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Is Guanine aromatic? It the C=O bond on top's pi electrons is outside of the ring. I was pretty sure it is not aromatic but I read somewhere that it is.?
How is concentration an intensive property? I mean if you add more amount of a substance(mass), the number of moles increase and so the concentration increases.
Compute the molecular formula of CH 3 COOH the percent composition of acetic acid is 39.99% C and 6.73% H. The remainder of the compound is oxygen.(The molar mass of acetic acid is 60.06 g/mol.)
the mileage for a motorcycle with a fuel tank capacity of 22 l is 35 miles per gallon. the density of gasoline is 0.74
The Cd2 was displaced from EDTA by the addition of an excess of CN-. Titration of the newly freed EDTA required 25.5 mL of 0.0250 M Ca2 . What were the molarities of Cd2 and Mn2 in the original solution
Make educated guesses at the pictures for the LGO's for tetrahedral and octahedral. Propose the appropiate pictures for the LGO's symmetry labels for the square pyramidal Cr(CO)5. With your pictures, can you justify the energy levels for the bondi..
Calculate the pH of this solution? if we want to lower the pH by one unit of this solution then How many mL of 0.1 M H 3 PO 4 should be added to this solution?
How many grams of CH4 must be burned to release 554 kJ of heat based on this thermochemical equation:
Calculate the mass of aluminum deposited on the purified aluminum metal by the application of a current of 1.225 kiloamperes for 30 minutes from a very large quantity of a solution containing Al3+ ion in the Al2O3/Na3AlF6 molten state.
A sample of sulfur weighing 0.210g was dissolved in 17.8g carbon disulfide. (Kb= 2.340C/m ) If the boiling point elevation was 0.1070C, what is the formula of a sulfur molecule in this environment
Consider a metal atom, which we will give the symbol M. Metal M can readily form the M+ cation. If the sphere on the left below represents the metal atom M, which of the other three spheres would probably represent the M+ cation? Explain your choi..
For the following hypothetical elementary step reaction at equilibrium: A in equilibrium with B, and from the ARrhenius equation k= A e^(-Ea/RT), derive the equation : Ln(K1/K2)= delta H/R(1/T2 - 1/T1) in any one of it's forms.
To find the mass of water use the density of water = 1.0 g/mL. I have looked at multipule different solutions that have already been worked but have not been able to get the correct answer no matter how many different ways i got about getting it.
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