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Pure acetanilide melts at 113-114 degrees C. What was your melting point of your impure and recrystallized acetanilide? What does this tell you about the sucess of your purification? (My melting point of my impure and recrystallized acetanilide was 102-103 degrees C).
The density of germanium is 5.325 g/cm^3 . If you made a 4 nm quantum dot of germanium, how many atoms would it contain? Assume the dot is spherical.
For the reaction CO+O2 -> CO2 , what is the maximum amount of CO2 (44.0095 g/mol) which could be formed from 16.73 g of CO (28.0101 g/mol) and 0.251 mol of O2 (31.9988 g/mol)? Answer in units of mol
What is the mechanism for the oxidation of an aldose to an aldonic acid
When 20 mL of a 120 mL stock solution containing 2 M BaF2 is diluted to 80 mL, what is the concentration of F- in the new solution.
C2H4 + 3O2 = 2CO2 + 2H2O if you start with 45 grams of ethylene (C2H4), how many grams of carbon dioxide will be produced.
Gaseous indium dihydride is formed from the elements at elevated temperature: In(g)+H2(g) (reactions goes both ways=double arrow) to InH2(g) with Kp=1.48 at 973 K
Propose the kinds of attractive forces that might bind congo red to cotton fabric.
what is the aluminum ion, Al3+, concentration if the cell potential is 0.447 V and the manganese (II) ion concentration is 0.10 M?
The RUBISCO catalyzed reaction is: a. Exergonic, because Ribulose-,5-biphosphate has enormous energy charge built up from previous phosphorylations
A solution is made by mixing 12.0g of NaOH and 70.0mL of 0.200m HNO3. Calculate the concentration of OH- ion remaining in the solution.
Instant cold packs used to treat athletic injuries contain solid NH4NO3 and a pouch of water. When the pack is squeezed, the pouch breaks and the solid dissolves
The boling point of water in city a is 94 degrees celcius and in city b it is 97 degrees celcius. which is at the higher elevation.
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