Hem1 Study guides, Class notes & Summaries
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CHEM133 Week 7 Midterm Exam
- Exam (elaborations) • 27 pages • 2023
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1.	Question: What is the volume, in cubic centimeters, of a brick that is 4.0 in × 2.7 in × 8.0 in? 
2.	Question: A sailor circumnavigated the earth and covered 4,264,000 meters. Express this number in standard scientific notation. 
3.	Question: The state of matter for an object that has both definite volume and definite shape is 
4.	Question: How many of the following numbers contain 3 significant figures? 
5.	Question: In the spring of 2008, gasoline cost £1.029 per Liter in London. On the ...
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Straighterline CHEM101 Final Exam Questions and Answers Rated A+
- Exam (elaborations) • 47 pages • 2024
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Straighterline CHEM101 Final Exam 
Questions and Answers Rated A+ 
 
total number of neutrons and protons in an atom; # protons + # electrons Mass Number 
 
Most nonmetallic elements are found in which block of the periodic table? p 
 
Ernest Rutherford disproved J.J. Thomson's plum-pudding model of the atom by showing that... 
Positive matter is concentrated in the central core 
 
Plants use up copious amounts of which alkali metal, preventing most of it from being washed 
out to sea? Potassiu...
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General Chemistry II (CHEM113) ACS Final questions with correct answers
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The two states that are collectively known as the condensed states are _______. CORRECT ANSWER solid and liquid 
 
The attractive forces that exist between all molecules and atoms, and are the forces that hold many solids and liquids together CORRECT ANSWER intermolecular forces 
 
Intermolecular forces are only significant at _____. CORRECT ANSWER short distances 
 
The state of a sample of matter is determined by the magnitude of __________. CORRECT ANSWER the intermolecular forces present 
 
...
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STRAIGHTERLINE CHEM101 FINAL
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STRAIGHTERLINE CHEM101 FINAL
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CHEM101 Graded Exam 1 FALL 2023 (Straighterline)
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A smart phone has dimensions of 4.9 inches (height), 2.3 inches (width) and 8.0 millimeters (depth). What is the volume of the smart phone in cubic 
centimeters? (1 in = 2.54 cm) 
Select one: 
A. 1.7 × 105 cm3 
B. 34 cm3 
C. 58 cm3 
D. 3.4 cm3 
E. 90 cm3 
The correct answer is: 58 cm3 
A large pizza has a diameter of 15 inches. Express this diameter in centimeters. (1 in = 2.54 cm) 
Select one: 
A. 24 cm 
B. 18 cm 
C. 38 cm 
D. 9.3 cm 
E. 5.9 cm 
The correct answer is: 38 cm 
What is a unifying...
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CHEM133 Week 9 Lesson 4 Quiz
- Exam (elaborations) • 12 pages • 2023
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1.	Question: Which one of the following is most likely to be an ionic compound? 
2.	Question: The phosphorus atom in PCl3 would be expected to have a 
3.	Question: The phosphorus atom in PCl3 would be expected to have a give CH3Cl and hydrogen chloride. 
4.	Question: How many of the following molecules have no dipole moment? 
5.	Question: Atoms having equal or nearly equal electronegativities are expected to form 
6.	Question: Element A has an electronegativity of 0.8 and element B has an electr...
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Straighter Line CHEM101 Final Questions And Answers With Verified Updates
- Exam (elaborations) • 20 pages • 2023
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Straighter Line CHEM101 Final Questions And Answers With Verified Updates 
 
Straighter Line CHEM101 Final Questions And Answers With Verified Updates
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CHEM133 Week 13 Lesson 6 Quiz.docx
- Exam (elaborations) • 13 pages • 2023
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1.	Question: We discussed the different types of intermolecular forces in this lesson. Which is the strongest in CF2H2 ? 
2.	Question: Water is such a special molecule with some really unique properties. Why is it so unusual? 
3.	Question: We discussed the different types of intermolecular forces in this lesson, which can affect the boiling point of a substance. Which of these has the highest boiling point? 
4.	Question: If you have 2.00 x 103 J of energy, what mass (g) of solid butane (C4H10O) ...
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CHEM133 Week 15 Lesson 7 Quiz
- Exam (elaborations) • 19 pages • 2023
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1.	Question: A sample of oxygen gas has a volume of 3.52 L at 27°C and 800.0 torr. How many oxygen molecules does it contain? 
2.	Question: Consider a sample of gas in a container on a comfortable spring day. The Celsius temperature suddenly doubles, and you transfer the gas to a container with twice the volume of the first container. If the original pressure was 12 atm, what is a good estimate for the new pressure? 
3.	Question: Gas A and gas B are combined in a flask at initial pressures of 1...
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CHEM133 Week 11 Lesson 5 Quiz
- Exam (elaborations) • 17 pages • 2023
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1.	Question: When comparing Be2 and H2: 
2.	Question: Atoms that are sp2 hybridized form ____ pi bond(s). 
3.	Question: The hybridization of the nitrogen atom in the cation NH2+ is: 
4.	Question: Which one of the following molecules has an atom with an incomplete octet? 
5.	Question: Nitrous oxide (N2O) is sometimes called "laughing gas". What is the formal charge on the central nitrogen atom in the most favorable Lewis structure for nitrous oxide based on minimizing formal charge overall? 
6....
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