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So we did a preparation of t-pentyl Chloride experiment in class the other day using t-pentyl alcohol, HCL, Aqueous sodium Bicarbonate, and calcium chloride as the drying agent.
Little confused on a few of these questions
Aqueous sodium bicarbonate was used to wash the crude t-pentyl chloride, what was the purpose of this wash (show reactions) and why would it be undesirable to wash with aqueous sodium hydroxide instead?
Why is calcium chloride used as the drying agent instead of sodium or magnesium sulfate?
The drying agent is an anhydrous ionic solid, why do we need to remove it before distillation? (hint- what happens to a hydrate when heated)
A snack pack of potato chips holds 28 grams of chips. Based on your data, how much fat is present in a snack pack? In such a bag of chips, there are about 15 grams of carbohydrate and about 1 gram of protein.
Calculate the amount of heat required to completely sublime 61.0 g of solid dry ice CO2 at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3 {kJ}/{mol}.
Question one: A certain weak acid has, HA, has a Ka value of 8.3*10^-7. Calculate the percent of ionization of HA in a .10 M Solution.
The following pictures represent the progress of a reaction in which two A molecules combine to give a more complex molecule A2, 2A ? A2. What is the order of reaction with respect to A?
What is the molecular formula for the alkane with 39 carbon atoms? What is the molecular formula for the cycloalkane with 38 carbon atoms?
when a substance is being reduced, what type of current is produced?
Rank from longest to shortest distance. To rank the items as equivalent, overlap them.
Assuming that radiation with lambda = 15.0 {rm cm} is used, that all the energy is converted to heat, and that 4.184 {rm J} is needed to raise the temperature of 1.00 {rm g} of water by 1.00 ^circ {rm C}.
The reversible chemical reaction A+B C+D with an equilibrium constant of K 7.1.Initially, only A and B are present, each at 2.00 . What is the final concentration of once equilibrium is reached?
Determine which metal will reach the lowest temperature If the same amount of heat is added to both the metals?
How many grams of sodium azide are needed to provide sufficient nitrogen gas to fill a 35.0x35.0x25.0 cm bag to a pressure of 1.20 atm at 26 degress C.
How to calculate ion mobility of DNA as well as single molecule of dNTP? This calculation would be further used for conductivity of DNA or dNTP in solution.
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