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changing the reaction buffer to extremly high ph with addition of sodium carbonate is said to stop the reaction. what 2 things are happening in the test tube upon addition of this caustic chemical? be specific
Give the structure of a hydrocarbon that has six carbon atoms and three vinylic hydrogens and two allylic hydrogens
what is the ph change of a 0.270m solution of citric acid pka 4.77 if citrate is added to a concentration of 0.145m
If the pH of a solution is more than the pKa of an acid dissolved in it, is more of the acid in the protonated form or deprotonaqted form
Later the student discovered that the percent H2O2 derived from this determination was less than the percents obtained from the second and third determinations, both performed at room temperature. Briefly explain.
A blend of polyethylene and PVC contains 10 wt °/. PVC. What is the molecular percentage of PVC
Sodium (Na) metal undergoes a chemical reaction with chlorine (Cl) gas to yield sodium chloride, or common table salt. If 3.00 g of sodium reacts with 4.62 g of chlorine, 7.62 g of sodium chloride is formed and 53.7 kJ of heat is released.
If 25.1 mL of 0.1222 M NaOH id required to reach the first equivalence point of a solution of citric acid (H3C3H5O7), how many mL of NaOH are required to completely neutralize this solution
A balloon is filled with He gas to a volume of 3.22 L at 32oC. The balloon is placed in liquid nitrogen until its temperature reaches -132oC. Assuming the pressure remains constant, what is the volume of the cooled balloon
You put your arm around the persons waist and use your fist to push up on the persons abdomen, an action called the Heimlich maneuver. a) How would this action change the volume of the chest and lungs? b) Why does it cause the person to expel the ..
Assume that you have carried out a radical chlorination reaction on (R)-2- chloropentane and have isolated (in low yield) 2,4-dichloropentane.
Cadaverine, a fould smelling substance produced by the action of bacteria on meat, contains 58.55% C, 13.81% H and 27.40% N. Its molar mass is 102.2 g/mol.
A coffee cup calorimeter contains 25.42g of water, at 21.0g deg C. Then 69.18g of water, with an initial temperature of 70.1 deg C, was added to the calorimeter. The final temperature of the water in the calorimeter was 23.8 deg C
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