Chem 102 Study guides, Class notes & Summaries

what is a major difference between organic and inorganic compounds? correct answer: organic contain carbon what is the reason why there are so many organic compounds? correct answer: carbon atoms can form stable covalent bonds with other carbon atoms the vast number of organic compounds is due to the unique chemistry of carbon. this chemistry involves correct answer: formation of long chains& isomerism Which applies to the manner in which carbon bonds in alkanes? correct answer: the...

Click this link to access the Periodic Table. This may be helpful throughout the exam. 1. Convert 845.3 to exponential form and explain your answer. 2. Convert 3.21 x 10-5 to ordinary form and explain your answer. 1. Convert 845.3 = larger than 1 = positive exponent, move decimal 2 places = 8.453 x 102 2. Convert 3.21 x 10-5 = negative exponent = smaller than 1, move decimal 5 places = 0. Question 2 Click this link to access the Periodic Table. This may be helpful throughout the exam. ...

Chem 1020 Final Exam With Complete Solutions

Which of the following formulas represents butane? CH3CH3 CH3CH2CH2CH3 CH3CH2CH3 CH3CH2CH2CH2CH3 correct answer: CH3CH2CH2CH3 What does a structural formula look like? correct answer: CH3CH2CH3 What is the molecular formula of a straight chain alkane with 12 carbon atoms? correct answer: C12H26 Which of the following alkanes would you expect to be a solid? C8H18 C20H42 CH4 C3H8 correct answer: C20H42 Carbon forms strong covalent bonds with each of the following elements ...

CHEM 1020 FINAL EXAM QUESTIONS AND CORRECT ANSWERS

Mass correct answer: the amount of matter in the object and is independent of where the object is. (Exp.1) Weight correct answer: The force of gravity on the object and is dependent of where the object is. (Exp.1) Volume correct answer: Length is 3 dimensions. (Exp.1) Density correct answer: d=mass/volume in g/mL (Exp.1) Experiment 1 correct answer: Involves finding the density of a pre-1983 penny, a post 1983 penny, an unknown liquid, and an unknown solid. Measuring the pennies...

CHEM 103 Module 1 to 6 Exam Questions and Answers (Portage Learning) Convert 845.3 to exponential form and explain your answer. 2. Convert 3.21 x 10-5 to ordinary form and explain your answer. 1.Convert 845.3 = larger than 1 = positive exponent, move decimal 2 places = 8.453 x 102 2.Convert 3.21 x 10-5 = negative exponent = smaller than 1, move decimal 5 places = 0. Question 2 Click this link to access the Periodic Table. This may be helpful throughout the exam. Using the following info...

The average rate of appearance of [NH3] is 0.215 M/s. Determine the average rate of disappearance of [H2]. N2(g) + 3H2(g) -> 2NH3(g) - Answer--0.323 M/s Use the following experimental data to determine the rate law expression and the rate constant K for the following chemical equation; 2NO(g) + O2(g) -> N2O4(g) .100M ~ .100M ~ 1.25 x 10^-4 M/s .200M ~ .100M ~ 5.00 x 10^-4 M/s .100M ~ .200M ~ 2.50 x 10^-4 M/s - Answer-Rate = K[NO]^2[O2] K = 0.125 M^-2 s^-1 Which of the following w...

CHEM 1020 Final Exam Questions And Answers With Verified Solutions CHEM 1020 Final Exam Questions And Answers With Verified Solutions