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Question- A galvanic cell is prepared with a Cu electrode in a test tube containing 1.34 M Cu(NO3)2 and a Cu electrode in a test tube containing 0.0102 M Cu(NO3)2. Calculate the predicted E for the cell
Illustrate structures to prove your rezoning.
The decomposition of hydrogen iodide on finely divided gold 150 C is zero enter with respect to HI. The rate defined below is constant at 1.20X10-4 mol/L -s
under certain conditions, the combustion of charcoal (C) in the presence of o2 forms carbon monoxide (CO) according to the given balance equation.
Calculate the sulfur hexafluoride partial pressure when a circuit breaker with this gas mixture reaches its rated limit of -40.0 degree celcius. How does the density of the gas in the circuit breaker change as the temperature drops
What ions will the following elements form? Enter the letter of the item in Column Two that best matches the item in Column One.
A buffer is prepared by mixing 161 mL of 0.193 M NaOH with 695 mL of 0.687 M sodium bicarbonate (NaHCO3). Given that the Ka1 of H2CO3 is 4.5 x 10-7 and the Ka2 is 4.7 x 10-11, calculate the pH of the solution.
Calculate the minimum volume of distilled water, in liters, necessary to completely dissolve a 7.5 g sample of AgBr (s) at 298K. The molar mass of AgBr is 188 g mol ?
find the molar mass of the unknown. 16.6 degrees C freezing point acetic acid and 3.90 degrees C*kg/mol?
Describe the effect that the following procedural changes would have on the percent recovery of acetanilide. Rather than adding 0.5ml portions of boiling solvent to acetanilide, student added 5ml portions
You are provided a neutral (pH 7.0) aqueous solution of citric acid, caffeine, and triethyl amine. Provide a flow chart for how you would isolate pure caffeine from this mixture using, calcium carbonate, dichloromethane, sodium sulfate(drying), an..
a a 0.2527-g sample of a mixture of mgoh2 and aloh3 was treated with 50.00 ml of 0.225 mol l?1 hclaq. the resulting
The minimum volume % of vapor that gives a combustible mix is called the lower flammable limit (LFL). Generally, the LFL is about half the stoichiometric mixture, the concentration required for complete combustion of the vapor in air.
A 1.500 g sample of a compound containing merely C, H and O was burned completely. The only combustion products were 1.738 g CO2 and 0.711 g H2O. Explain what is the empirical formula of the compound. If the molecular mass of the compound was foun..
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