Molecular compound - Study guides, Class notes & Summaries
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CHEM 121 Final Exam Questions and Answers – Portage Learning
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CHEM 121 Final Exam Questions and Answers – Portage Learning. Do the three conversions shown below, showing all work: 
1. 328 K = ? oC 
2. 76oC = ? oF 
3. 135oF = ? K 
Your Answer: 
1 - 328 - 273 = 55 C 
2 - (76x 1.8) + 32 = 168.8 F 
3 - (135 - 32) / 1.8 = 57.2 C + 273 = 330.2 K 
 
1. 328K - 273 = 55 oC K → oC(make smaller) -273 
 
2. 76oC x 1.8 + 32 = 168.8 oF C → o oF (make larger) x 1.8 + 32 
 
3. 135oF - 32 ÷ 1.8 = 57.2 + 273 = 330.2 K oF → oC →K 
 
Question 2 
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Chemistry for Embalmers Midterm Questions & Answers Accurate 100%
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Chemistry for Embalmers Midterm Questions & Answers Accurate 100% 
 
The ________ for a ketone is R-CO-R - ANSWERGeneral Formula 
 
All isomers are in the same class [ex: ketones] - ANSWERFalse 
 
When benzene's carbons lose a hydrogen, the ____ is formed - ANSWERmethyl radical 
 
An organic compound with 7 carbons in it will be a - ANSWERliquid 
 
Open chained hydrocarbons are classified as - ANSWERAliphatic 
 
Which of the following is not a term that refers to benzene - ANSWER5 carbon ring...
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STRAIGHTERLINE CHEMISTRY FINAL EXAM TEST WITH COMPLETE SOLUTIONS
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What is the term used for findings that are summarized based on a pattern or trend? 
a. Law 
b. Hypothesis 
c. Theory 
d. Phenomena 
e. Prediction - a. Law 
Which of the following is a tentative explanation for a set of observations? 
Select one: 
a. Law 
b. Hypothesis 
c. Theory 
d. Phenomena 
e. Prediction - b. Hypothesis 
If a liquid contains 60% sugar and 40% water throughout its composition then what is it 
called? 
Select one: 
a. Solute 
b. Compound 
c. Homogeneous mixture 
d. Heterog...
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Introduction to Chemistry 5th Edition Bauer Test Bank
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Introduction to Chemistry, 5e (Bauer) Chapter 3 Chemical Compounds 1) The figure shows all but which of the following? 1. A) two elements and a compound 2. B) a chemical reaction 3. C) one mixture and one pure substance 4. D) three compounds Answer: D Difficulty: 1 Easy Topic: Study of Chemistry Bloom’s: 2. Understand Gradable: automatic Subtopic: Classification and States of Matter; Properties of Matter Accessibility: Keyboard Navigation 2) Which of the substances shown in the figure is an io...
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FL 5 AAMC MCAT question with complete solution 2023
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FL 5 AAMC MCAT question with complete solution 2023What is the chemical structure of a component found in four of the five cofactors used by Na+-NQR? - correct answer says it is composed of flavin 
structure is a nucleotide base 
structure B could be 
structure C also could be 
structure D is an amino acid 
down between B and C 
to help, look at the captioned note on the table. it says Fl represents flavin which is the redox active center in four of the five cofactors of Na+-NQR 
C has an ubi...
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OCR AS LEVEL CHEMISTRY A HO32/02 DEPTH IN CHEMISTRY ORIGINAL EXAM V2 2024 WITH ACCURATE QUESTIONS AND ANSWERS FOR A+ GRADE CHECK THE LAST PAGE FOR ANSWERS
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OCR AS LEVEL CHEMISTRY A HO32/02 DEPTH IN CHEMISTRY 
ORIGINAL EXAM 2024 WITH ACCURATE QUESTIONS AND ANSWERS FOR A+ GRADE 
CHECK THE LAST PAGE FOR ANSWERS 
1	Group 2 elements are metals that react with oxygen and water. 
 
(a)	Magnesium is oxidised when it burns in oxygen to form an ionic compound. 
 
(i)	Write the electron configuration, in terms of sub-shells, of a magnesium atom. 
 
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Chemistry 1010 Final Clemson University test with verified solutions 2024 latest update.
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Molecule 
Unit of matter that results when two or more atoms are joined by covalent bonds 
 
 
 
Ionic Bond 
A bond resulting from the electrostatic attraction of a cation for an anion. 
 
 
 
 
Brainpower 
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Nonpolar Covalent Bond 
A bond characterized by an even distribution of charge; electrons in the bonds are shared equally by the two atoms 
 
 
 
Polar Covalent Bond 
A bond resulting from unequal sharing of bonding pairs of electrons between atoms 
 
 
 
Polyatomic Ions 
Charged g...
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Test Bank For Foundations of College Chemistry 14th Edition Hein
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Package Title: Hein Test Bank 
Course Title: Hein 14e 
Chapter Number: 3 
 
 
Question type: Multiple Choice 
 
 
1) All matter is composed of elements. Approximately how many elements are there? 
 
a) 4 
b) 10 
c) 68 
d) 100 
 
Answer: D 
 
Difficulty: easy 
Learning Objective 1: Define an element and write the chemical symbol for an element when given its name. 
Section Reference 1: Section 3.1 
 
 
2) The smallest particle of an element that can exist is called a(n) ___. 
 
a) atom 
b) ferrul...
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BLG1501 Assignment 2 Semester 1 2024 (Solutions)
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BLG1501 Assignment 2 Semester 1 2024 (Solutions) 
 
Question 1 
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Question text 
Hydrolysis is reaction which occurs when 
Select one: 
a. 
a bond of a polymer is broken down through the addition of water molecule. 
b. 
two molecules are covalently bonded to each other through the loss of water. 
c. 
a double bond is formed between two atoms. 
d. 
a triple bond is formed between two atoms. 
Clear my choice 
Question 2 
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Chem 219 Unit 5 Exam with Correct Solutions
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Chem 219 Unit 5 Exam with Correct Solutions 
Generic formula for alcohols - Answer -R-OH 
phenol - Answer -hydroxy-substituted aromatic molecules (any compound with an -OH attached to a 
benzene ring) 
IUPAC system rules for naming organic alcohols - Answer -- organic alcohols are named by replacing the 
suffix of the parent chain of the molecule with the suffix -ol 
- The parent chain is numbered so as to give the hydroxyl group the lowest possible number. (examples: 
1-propanol, and cyclohexan...
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