Chemical Principles in the Laboratory
11th Edition
ISBN: 9781305264434
Author: Emil Slowinski, Wayne C. Wolsey, Robert Rossi
Publisher: Brooks Cole
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Chapter 17, Problem 2ASA
If we classify substances as ionic, molecular, macromolecular, or metallic, in which if any categories are all the members
a. soluble in water?
b. electrical conductors in the melt?
c. insoluble in all common solvents?
d. solids at room temperature?
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Students have asked these similar questions
In each case (more ductile, more brittle, more tough or resistant), indicate which parameter has a larger value.
parameter Elastic limit Tensile strength
more ductile
Strain at break Strength Elastic modulus
more fragile
more tough or resistant
4) A typical bottle of pop holds carbon dioxide at a pressure of 5 atm. What is the concentration of carbon dioxide in th
solution?
5) A stream flowing over rocks and such is exposed to the atmosphere and well aerated. What would be the nitrogen
concentration in the water at 25°C? (Air pressure is 1.000 bar.)
Use the expression below to
⚫ calculate its value and report it to the proper number of significant digits (you may need to
round your answer).
⚫ calculate the % error (or % relative error or % inherent error)
⚫ calculate the absolute error.
(30.078±0.003) - (20.174±0.001) + (9.813±0.005) =
Value:
% Error:
absolute error: ±
% (only 1 significant digit)
(only 1 significant digit)
Chapter 17 Solutions
Chemical Principles in the Laboratory
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- Don't used Ai solution and don't used hand raitingarrow_forwardCircle the letter next to the most appropriate response. 1) Which is likely to be the least soluble with water? a) hexane b) acetone c) trichloromethane d) trinitro-toluene 2) Which is likely to be the most soluble in 3,4-dimethyloctane? a) hexane b) acetone c) trichloromethane d) trinitro-toluene 3) When ammonium nitrate is dissolved in water, the solution: a) gets warmer. b) gets colder. c) stays the same temperature. d) is none of the above because potassium nitrate is insoluble.arrow_forwardNonearrow_forward
- Circle the compound below that you predict to be least soluble in water and explain yourselection. Please provide a throrough understanding.arrow_forwarditled [ The America | 241932100 交量 x Hanil Eco So | Question 5 ilearn.laccd.edu 0.5/0.5 pts How many amino acids do you see in the following structure? H3N-CH-C-N-CH-C-N-CH-C-N-CH-C-0- E-N-CH-E-N-CH-C-O- H₁C-CH | | H CH2 H CH₂ H CH2-C-NH2 CH3 CHANH, 6 ○ 5 3 4 H N 5 ptsarrow_forwardNonearrow_forward
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