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Question- The molarity of the copper solution in the cuvet below was determined by spectrophotometric analysis to be 2.90 × 10-2 M Cu. Using the diagram below to help visualize the dilution process, calculate the grams of copper in the Jefferson nickel used to make the initial solution.Nickel placed into (A Beaker) then transfer 5ml into (beaker B) then into cuvet.
Be supposed to answer all parts thus I can get five stars
Explain what would be the molarity of a saturated aqueous solution of NaI prepared at 25 degrees C, pretentious that the added NaI does not add significantly to the volume of water
The boiling point of a certain pure liquid is 53.0 C and the enthalpy of vaporization is 32.7 kJ/mol at this temperature. The entropy of vaporization for this liquid is: in J/K mol
A sample of nitrogen (N2) has a volume of 50.0 L at a pressure of 760 mmHg. What is the volume of gas at a pressure of 1500 mmHg if there is no change in temperature
Why was it reasonable that such a model exists and what evidence was there that it works. why do we no longer believe in it
The element cesium (Cs) freezes at 28.4 degree celsius, and its molar enthalpy of fusion is delta H fusion =2.09kJ/mol. a.) when molten cesium solidifies to Cs (s) at its normal melting point, is delta S positive or negative? b.)calculate the valu..
The observed temperature increase is 2.64 °C. If the heat capacity of the calorimeter is 32.30 kJ·K-1, how many nutritional Calories are there per gram of the candy
Problem- If SRP's (reduction potential--E) correlate strongly with IE3 (third ionization energy) explain this trend-
What is the name and the geometric isomers structure of cis and trans of this coordination compound NH4[Pt(NH3)4Cl2]
the volume of 4 cubic meters of gas is kept under constant pressure. its tempeture is increased from a minus 73 degrees
When in a benedicts and barfoed's test the solutions changes from a clear blue liquid to a red/ brown precipitate, what is occuring, What is blue, what is red
placed in 1.00*10^3 g of water at 25C. final temp of this mixture was 26.3C. What is specific heat of metal?
If the system is allowed to expand as N2 is added at a cosntant total pressure of 1 bar, what will be the equilibrium degree of dissociation when the N2 partial pressure is 0.6 bar
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