A 25ml pipet sample of an alcohol is found
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1. A SAMPLE OF C02 IN HERMETIC syringe THE VOLUME OF THE AS IS 25ML AT ROOM TEMPERATURE OF (20) C what will be the final volume fo the gas if syringe is kept in the to riase its temperature to 37 Celcius
a student uses 10.o mL volumetric pipet to measure the volume of the sample. when emptying the pipet, the student blows all of the liquid out of the pipet. how will this change the calculated density of the liquid?
student took a sample of vinegar with a 5 ml volumetric pipet and then emptied all of the liquid in an Erlenmeyer flask by blowing out the sample
1. A 50.0-mL pipette sample of a liquid is found to weigh 120.71 g. a. What would be the mass of 32.25 mL of the same alcohol? b. What volume would be occupied by 25.4 g of this alcohol?
Match each alcohol with the
correct description.
Match each alcohol with the correct description. found in alcoholic beverages such as beer and wine used in lotions and soaps because of its high affinity for water molecules nontoxic alcohol found in environmentally friendly antifreeze solvent used in many shellacs and varnishes used in rubs to combat high body
The viscosity average molecular weight of a sample of polyvinyl alcohol in water at 25ºC is found to be 88,173 g/mol. Calculate the intrinsic viscosity of the solution.
A solution was made by using an unknown amount of 1ppm quinine solution in a 25mL volumetric flask (was diluted to line). How many mL of solution was used if the end sample had a concentration of 0.017ppm?
Question 3 (1 point) Which functional group is found in this molecule? Alcohol Aldehyde Ketone Carboxylic Acid Question 4 (1 point) Which functional group is found in this molecule? LCHE HE-CH2-CH-CH3 H.COM Alcohol Aldehyde Ketone Carboxylic Acid Question 5 (1 point) Which functional group is found in this molecule? CH2-CH3 Alcohol Aldehyde Ketone Carboxylic Acid Question 6 (1 point) Which functional group is found in this molecule? CH,CH,CCHCH2CH.CH CH Alcohol Aldehyde Ketone Carboxylic Acid Question 7 (1 point) Which functional...
Question 4: An alcohol solution is prepared by mixing 50.0mL (31.5g) of ethyl alcohol (CH3CH2OH) with 75.0mL (75.0g) of water a. Identify the solute and solvent. [0.5pt b. What is the mass of the solution (in grams)? [0.5pt] c. What is the volume of the solution (in mL)? [0.5pt] d. Calculate the mass/volume% of the solution. [lpt] e. Calculate the Molarity of the solution. [2pt] If you diluted 25mL of this solution to a volume of 100mL, what would the...
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9) 25mL of 0.10M Zn(NO3)2 is added to 10. mL of 0.65M NaOH. Find Kc for: (See exp. 4 and dry lab/exp.6) Zn^2+ + 40H^--> Zn(OH)402- if pH of the solution is found to be 9.79
9) 25mL of 0.10M Zn(NO3)2 is added to 10. mL of 0.65M NaOH. Find Kc for: (See exp. 4 and dry lab/exp.6) Zn^2+ + 40H^--> Zn(OH)402- if pH of the solution is found to be 9.79