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Explain the lead acid battery with a photographic details of structure. Also, mention the design process of this category of battries.
The density of the unknown solution is 1.232g/mL. Calculate the specific gravity of the solution.
Problem- A solution is prepared by addind 3.6 mol of KCN to 1.00 L of 0.16 M Zn(NO3)2. What is the equilibrium concentration of Zn2+ ions. (Kf=4.2x10^19 for Zn(CN)4^-2
Explain why do we need potassium carbonate before distillation? I did an ethanol from sucrose lab as well as the TA had to put potassium carbonate in the mixture before we utilized fractional distillation to separate the 3 liquids
what is the total number of joules absorbed by 65.0g of water when the temperature of the water is rasied from 25.0 c to 40,0 c?
Calculate the pH of a buffer solution prepared by dissolving 0.20 mole of sodium cyanate (NaCNO) and 1.0 mole of cyanic acid (HCNO) in enough water to make 1.0 liter of solution.
If N grams of H20 are formed in the above reaction, obtain an expression in terms of N giving the number of grams of CO2 formed in the same reaction.
For the structural stone marble, the specific heat is 0.858 J/g*degrees C. How much heat is absorbed by a 35 g sample of marble if its temperature is raised from 27 degrees C to 55 degrees C
A hydrate of calcium chloride contains 49.3% water and has a formula weight of 219 g/mol. Calculate the molecular formula of the hydrate.
Assuming the delta S does not change with temperature, estimate the temperature at which iodine would sublime.
Titration of 50 mL of a wastewater sample with 0.0737 M EDTA yielded a calmagite endpoint after addition of 12.13 mL of the EDTA. What is the hardness expressed in mg/L of CaCO3
buffer solution from a solution of 0.200-M aniline, C6H5NH2, a weak base, and a solution of 0.100-M hydrochloric acid. take the pKa of aniline to be 9.13.
Why do you suppose that the dehydration of cyclohexanol to cyclohexene has been the tradiotional experiment to illustrate the acid-catalyzed dehydration of an alcohol to an alkene?
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