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Define to me in Sn1 and Sn2 reactions what is R group and what is an RX substrates? As well give an example and labeling what the R group is and RX substrate.
Identify the conjugate base of each of the following compounds: HNO2, HClO, H3PO4, and NH3. Identify the conjugate acid of each of the following species: NH3, ClO2-, SO4^2-, and OH-
An ice bag containing 324 of ice at 0deg C was used to treat sore muscles. When the bag was removed, the ice had melted and the liquid water had a temperature of 17.0 deg C.How many kilojoules of heat were absorbed?
If the absolute temperature of a gas is doubled, what happens to the root-mean-square speed of the molecules?
A mass of mercury occupies 0.950 L. What volume would an equal mass of ethanol occupy? The density of mercury is and the density of ethanol is 0.789 g/mL.
calculate the standard emf of a cell that uses the mgmg2 and cucu2 half-cell reactions at 25 degrees celsius. write the
the heat capacity of water is 4.18 J/C*gram, that the water is heated from 20 to 70 C and that the water heater is 100% efficient. You can use the conversion factor from the problem above and you may need to look up other conversion factors.
An alloy, initially weighing 50 grams, contains 90 atomic% silver and 10 atomic% copper. How many grams of copper would have to be added to make the alloy 12 atomic% copper?
At a particular temp and pressure it takes 4.55 min for a 1.5 L sample of He to effuse through a porous membrane. how long would it take for 1.5 L of F2 to effuse under the same conditions
For the equilibrium H2+CO2-> Kc= 3.18 at 1106K. If each of the 4 species was initially present at a concentration of 3.000M.
A buffer solution of pH 5.3 is to be prepared from propionic acid and sodium propionate. The concentration of sodium propionate must be 0.50 M. What should the concentration of propionic acid be? Ka = 1.3 X 10-5
how many moles of solute are present in 700ml of 0.230M SrBr2
The membrane permeable only to Na^+ ions is used is used to separate the following solutions: 0.03M KCl and 0.070M NaCl and 0.070M KCl and 0.03M NaCl. Calculate the membrane potential at 298K.
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