more thermal energy to reach 75 degrees celcius?
Calculate the number of moles of the base. Calculate the molarity of the acid solution.
a flask that can withstand an internal pressure of 2500 torr, but no more, is filled with a gas at 21.O C and 780 torr and heated. At what temperature will it burst?
A balloon equipped with a UV spectrometer was flown in the stratosphere to measure the [O_3] at an altitude of 25 km. The spectrometer had an absorbtion path length of b= 1000.0 m and measured a transmittance of T = 0.6952. Determine the concentr..
A solution of methanol, CH3OH, cotains 55.0 grams of methanol in 100. mL of water solution. What is the molarity of methanol in the solution?
A tank initially at a pressure of 6.70 atm contains 20.0 moles of oxygen gas at 25.0 degrees celsius. Its temperature is then increased to 45.0 degrees celsius
Lead(II) sulfide was once used in glazing earthenware. It will also react with hydrogen peroxide (H2O2)to form lead(II) sulfate and water. How many grams of hydrogen peroxide are needed to react completely with 265 g of lead(II) sulfide?
A bunsen burner uses the combustion of butane (c_4_H_10_) as a means to provide heat. If during a laboratory experiment the class uses 875 grams of butane. how many grams of each product will be produced?
Consider the compound (Z)-3-hexene (B). Draw the bondline structures of the isomers of this compound in the manner requested. i) an isomer E that is the most reactive or reacts at the fastest rate during an addition reaction.
Discuss two ways that ammonium compounds decompose when they are heated. What chemical reaction is involved in the thermal decomposition of ammonium persulfate?
Nitroglycerine decomposes violently according to the unbalanced chemical equation below. How many total moles of gases are produced from the decomposition of 1.00 mol C3H5(NO3)3?
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