Chem 1020 exam 1 - Study guides, Class notes & Summaries

Chem 1020 Final Exam Questions And Answers mass spectrometer - ANS -separate particles based on their charge/mass ratios -detect the presence of isotopes equation for finding heat/energy or mass of something in a bomb calorimeter when given calorimeter constant - ANS m*deltaH + T*Cc = 0 isotopes - ANS particles having identical charges but differing in mass % error - ANS % error = abs value (accepted value - exp value)/accepted value determining activity of a metal - ANS ...

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 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

Chem 1020- Exam 1 Questions With Complete Solutions

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...