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Question - A current of 5.13 A is passed through a Pb(NO3)2 solution for 1.40 hours. How much lead is plated out of the solution?
Please assists me to understand How to do fix this?
radioactive gold-198 is used in the diagnosis of liver problems. the half life of this isotope is 2.7 days. if you
Born-Haber cycles are called cycles because they form closed loops. If any five of the six energy changes in the cycle are known, the value of the sixth can be calculated.
sample of ideal gas be compressed at constant temperature for delta s system to be -3.4j/k
Provide the mechanism for the preparation of p-nitrobenzene diazonium cation from p-nitroaniline and nitrous acid, HNO2.
Compute the concentration of the lycopene solution in the spectrophotometer cell before isomerization, given that the molar absorptive of lycopene at 471nm is 1.86 x 10^4
Then she added 90ml of water to the same solution making it a total of 100ml and checked the solutions pH and it was 3. Predict the pH of the solution if Amber adds 900ml of water to the solution. Explain why you predicted that pH.
Three solutions are mixed together to form a single solution. One contains 0.2 rm mol rm Pb(CH_3COO)_2, the second contains 0.1 rm mol rm Na_2S, and the third contains 0.1 rm mol rm CaCl_2.
Determine the amounts of solute and solvent needed to prepare 2.0M aqueous NaCl solution
Sodium phosphate is added to a solution that contains 0.0014 M aluminum nitrate and 0.078 M calcium chloride. The concentration of the first ion to precipitate (either Al3+ or Ca2+) decreases as its precipitate forms
Calculate the pH of the solution resulting from the addition of 10.0 mL of 0.10 M NaOH to 50.0 mL of 0.10 HCN solution.
what is the vapor pressure of ethanol at 20 celcius is 44mm, and the vapor pressure of methanol at the same temperature is 94 mm. Assuming an idea solution, what is the vapor pressure of a solution made from 30.0g of methanol and 45 g of ethanol
When 5.88 g of CaO (s) is completely dissolved by HBr (aq), how many grams of calcium bromide are formed in solution
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