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Consider two cells, the first with Al and Ag electrodes, and the second with Zn and Ni electrodes, each in appropriate 1.00 M solutions of their ions. a) If connected as voltaic cells in series, which two metals are plated, and what is the total potential? (Al,Ag,Zn,Ni) b) If connected such that one cell acts as a battery to power the other as an electrolytic cell, which two metals are plated, and what is the total potential? (Al,Ag,Zn,Ni) c) If 3.70 g of metal is plated in the voltaic cell, how much metal is plated in the electrolytic cell?
What is the percent purity of a soda ash sample if it took 42.15 mL of 0.1100 M hcl to titrate 0.5017 of the sample ?
A volume of 485 mL of argon at 45.0°C and 1.00 atm is combined with 210. mL of xenon at 23.7°C and 3.91 atm in a new flask that has a volume of 350. mL. What is the total pressure (in atm) of gas in the flask at 36.0°C
If 435 grams of water at 23 celcius abssorbs 281 kJ of heat froma mountain climber's stove at an elevation where the boiling point of water is 87 celcius
Primary alcohols can be oxidized to aldehydes and carboxylic acids. Often it is difficult to stop at the aldehyde oxidation state. One method frequently used to accomplish
Determine the pH of a solution that is 1.80% NaOH by mass. Assume that the solution has density of 1.01 g/ml.
If 17.2 mL of 0.800 M hydrochloric acid solution are required to neutralize 5.00 mL of a household NH3 solution, determine the molar concentration of the NH3,ammonia?
Explain why is it necessary to determine the temperature during the determination of the density of the sodium chloride solutions. Which factor, mass or volume utilized in calculating the density would be affected by temperature. Explain.
At 298K, 125 ml of 0.60 M potassium hydroxide KOH is added to 175 ml of 0.40 M hydrochloric acid HCl. What is the final pH
calculate the number of grams of solute that would be needed to make each of the following solutions2.50 x 102 ml of
A 85.0 mL sample of 0.175 M. proprionic acid, HC3H5O2 (Ka = 1.30 X 10-5) is titrated with 0.125 M. KOH. What is the pH after 50.0 mL of the KOH have been added
Compute the concentration of Zn2+ in a solution prepared by mixing equal volumes of 5.0x103 M Zn(NO3)2 and 0.10 M NaCN. Ignore the hydrolysis of CN(aq).
Question- A sample of gas occupies a volume of 70.0 mL. As it expands, it does 145.6 J of work on its surroundings at a constant pressure of 783 torr. What is the final volume of the gas
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