Chem120 - Study guides, Class notes & Summaries

Exam 1: Chem120/ Chem 120 (Latest 2025/ 2026 Update) Introduction to General, Organic & Biological Chemistry Guide| Qs & As| Grade A| 100% Correct (Verified Answers)- Chamberlain Q: atomic mass Answer: Number of protons and neutrons Q: Neutrons equal Answer: mass number - atomic number Q: Electrons equal Answer: Atomic Number - Charge Q: Protons equal Answer: Atomic number Q: Ionic bond Answer: The transfer of electrons from non-metal ...

Exam 1: Chem120/ Chem 120 (New 2025/ 2026 Update) Introduction to General, Organic & Biological Chemistry Review |Questions & Answers| Grade A| 100% Correct (Verified Solutions)- Chamberlain

Exam 1: Chem120/ Chem 120 (2025/ 2026 Update) Introduction to General, Organic & Biological Chemistry Review |Questions & Answers| Grade A| 100% Correct (Verified Solutions)- Chamberlain

Exam 1: Chem120/ Chem 120 (New 2025/ 2026 Update) Introduction to General, Organic & Biological Chemistry Guide|Questions & Answers| Grade A| 100% Correct (Verified Solutions)- Chamberlain

Exam 3: Chem120/ Chem 120 (Latest 2025/ 2026 Update) Introduction to General, Organic & Biological Chemistry Review| Qs & As| Grade A| 100% Correct (Verified Answers)- Chamberlain Q: Long chains of carbon with an ester attached at the end. Answer: Fatty acids Q: Which formula Does not show structure? Atoms are present, but bonds are not. Ex. C2H6 Answer: Molecular formula. Q: Which formula does not show bonds but still shows structure? Ex. CH3(CH2)2CH3 Answer...

Exam 2: Chem120/ Chem 120 (Latest 2025/ 2026 Update) Introduction to General, Organic & Biological Chemistry | Qs & As| Grade A| 100% Correct (Verified Answers)- Chamberlain Q: Predict the products of this neutralization reaction. Select all that apply. HCl + RbOH -> Answer: RbCl and H2O Q: If a sample of gas with a volume of 20mL at a pressure of 6 ATM is moved to an area with a pressure of 2 ATM, what is the new volume of the gas? Answer: 60 mL Q: In the ac...

CHEM 120 FINAL EXAM /CHEM120 WEEK 8 FINAL EXAM LATEST ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS|AGRADE

Name an inorganic acid 1 example is HCI Name an inorganic base NaOH What is an example of an acid-base indicator? litmus paper test Which has a higher density, Hg 13.6 g/cm^3, or Pt 2.5 * 10^-2 mg/ml? Hg Why does Hg 13.6 g/cm^3 have a higher density than Pt 2.5 * 10^-2 mg/ml? Because 1 mL=1cm^3; using conversion factors one can find that 3600mg/ml > 2.25*10^-2 mg/ml Where is the liquid waste container located? front of the lab As you move from top to bottom on t...

How many inches are in 1.3 yards? 46.8 inches Calculate the volume of a solution that has a density of 1.5 g/mL and a mass of 3.0 grams. 2.0 mL How many cups is 150 mL? 0.625 c 10*3 represents _________________ and is __________________ 10*-3? one thousand, larger than Rank the following values of length from smallest to largest. 1 mm, 1cm, 1 inch, 1 foot Select any quantitative measurements? The lemon weighed 4.5 oz. The temperature is 98.6 ⁰F The pitcher was 15.0...

A chemist dissolves 24 grams of CaCl₂ (molecular mass 110.98 g/mol) in water to prepare a solution with a total volume of 360 mL. What is the molarity of this solution? a.) 308 M b.) 66.7 M c.) 0.0006 M d.) 0.6 M e.) 0.3 M d.) 0.6 M What formula would you use to prepare a dilute solution from a concentrated solution? a.) M= mol/L b.) C₁V₁= C₂V₂ c.) g/mL x 100 d.) g/mol b.) C₁V₁= C₂V₂ You are preparing a solution from 750 L of a 3.0 M NaCl solution. How ma...