Chem 1020 exam 1 Study guides, Class notes & Summaries

What happens in a spontaneous reaction? - correct answer the total entropy of the universe must increase. Change in Free Energy - correct answer -tells position and direction of a reaction -easier to calculate than entropy 1st law of thermodynamics - correct answer the energy of the universe is constant. (any energy lost by system is gained by surroundings and vice versa) 2nd law of thermodynamics - correct answer the entropy of the universe increases in any spontaneous process 3rd ...

CHEM 1020 2023 Exam Questions with Answers The combustion of ethane (C2H6) is represented by the equation: 2C2H6(g) + 7O2(g) → 4CO2(g) + 6H2O(l) In this reaction: A. the rate of consumption of ethane is seven times faster than the rate of consumption of oxygen. B. the rate of formation of CO2 equals the rate of formation of water. C. water is formed at a rate equal to two-thirds the rate of formation of CO2. D. the rate of consumption of oxygen equals the rate of consumption of water. ...

CHEM 1020 FINAL TEST QUESTIONS WITH COMPLETE SOLUTIONS (exam 1) Three physical properties shown below beside different alkane series. Which of the series is (are) lister on the order of increase (lowest to highest) for the corresponding property? a. density: C4H10 < C5H12 < C8H18 b. melting point: C8H18 < C5H12 < C4H10 c. biking point: C5H12 < C4H10 < C8H18 d. all are correctly ranked - ANSWER A; density, melting poing, and boiling point increase as chain length inc...

Chem 1020- Exam 1 Questions With Complete Solutions

CHEM 1020 FINAL TEST QUESTIONS WITH COMPLETE SOLUTIONS (exam 1) Three physical properties shown below beside different alkane series. Which of the series is (are) lister on the order of increase (lowest to highest) for the corresponding property? a. density: C4H10 < C5H12 < C8H18 b. melting point: C8H18 < C5H12 < C4H10 c. biking point: C5H12 < C4H10 < C8H18 d. all are correctly ranked - ANSWER A; density, melting poing, and boiling point increase as chain length inc...

Chem 1020 - Exam 1 Review questions and answers graded A+ by experts 2024/2025

Which of the following formulas does not represent an organic compound? a. CH3CH2NH2 b. CH4 c. CH3CH2CH3 d. All are organic compounds correct answer: d. All are organic compounds Which of the following is an example of an alkane? a. CH3OH b. C2H4 c. C2H6 d. C6H12O6 correct answer: c. C2H6 How many of carbon's electrons are unpaired and available for bonding according to an sp3 hybridization model? a. 1 b. 2 c. 3 d. 4 correct answer: d. 4 How many hyd...

Chem 1020 Final Exam Study Guide Questions| with Complete Solutions Matter. Any solid, liquid, gas, or plasma that occupies space and has a mass. Mixture. A combination of two or more substances that are not chemically combined. Homogeneous. A single-phase combination of solids, liquids, or gases with a uniform distribution of its constituents throughout the substance. Heterogeneous. A single-phase combination of solids, liquids, or gases that are not uniformly distribu...

Which applies to the manner in which carbon bonds in alkanes? correct answer: The bonds are formed with carbon using an sp3 configuration The alkanes represent one family of organic compounds... correct answer: that is composed of carbon and hydrogen Which of the following is an alcohol? correct answer: CH3CH2OH What is meant by the term "saturated" when describing hydrocarbons? correct answer: They are saturated with hydrogen and only have single binds between carbons Which of...

Chem 1020 - Exam 1 Review