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Problem- How do we use the concept of oxidation numbers to determine whether a redox reaction takes place or not? Give one appropriate example to support your explanation.
Please show how you obtained the answer
explain the fact that acetic acid can be extracted quantitatively from an ether solution by dilute sodium hydroxide
The work-up procedure calls for washing the crude 2-chloro-2-methylbutane with cold sodium bicarbonate solution. a. What purpose does this wash serve?
What is the emf for this cell when [Fe3+] = 0.50M, PH2 = 0.25 atm, [Fe2+] = 0.010M and the pH in both compartments is 4.00
some hydrated metal chlorides will decompose upon heating, evolving hydrogen chloride along with water. How could one determine if this was happening to a sample of a particular metal chloride hydrate
Question- Titration of an unknown diprotic acid weighing 0.1206 g requires 12.67 mL of 0.1268 M NaOH. What is the molar mass of the acid
During a molar volume of oxygen experiment indicate how each of the following errors would affect (increase, decrease, or no change) your calculated value for the molar volume of O2 at STP.
In which one of the following species is the best Lewis structure a resonance structure. a. NH3 b. CO2 c. SF6 d. O2 e. CO32
germanium has the diamond cubic crystal structure. its radius is r0.122nm.within a supposed cubic unit cell of gea
Explain Threshold / NOEL Levels of Chemical Toxins, What is the maximum average daily consumption(g) of such fish that would keep exposure level below the ADI or RfD for the compound?
Need help with this question: Calculate the heat needeed at 0 degreess C to make each of the fallowing changes of state, indicate weather heat s absorbed or released. 1.) how many calories does it take to freeze 35g of water
Explain the percent concentration of a solution is a ratio of the amounts of dissolved solute and solution, expressed as a percentage. The percent concentration of a solution can be written usually as %concentration=amountofsoluteamountofsolutionÃ..
Draw two chair conformations of trans-1-tertbutyl-4-chlorocyclohexane. Indicate which conformation is more stable and why
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