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How will not knowing the difference between elements, compounds and mixtures have an affect on the concepts of organic chemistry? Why is it important to understand the concept behind elements, compounds and mixtures to succeed in organic chemistry?
calculate the velocity of electrons emitted from molecules in which the binding energies are 10ev, 100ev, and 500ev
If a 0.140 mM solution of MnO41- has an absorbance of 0.210 at 525 nm in a 1.000 cm cell. What is the concentration of a MnO41- solution that has absorbance of 0.620 in the same cell at that wavelength
When anisole is nitrated with nitric acid/sulfuric acid, what product or product mixture is formed?
A single beam photometer with a linear response showed a detector signal of 73.6 uA for a blank solution. Replacing the blank with the sample solution yielded a signal of 24.9 uA. What is the transmittance expected for a sample solution of twice t..
Calculate ?G for the reaction A+A--> P+ Q at 37 degrees C when the equilibrium concentrations are [A]=1 µM [Q]=2 mM, [P]=4 mM. Is the reaction exergonic or endergonic under standard conditions
a piece of metal with a mass of 151 g is placed in a 50 ml graduated cylinder. the water level rises from 20. ml to 35
How the groups are numbered in modern periodic table? How the groups were numbered in periodic table of American system of naming? How the groups were numbered in periodic table of European system of naming?
Question- What mass of aluminum metal can be produced per hour in the electrolysis of a molten aluminum salt by a current of 25 A
Predict which of the following liquids has greater surface tension: ethanol (C2H5OH) or dimethyl ether (CH3OCH3).
It is found that a gas undergoes a zero-order decomposition reaction in the presence of a nickel catalyst. If the rate constant for this reaction is 8.1 x 10-2 mol/ (l*s), how long will it take for the concentration of the gas to change from an in..
Calculate delta G at 298 K for the formation of 1 mole of 03 from 02 in urban smog, where [O2]=0.210 atm and[O3]=5.00x10^-7 atm
Are the physical and chemical properties of a compound necessarily similar to those of the elements of which it is composed
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