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Write the balanced equation and determine the standard cell potential for each of the following cell notatio
Fe(s) |Fe^2+ (aq) | |NO3^- (aq) | NO (g) | Pt(s)
Find the confidence limit (95% confidence level), true value (from literature), absolute error, and relative error).
If the symbol X represents a central atom, Y represents outer atoms, and Z represents lone pairs on the central atom, the structure Y--X(with 2 lone pairs)--Y can be abbreviated as XY2Z2
What is ?, the electromotive efficiency to three significant figures?? Open the hint panel below for the definition of electromotive efficiency. (d) What is the pH of an unknown that gives a reading of 19.6 mV with this electrode at 30°C?
Consider the titration of 30mL of 0.030 M of NH3 with 0.030M HCl. Calculate the pH after the following volumes of titrant have been added
calculate the number of moles of AgCrO4(Ksp=9.0x10^12) that will dissolve in 1.00L of 0.010 M K2CrO4 solution. what will be the ion concentrations at equilibrium?
A gas mixture being used to simulate the atmosphere of another planet consists of 324 mg of methane, 217 mg of argon, and 228 mg of nitrogen.
A mixture of gases contains 8.10 g of N2, 1.90 g of H2, and 3.50 g of NH3. If the total pressure of the mixture is 2.60 atm, what is the partial pressure of each component?
The cell potential of the following electrochemical cell depends on the gold concentration in the cathode half-cell: Pt(s) | H2(g,1atm) | H+(aq,1.0M) | Au3+(aq,?M)|Au(s).
A 15 gram piece of iron is heated to a temperature of 47.0 ?C and then placed in contact with a 275 g piece of copper at 20.0 ?C (Cp = 25.46 J/mol-?C). What was the final temperature of the two pieces of metal?
This product contains no chemicals." What does this really mean and how do you feel about "natural" vs "synthetic" products?
What would the name of the species in the aqueous layer be when the mixture mentioned above is extracted with either sodium hydroxide or sodium bicarbonate?
A gas-filled balloon having a volume of 6.00 L at 1.2 atm and 25°C is allowed to rise to the stratosphere (about 30 km above the surface of Earth), where the temperature and pressure are -23°C and 3.00 10-3 atm, respectively. Calculate the final v..
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