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Problem- Which solution has the lower freezing point a) 5 g of ch3oh in 250 g of water or b) 10 g of ch3ch2oh in 500 g water. Explain why
Give your answer with short explanation
if 25.o ml of .100 m caoh02 is titrated with .200m hno3 what volume of nitric acid is required to neutrilize the
Consider the constitutional isomers 2-methylbut-1-ene, 2-methyl-2-ene and 3-methylbut-1-ene. when each of these alkenes is subjected to cataltic hydrogenation (H2, Pt), a single product results. which of the following best describes the structural..
suppose the solubility of your unknown carboxylic acid is 6.8gml water at 95c and 0.17gml water at 0c. given that you
consider this equation 2al 3br2 --gt 2albr3 react according to this equation19.00 g of al and 14.6 g of br2nbsp used
What is the molarity of an NaCl solution prepared by dissolving 9.3g NaCl in sufficient water to give 350mL of solution.
A solution of 0.10 M sodium acetate is mixed with a solution of 0.10 M acetic acid (Ka = 1.8*10^-5). When equal volumes of the two solutions are mixed together the resulting mixed has a pH of:
The specific heat capacity of the solution produced was 4.20 J/g•°C, and final temperature reached was 34.91°C. How much heat was produced by the dissolution
Problem- In a Photoelectric Effect experiment, the threshold energy needed to eject an electron from chromium is 7.21 x 10-19 J. Light having a wavelength of 2.50x10-7m falls on a piece of chromium in an evacuated glass tube. a) Determine the mini..
If it takes 9.40 milliliters of your 0.0151M titrant how many milligrams of ascorbic acid (MW 176.12) were in the original tablet. Enter the number as a decimal - don't use scientific notation. Do not include units.
Find the volumes required of Catechol and Ethanol to create a mixture of 50uM Catechol and 50uM Ethanol. Both solutions are 5mM stock
Which of the following is true for a system whose equalibrium constant is relatively small? a.) it will take a short time to reach equalibrium.
Determine a crystallization of sulfanilamide in which 10mL of hot95% ethyl alcohol is added to 0.10 g of impure sulfanilamide. After the solid has dissolved the solution is cooled to room temperature and then placed in an ice-water bath.
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