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(a) A voltaic cell is constructed with all reactants and products in their standard states Will this condition hold as the cell operates? Explain.
(b) Can the Nernst equation be used at temperatures other than room temperature? Explain.
(c) What happens to the emf of a cell if the concentrations of the products are increased?
Question- The common isotopes of carbon are 12C and 13C. The average mass of carbon is 12.01115 amu. What is the abundance of the 13C isotope
a house is occupied by 5 persons and each person releases heat at a rate of 360 kjh. the house is also equipped with 10
Qualitative Approach: How is the solubility of CaF2 in water different from its solubility in Ca(NO3)2? Is CAF2 more or less soluble in water than Ca(NO3)2?
how many grams of ammonium phosphate need to be combined to 500. grams of water if the freezing point of the solution
Problem- a) A buffer is created by adding 0.20 moles of Acetic Acid (Ka= 1.7X10^-5) and 0.15 moles of Sodium acetate to a 1.00 L container. What is the pH of the buffer
Magnesium metal is used as a sacrificial anode to reduce the corrosion of underground storage tanks (made of iron, or more accurately, steel which is an iron/carbon alloy). As a result the sacrificial metal corrodes instead of the iron. Explain th..
A one mole sample of a monatomic perfect gas with a constant pressure heat capacity of 20.85 J/Kmol is initially at a pressure of 3.25 bar at 200K. It undergoes an adiabatic reversible expansion until its pressure is 1.52 bar.
How many grams of dry NH4Cl need to be added to 1.50 L of a 0.800 M solution of ammonia,NH3 , to prepare a buffer solution that has a pH
Problem- Write an equation that represents the formation of a part of the polystyrene polymer from three of the monomer units.
Calculate the molarity of a solution made by dissolving 0.140 mol Na2SO4 in enough water to form exactly 800mL of solution.
The temperature of 2.00 moles of Ne(g) is increased from 25 C to 200 C at constant pressure. Calculate the change in the entropy of Neon.
A room temperature aqueous solution is 0.10 M in zinc acetate, 0.50 M in strontium acetate and 15.2 M in nickel (II) acetate. At what concentration of carbonate does a solid first appear in the solution?
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