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Question- By submitting two hydrogen atoms on the benzene ring with methyl groups, write line-angle formulas of all constitutional isomers. You should have three and only three. Write the IUPAC (that is, systemic) name for each isomer.
Illustrate structures to prove your rezoning.
Ozone molecules in the stratosphere absorb much of the harmful radiation from the sun. how many ozone molecules are present in3.00 L of air under the stratospheric ozone conditions of 265 K temperature
What volume of 18.5 C Water must be added together , with a 1.23 kg piece of iron at 68.5 C , so that the temprature of the water in the insulated container such as the temprature remains constant at 25.6 C
calculate delta s values for following reactions. in each case, account for the sign of delta s. a) C2H4(g) + H2(g) ---> C2H6(g)
Chemists often use molarity ,M in Moles/liter , to measure the concentration of solutions. Molarity is a common unit of concentration because the volume of a liquid is very easy to measure
the only difference between succinate and fumarate is the geometry around their double bonds, one contains a cis double bond,
Carboxypeptidase A is an exopeptidase, which means that it only cleaves the C-terminal residue from a polypeptide chain. Why is only the C-terminal residue cleaved, and no cleavage in the chain?
Calculate the theoretical and percent yields, b: 20.0g of NaHCO3 is heated to form Na2CO3. Calculate the theoretical loss in weight on heating
Calculate the pH at each point listed for the titration of 25.00 mL of 0.1000 M formic acid with 0.1000 M KOH. The points to calculate are Vb = 0.00, 12.50 and 25.00 mL
If 15 g of sugar are dissolved in 200 g of water, which of the following terms describes the sugar? A. solvent B. solute C. suspension D. colloid
converted completely to FeNCS 2+ when the calibration curve was prepared, would this raise or lower the value of Keq? explain?
A stock solution of 1.24 x 10^-4 M dye is available in the lab. What volume of the stock solution must be transferred to a volumetric flask to prepare a 25.00 mL dilution with a concentration of 2.00 x 10^-5 M?
When bicarbonate is reacted with acid it releases CO2. How many moles of HCO3? did you start with if you collect 1.24 x 10 3 moles of CO2(g)?
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