Latest chem 120 exam 3 - Study guides, Class notes & Summaries

Exam 3: Chem120/ Chem 120 (Latest 2025/ 2026 Update) Introduction to General, Organic & Biological Chemistry | Qs & As| Grade A| 100% Correct (Verified Answers)- Chamberlain Q: A key application of hydrocarbons is: Disinfectant Fuel Flavoring agents Nail polish remover Answer: Fuel Q: The COOH group represents which functional group? Answer: carboxyl Q: This type of hydrocarbon contains a carbon-to-carbon double bond: Answer: alkene Q: Which of th...

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...

If an atom loses electrons in a redox reaction, we say this atom was: a.) oxidized b.) reduced c.) none of the above d.) an oxidizing agent In the reaction CrO + H₂ → H₂O + Cr, the element being reduced is: a.) all elements are oxidized b.) H c.) Cr d.) O d.) Fe³⁺ What is the oxidizing agent in the reaction Fe³⁺ + V → Fe + V³⁺ a.) V³⁺ b.) Fe c.) V d.) Fe³⁺

What is the oxidizing agent in the reaction Fe³⁺ + V → Fe + V³⁺ a.) V³⁺ b.) Fe c.) V d.) Fe³⁺ d.) Fe³⁺ Which of the following molecules is not a hydrocarbon? a.) Methanol b.) Propane c.) Hexane d.) Ethane a.) Methanol What molecules contains a triple bond? Butyne and Pentyne What is a key application of hydrocarbons? fuel If an atom loses electrons in a redox reaction, we say this atom was: a.) oxidized b.) reduced c.) none of the above d.) an o...

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...

Characteristics of exact numbers - no uncertainty - occurs in definitions, counting, and simple fractions Examples of exact numbers 3/5, 5/9, 12 dozen, 7 cats Characteristics of inexact numbers - number has degree of uncertainty associated - occurs anytime a measurement is taken Examples of inexact numbers height is 5'6", the table is 7'x4' (rules of sig figs) all nonzero digits are: significant (rules of sig figs) leading zeros are: never significan...

EXAM 3: CHEM120/ CHEM 120 (LATEST 2025/ 2026 UPDATE) INTRODUCTION TO GENERAL, ORGANIC & BIOLOGICAL CHEMISTRY 2025 LATEST NEWEST UPDATE WITH 180 ACTUAL QUESTIONS AND DETAILED VERIFIED ANSWERS WITH RATIONALES (100% CORRECT) //BRAND NEW!! /ALREADY GRADED A+ WITH GUARANTEED SUCCESS AFTER DOWNLOAD (ALL YOU NEED TO PASS YOUR EXAMS A 60 gram sample of radioactive material has a half life of 5 years, after 10 years how many grams of the original radioactive material will remain? 15 grams When polon...

CHEM 120 Exam 3 Latest Update Exam Questions with 100% Verified Correct Answers Guaranteed A+

CHEM 120 unit 3 Exam Questions and Correct Answers| Latest 2025

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...