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A sample of green crystals of Nickel (II) Sulfate heptahydrate was heated carefully to produce bluish green nickel (II) sulfate hex hydrate.
Determine the purpose of such an addition, and discuss the procedure called? When extracting an organic compound from an aqueous solution into an organic solvent e.g., diethyl ether, a chemist will
Write down a balanced chemical equation which if you calculated its enthalpy would give you the sum of all the C-H, C-C, C-O, and C-H(i.e. all the bonds) of C6H12O6.
Write down the balanced chemical equation, which if you calculated its enthalpy would give you the enthalpy of combustion of glucose. C6H12O6
Determine free pCa in 100 mL of the solution of 0.100 MCa2+ at pH = 10 after adding the 100 mL of 0.100 M EDTA ; Conditional formation constant Kf' = 1.75 X1010 ; pCa = -log [Ca2+].
During coulometric titration of an organic compound, XH2 , with an iodide solution, the time to reach the endpoint was 30.0s at 5.0 mA. ( The XH2 molecular weight was 85.00 g/mol). F = 96490
Determine the coast of heating 200 mL of water (enough to make a cup of coffee or tea) from 20 degree C to 100 degree C. A gas company in Massachusetts charges $1.30 for 15 cubic feet of natural gas
Every 12 hours, 500mL of a solution that is 5.0%(m/v) amino acids (protein) and 20% (m/v) glucose (carbohydrate) is given along with 500mL of a 10% (m/v) lipid (fat) when a patient receives all her
Acid rain a4 poster, I need an A4 poster designed using pictures and words on - problems, causes and solutions of Acid Rain, this needs to be sent so that I can print off and I need it by 7am tomorrow
A sample which is having 0.692-g of glucose, C6H12O6, is burned in a constant volume calorimeter. The temperature rises from the 21.70 °C to 25.22 °C.
How much of the ice melted and how much remained the floating in the beverage? Suppose the specific heat capacity of tea is the same as that of pure water. Three 45-g ice cubes at 0 °C are dropp
When the intermediate compound formed what product is ultimately produced, when pyrrolidine and cyclohexanone is mixed with the ally chloride is heated and then hydrolyzed?
Estimate the freezing point of the liquid at100MPa when a certain liquid freezes at the -3.65 degree C its density changes from 0.789 g cm^-3 to 0.801 g cm ^-3. Its enthalpy of fusion is 8.68 kJ/mo
Explain why we required stirring the mixture vigorously during the reaction, in LAB the Phase-Transfer Catalysis: Addition of Dichlorocarbene to Cyclohexene.
Iron in the +2 oxidation state reacts with the potassium dichromate to form the Fe3+ and Cr3+ according to the equation 6Fe2++Cr2O72- + 14H+ →6Fe3+ + 2Cr3+ + 7H2O.
Estimate the reaction of (R)-1-chloro-1-iodoethane with NaOH in anaptotic polar solvent at low temperature. The reaction seems to me to be perfectly set up for a Sn2 reaction. One of the substituti
Explain how would you separate a mixture of an amine (RNH2), a carboxylic acid (RCOOH), a hydrocarbon (RH) and a phenol (ArOH) using chemically active extraction?
The transporter beam is a device used to "beam down" people from the Starship Enterprise to another location in the television series Star Trek, such as the surface of a planet.
What is the exact mass of the molecular ion of penicillin V if the Penicillin V has a molecular formula of C16H18N2O5S? Determine the molecular weight of Penicillin V? And clear explain why th
Determine the numbers of moles of ions in total are released when the 0.54 mol of cobalt (II) chloride, CoCl2, is dissolved in the water?
Determine the numbers of milliliters of 1.58 M HCl are required to react completely with the 23.2 g of NaHCO3 (MW= 84.02 g/mol) ? Check to see if the reaction is balanced first
Give a mechanistic explanation for these observations when the reaction of 2,2-dimethyl-1-propanol with HBr is very slow and gives 2-bromo-2-methyl-propane as the major product.
Estimate the heat of solution for ammonium nitrate per gram? Suppose the specific heat for the solution is 4.184 J /g C. If 10.0g of NH4NO3 added to 50ml of water cause a 14.3degree Celsius decrease