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There are 18 constitutional isomers with molecular formula C8H18. Without drawing all 18 isomers, determine how many of the isomers will have a parent name of heptane.// (I know the answer is 3, but is there a formula to easily figure it out or how do you go about knowing when you've drawn enough molecules to determine
A sample of nitrogen gas is contained in a piston with a freely moving cylinder. At 0 C, the volume of the gas is 307 mL. To what temperature must the gas be heated
calculate the ph of buffer solution made from .20 M HC2H3O2 and .050 M C2H3O2 that has an acid dissociation constant for HC2H3O2 of 1.8*10-5.
Calculate the molar concentration of ferrocyanide in a solution of 0.031 M ZnSO4 saturated with Zn2Fe(CN)6. ZnSO4 will be completely dissociated into Zn2+ and SO42-
n2h4l o2g reverse reaction arrow n2g 2 h2olcalculate the k value associated with the reaction at 25 degrees celcius
Explain why the salt of a weak acid, as well as the acid itself, must be present to form a bu?er solution.
7.41g of O2 are combined with 5.23g NH3 , and the reaction proceeds. What mass of NO is produced?
If 0.10g of benzene (C6H6) is ignited in a 0.3 L vesses at 298K and surrounded by 25atm of oxygen: a) write the net reaction; b) how many moles of O2 were consumed? c) how many moles of product were produced d) what is the change in moles of the r..
Plutonium-239 is a byproduct of the fission reaction used to produce energy in nuclear power reactors. It has a half-life of 24,400 years. A student determines that it will take 97,600 years for the radioactivity of a Pu-239 sample to drop to one-..
Predict the order for increasing binding energies of the C(1s) electron for the following compounds giving your reasoning.
an isolated quantity of an ideal gas at 294.2 k has a volume of 20.46 l at a pressure of 1.18 atm. what is the pressure
If 0.90 mole of MnO2 and 48.2 g of HCl react, which reagent will be used up first?
Estimate the value of the equilibrium constant at 610K for each of the following reactions. Delta Hf and S for BrCl is 14.6 kj/mol and 240.0 J/mol*K , respectively. Br2(g)+ Cl2(g) --> 2BrCl(g)
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