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Problem- Ascorbic acid, also known as Vitamin C, has the molecular formula, C6H8O6. Calculate the %C (by mass) in ascorbic acid( ) %?B-Given the following balanced equation for the reaction that occurs each time we use the lead storage battery in our automobiles:
Pb + PbO2 + 2 H2SO4 â?? 2 PbSO4 + 2 H2O
Calculate the grams of water that form when 39.4 g of PbO2 reacts( ) g
C-Calculate the mL of 6.00 M HCl needed to prepare 2.00L of 0.140 M HCl by dilution.
Please illustrate work as well as walk me during the problem so that I can follow and understand it.
the equation for a van der waals gas in p na2v2v-nbnrt. 5 moles of the van der waals gas nitrogen expands irreversible
The professor wants us to do the following: Outline all steps in the possible synthesis of each of the following compounds from benzene and / or toluene
The temperature dependence of the vapor pressure is given by the equation: Ln p = Ln A - deltaH(vapor)/RT. Where p = pressure, T = temperature, A = pre-exponential constant, and delta h (vapor) is the enthalpy of vaporization. Solve for vapor pres..
When an ice cube is dropped into a Styrofoam cup containing 195 g of coffee at 97.0 oC, the thermal energy used to melt the ice is 2.1 kJ what is the final temperature of the coffee closest to ? (Assume a specific heat of 4.184 J/g oC for the coff..
find the theoretical percent yield amp percent error of the reaction.zirconium oxalate k2zrc2o43h2c2o4middoth2o was
Metabolic regulation is achieved via regulating enzyme activity in 3 ways: allosteric regulation, covalent modification, and enzyme synthesis/degradation
A sample of pure NO2 is heated to 336 C at which temperature it partially dissociates according to the equation 2NO2->O2+2NO
A very long insulating cylindrical shell of radius 6.70cm carries charge of linear density 8.60Nc spread uniformly over its outer surface.
during lightning flashes nitrogen combines with oxygen in the atmosphere to form nitrogen monoxide no which then reacts
Calculate the change in copper entropy associated with cooling one mole of copper over the following two ranges. Use the full form of Cp (if Cp is needed).
Write the molecular and net ionic equations for the reaction in aqueous solution of sodium sulfide and sulfuric acid. Explain why the reaction goes to completion.
In looking at the solubility rules, it seems that Calcuim Hydroxide is soluble in water. But does it really precipitated out during an experiment. How could this happen
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