Chem 103 Samenvattingen, Aantekeningen en Examens
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Chem 103 portage learning exam 3
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Chem 103 portage learning exam 3
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CHEM 103 Lab Exam 2 – Portage Learning
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CHEM 103 Lab Exam 2 – Portage Learning. The reaction of AgNO with Cu is a single displacement type reaction. 
During the reaction of AgNO with Cu a blue (color) solution and black/gray 
(color) solid are formed. 
3 
3 
single displacement
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CHEM 103 Lab Exam 8 – Portage Learning
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CHEM 103 Lab Exam 8 – Portage Learning. Why was warming data used for estimating the freezing/melting 
point of the cyclohexane? 
3. (3 points) How much of the cyclohexane solvent was placed in the test? 
1.) molarity 
2.) It is considered reliable. 
It is a dependable predicator of the freezing/melting point of a substnace. 
it can determine the temperatures when the change occurs.
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CHEM 103 Chemistry Lab Report 4 Thermochemistry (Portage learning) 2023
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CHEM 103 Chemistry Lab Report 4 Thermochemistry (Portage learning) 2023/2024
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CHEM 103 Lab Exam 5 – Portage Learning
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CHEM 103 Lab Exam 5 – Portage Learning . According to Boyle’s law, as the volume of a gas decreases, the 
pressure _________. 
3. (6 points) A sample of gas occupies a volume of 10.5 L when the pressure 
is 14.3 psi. Use Boyle’s Law to calculate the volume (L) when the pressure is 
decreased to 12.8psi. Show the calculation. 
Answer: 
1. A syringe was used, and the volume was read from the graduation 
markings.
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CHEM 103 module 4 exam question and answers
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Write the subshell electron configuration (i.e.1s2 2s2 
, etc.) for the Ni28 atom. 
Your Answer: 
Ni28 = 1s2 
, 2s2 
, 2p6 
, 3s2 
, 3p6 
,4s2 
, 3d8 
↑ ↓ ↑ ↓ ↑ ↓ ↑ ↓ ↑ ↓ ↑ 
↓ ↑ ↓ ↑ ↓ ↑ ↓ ↑ ↓ ↑ ↓ ↑ ↓ 
↑ ↓ ↑ ↑ 
1s 2s 2p 3s 3p 4s 3d 
Ni28 = 28 electrons = 1s2 2s2 2p6 3s2 3p6 4s2 3d8 
Question 2 
Not yet graded / 10 pts 
Click this link to access the Periodic Table.This may be helpful throughout 
the exam. 
Write the subshell electron configur...
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CHEM 103 Lab Exam 6 Questions With Answers Latest 2023/2024 (Portage Learning)
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Bonds within a molecule are called intra-molecular bonds. 
Non-polar (type) compounds are insoluble in water. 
intra-molecular Correct! 
Non-polar Correct! 
Question 2 10 / 10 pts 
Fill in the blanks: 
Pentane is insoluble in water because it is a/an nonpolar (type) compound. 
Ethyl alcohol has a boiling point of 76.4 C and n-propyl chloride has a lower 
boiling point of 46.3 C because the Hydrogen bonds holding ethyl alcohol 
together are stronger than the nonpolar bonds which hold n-propyl chl...
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CHEM 103 Lab Exam 4 – Portage Learning
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CHEM 103 Lab Exam 4 – Portage Learning. Does the following reaction give off heat or absorb heat? 
Explain briefly. 
C D H = +263Kcal/mol 
3. (4 points) In one experiment in the video, room temperature water was 
mixed with water at about 38 degrees. To what temperature (about) did the 
mixture of the two water samples come to after setting for a few minutes? 
Answer: 
1. The heat depends on the amount of substance. If the amount of substance 
is doubled, then the heat doubles. Other propertie...
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CHEM 103 Lab Exam 8 Questions and Answers | Latest Update 2023/2024 (Portage Learning)
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The unit “m” stands for _______ in this experiment. 
2. (4 points) Why was warming data used for estimating the freezing/melting 
point of the cyclohexane? 
3. (3 points) How much of the cyclohexane solvent was placed in the test? 
1.) molarity 
2.) It is considered reliable. 
It is a dependable predicator of the freezing/melting point of a substnace. 
it can determine the temperatures when the change occurs. 
3.) 10 mL of cyclohexane 
1. molality 
2. Solids tend to supercool, which gives fa...
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Chem 103 portage learning exam 2
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Chem 103 portage learning exam 2
€5,99 voor je samenvatting, vermenigvuldigt met 100 medestudenten... Reken maar uit: dat is veel geld! Wees geen dief van je eigen portemonnee en start nu met uploaden. Ontdek alles over verdienen op Stuvia