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PHYSICS 102 (Exam 2) with complete Questions and Answers latest Update 2022/2023 RATED A+
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PHYSICS 102 (Exam 2) with completeQuestions and Answers latest Update
2022/2023 RATED A+
1
Which process supplies the energy converted to electrical energy
in a nuclear power plant?
• The release of steam from underground hot springs.
• The fusion of small nuclei.
• The fission of large nuclei.
• The combustion of natural gas.
• The burning of coal.
2
An explosion occurs 3400m away. Given that sound travels at 340
m/s, how long will it take for the sound of the explosion to reach
you?
• less than a second
• 3 seconds
• 10 seconds
• 100 seconds
3
When ethanol (empirical formula C2H6O) burns, it combines with
oxygen and forms carbon dioxide and water. Which of the
following is the balanced chemical reaction for the burning of
ethanol?
• C2H6O + O2 → CO2 + H2O
PHYSICS 102 (Exam 2) with complete
Questions and Answers latest Update
2022/2023 RATED A+
, PHYSICS 102 (Exam 2) with complete
Questions and Answers latest Update
2022/2023 RATED A+
• C2H6O + 2 O2 → 2 CO2 + 3 H2O
• 2 C2H6O + 3 O2 → 4 CO2 + 6 H2O
• C2H6O + 3 O2 → 2 CO2 + 3 H2O
• C2H6O + 2 O2 → 2 CO2 + 2 H2O
•
4. When two light nuclei fuse together, mass
• Is conserved.
• Is converted to energy.
• Is created from energy.
• Is increased.
5
Which of the following is an example of a chemical change?
• An ice cube melting.
• A sheet of metal being formed into a jewelry box.
• A candle burning.
• A window breaking.
6
Sulfur dichloride is a cherry-red liquid. Which of the following is
true about sulfur dichloride?
PHYSICS 102 (Exam 2) with complete
Questions and Answers latest Update
2022/2023 RATED A+
, PHYSICS 102 (Exam 2) with complete
Questions and Answers latest Update
2022/2023 RATED A+
• It is a covalent molecule with one sulfur atom
for each two chlorine atoms.
• It is an ionic compound with one sulfur atom
for each two chlorine atoms.
• It is a covalent molecule with two sulfur atoms
for each one chlorine atom.
PHYSICS 102 (Exam 2) with complete
Questions and Answers latest Update
2022/2023 RATED A+
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