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Questions and Answers
Identify the limiting component when assembling a bicycle with the given parts: 4 handle bars, 4 seats, 3 frames, 7 pedals, and 5 wheels.
Identify the limiting component when assembling a bicycle with the given parts: 4 handle bars, 4 seats, 3 frames, 7 pedals, and 5 wheels.
How many oxygen atoms are present in 0.412 moles of Fe2O3?
How many oxygen atoms are present in 0.412 moles of Fe2O3?
Determine the mass of iron in grams of 7.24 x 10^22 iron atoms.
Determine the mass of iron in grams of 7.24 x 10^22 iron atoms.
What volume of solution (in L) is needed to make a 0.118 M solution when 22.4 g of CaCl2 is dissolved?
What volume of solution (in L) is needed to make a 0.118 M solution when 22.4 g of CaCl2 is dissolved?
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Which substance is NOT soluble in water?
Which substance is NOT soluble in water?
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Which of the following processes represents a chemical change?
Which of the following processes represents a chemical change?
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What is the oxidation state of phosphorus in PO2+?
What is the oxidation state of phosphorus in PO2+?
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How many neutrons are present in the isotope 37Cl?
How many neutrons are present in the isotope 37Cl?
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Which is the correct molecular formula for a compound with an empirical formula of C2H2O and a molar mass of 210.20 g/mol?
Which is the correct molecular formula for a compound with an empirical formula of C2H2O and a molar mass of 210.20 g/mol?
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What is the chemical name for Mg(ClO2)2?
What is the chemical name for Mg(ClO2)2?
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What is the correct coefficient of O2 when balancing the equation NH3 (g) + O2 (g) → NO2 (g) + H2O (g)?
What is the correct coefficient of O2 when balancing the equation NH3 (g) + O2 (g) → NO2 (g) + H2O (g)?
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Which of the following has the highest density in grams for water when measured in a room of given dimensions and density?
Which of the following has the highest density in grams for water when measured in a room of given dimensions and density?
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Which of the following substances are considered non-electrolytes?
Which of the following substances are considered non-electrolytes?
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Study Notes
General Chemistry I - Midterm I
- Date: October 23, 2024
- Time: 3:30 PM - 4:20 PM
- Duration: 50 minutes
- Course: CHEM104-002/003
- Instructor: Dr. Vince Guo
- Materials: Test booklet (8 pages), Scantron sheet, spare paper, periodic table and constants, equations, pen, pencil, non-graphing calculators
Instructions
- Write name and student number on the test.
- Part A answers are in the designated space; answers elsewhere will not be graded.
- Underline final answers for Part A.
- Part B multiple choice answers on the Scantron sheet.
- Test is double-sided.
- Read questions carefully; answer only what is asked.
- Use pencil for Scantron.
- No extra time for filling in scantron.
- Cheating on the exam is serious academic misconduct and will be reported to the Associate Dean.
Part A - Short Answer Questions (10 points)
- Report final answers to correct significant figures and units.
- Show all calculation work for full marks.
Part B - Multiple Choice (40 points, 2 points each)
- All answers must be marked on a Scantron sheet.
- Complete questions 1-20 covering various chemistry concepts (chemical changes, chemical formulas, electron counts, neutron counts and calculations).
Additional Information
- Provide oxidation half reactions and activity series references for additional questions.
- The Periodic table and solubility rules are provided.
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Description
Prepare for the General Chemistry I Midterm with this quiz that covers key concepts and problem-solving techniques. It focuses on material from CHEM104, catering to both short answer and multiple-choice formats. Ensure you're familiar with significant figures, unit reporting, and the use of calculators.
