Chm 1045 lab - Study guides, Class notes & Summaries
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CHM 1045 Lab Exam with Verified Answers 2024
- Exam (elaborations) • 16 pages • 2024
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1 lb = _______ kg - 0.454 
5 steps of creating a Lewis structure - 1. calculate total number of valence electrons available 
2. determine which will be the central atom 
3. arrange atoms symmetrically around the central atom 
4. place bonds/electrons around the atoms until the octet rule is satisfied for each atom, using double or 
triple bonds if necessary 
5. show any charges on the molecule by using brackets and writing the charge in the top right corner 
outside the brackets 
acid + base --&...
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CHM 1045 Lab Exam 1 questions and answers 100% verified
- Exam (elaborations) • 11 pages • 2024
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Exp 2- 25.00 mL of an unknow liquid were measured three times. The mass of each of the 25.00 mL 
samples were 36.137, 36.241, 36.098 g. Calculate the density of each sample and average value of the 
density. - 1.) 36.137 g/ 25.00 mL= 1.445 g/mL 
2.) 36.241 g/ 25.00 mL= 1.450 g/mL 
3.) 36.098 g/ 25.00 mL= 1.444 g/mL 
Average 
1.445+ 1.450 + 1.444= 4.339 
4.339/3= 1.446 g/mL 
Exp 2- Consider a stone column 3.00 ft in diameter and 10.00 ft high. What is its mass in pounds if the 
density is 3.50 g/...
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CHM 1045 Lab Exam Questions and Correct Answers | Latest Update | A+
- Exam (elaborations) • 31 pages • 2024
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covalent bonds form based on 
Ans:the sharing of electrons that provides an octet of electrons for each 
most energetically stable elements in the periodic table 
Ans:noble gases 
noble gases are also referred to as 
Ans:inert gases 
octet rule 
Ans:all atoms should strive to have 8 electrons in their outermost shell to achieve the most 
energetically stable state 
valence electrons 
Ans:electrons found in the highest energy shell of an atom (aka the highest principle quantum 
number, n, shell...
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CHM 1045 Lab Exam 1 ( Answers for each questions with lots of details latest edition | complete solutions
- Exam (elaborations) • 8 pages • 2024
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CHM 1045 Lab Exam 1 ( Answers for each questions with lots of details latest edition | complete solutions
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CHM 1045 EXAM PACKAGE DEAL WITH COMPLETE SOLUTIONS GRADED A+
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CHM 1045 EXAM PACKAGE DEAL WITH COMPLETE SOLUTIONS GRADED A+
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