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Exam (elaborations)
Chem 131 Exam 1 ACTUAL QUESTIONS 
AND CORRECT ANSWERS
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---6July 20262025/2026A+
- Chem 131 Exam 1 ACTUAL QUESTIONS 
AND CORRECT ANSWERS 
Which statement about hydrogen bonding is true? 
A) hydrogen bonding is the intermolecular attractive forces between two hydrogen atoms in solution 
B) the hydrogen bonding capabilities of water molecules cause ch3ch2ch2ch3 to be more soluble in 
water than ch3oh 
C) hydrogen bonding of solvent molecules with a solute will not affect the solubility of the solute 
D) hydrogen bonding interactions between molecules are stronger than t...
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STANFORDTOPGRADES
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Exam (elaborations)
Chem 131 Exam 1 UPDATED 
QUESTIONS AND CORRECT ANSWERS
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---4July 20262025/2026A+
- Chem 131 Exam 1 UPDATED 
QUESTIONS AND CORRECT ANSWERS 
Which of the following are combination reactions? 
1) CH4 (g) + O2 (g) → CO2 (g) + H2O (l) 
2) CaO (s) + CO2 (g) → CaCO3 (s) 
3) Mg (s) + O2(g) → MgO (s) 
4) PbCO3 (s) → PbO (s) + CO2 (g) - CORRECT ANSWER 
2 and 3 
Of the following, only ________ is an extensive property. - CORRECT ANSWER 
volume 
A small amount of salt, completely dissolved in water is an example of a ________ - CORRECT 
ANSWER 
homogeneou...
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STANFORDTOPGRADES
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Exam (elaborations)
Chem 131 Exam 1 UPDATED ACTUAL 
QUESTIONS AND CORRECT ANSWERS
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---9July 20262025/2026A+
- Chem 131 Exam 1 UPDATED ACTUAL 
QUESTIONS AND CORRECT ANSWERS 
How many people live on farms now and back in the 1800's? - CORRECT ANSWER 
90% now 1% 
How many plant species are there - CORRECT ANSWER 
500,000 
how many species are used as agricultural crops - CORRECT ANSWER 
3,000 
then 
how many species have been cultivated and contain toxic components? - CORRECT ANSWER 
150 
what enabled plants for use - CORRECT ANSWER 
what bean must be heated to eat - CORRECT ...
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STANFORDTOPGRADES
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Exam (elaborations)
Chem 131 Exam 3 UPDATED 
QUESTIONS AND CORRECT ANSWERS
-
---11July 20262025/2026A+
- Chem 131 Exam 3 UPDATED 
QUESTIONS AND CORRECT ANSWERS 
The more ____________ you use, the larger the enthalpy - CORRECT ANSWER 
exothermic - CORRECT ANSWER 
reactants 
This is an example of an __________________ reaction 
endothermic - CORRECT ANSWER 
reaction 
This is an example of an _____________________ 
In an exothermic reaction, energy is _____________ to the surroundings - CORRECT ANSWER 
lost 
Hess's Law - CORRECT ANSWER 
If a series of reactions are added...
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STANFORDTOPGRADES
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Exam (elaborations)
Chem 131 Exam 3 UPDATED ACTUAL 
QUESTIONS AND CORRECT ANSWERS
-
---5July 20262025/2026A+
- Chem 131 Exam 3 UPDATED ACTUAL 
QUESTIONS AND CORRECT ANSWERS 
The more ____________ you use, the larger the enthalpy - CORRECT ANSWER 
exothermic - CORRECT ANSWER 
reactants 
This is an example of an __________________ reaction 
endothermic - CORRECT ANSWER 
reaction 
This is an example of an _____________________ 
In an exothermic reaction, energy is _____________ to the surroundings - CORRECT ANSWER 
lost 
Hess's Law - CORRECT ANSWER 
If a series of reactions ar...
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STANFORDTOPGRADES
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Exam (elaborations)
CHEM 131 Exam 1 QUESTIONS WITH CORRECT SOLUTIONS||100% GUARANTEED PASS||UPDATED 2026/2027 SYLLABUS||A+ GRADED||<<NEWEST VERSION>>
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---6February 20262025/2026A+
- CHEM 131 Exam 1 QUESTIONS WITH 
CORRECT SOLUTIONS||100% 
GUARANTEED PASS||UPDATED 
2026/2027 SYLLABUS||A+ 
GRADED||<<NEWEST VERSION>> 
Sulfate - ANSWER SO₄²⁻ 
Nitrate - ANSWER NO₃⁻ 
Hydroxide - ANSWER OH⁻ 
Ammonium - ANSWER NH₄⁺ 
Acetate - ANSWER CH₃COO⁻ 
one oxygen removed - ANSWER "-ite" 
Nitrite - ANSWER NO₂⁻ 
Sulfite - ANSWER SO₃²⁻ 
Chlorite - ANSWER ClO₂⁻ 
Hpyochlorite - ANSWER ClO⁻ 
Perchlorate - ANSWER ClO₄⁻ 
naming binary...
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SmartscoreAaron
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Exam (elaborations)
CHEM 131: EXAM 1 | 2025/26 UPDATE | QUESTIONS AND ANSWERS | 100% CORRECT!!
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---5December 20252025/2026A+
- CHEM 131: EXAM 1 | 2025/26 UPDATE | QUESTIONS AND ANSWERS | 100% CORRECT!!
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EvaTee
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Exam (elaborations)
Chem 131 UNL Science of food Exam Questions and Answers | 2026 | 100% Correct Answers
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---17December 20252025/2026A+
- Chem 131 UNL Science of food Exam Questions and 
Answers | 2026 | 100% Correct Answers
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SpencerHenderson
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Exam (elaborations)
Chem 131 Exam 1 UNL Science of food | Questions with 100% Correct Answers 2025/2026 UPDATE | Verified Solutions
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---17October 20252025/2026A+
- Chem 131 Exam 1 UNL Science of food | Questions with 100% Correct Answers 
2025/2026 UPDATE | Verified Solutions
-
$14.49 More Info
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