Chemical equation Study guides, Class notes & Summaries
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FAC1602 Assignment 1 Semester 1 2024 (SOLUTIONS)
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FAC1602 Assignment 1 Semester 1 2024 (SOLUTIONS) 
 
Question 1 
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Question text 
Mhlalkwana Dealers is in the business of selling leather jackets, at a price of R1 500 each, around the townships of 
KwaNdebele. The owner, Masango, was approached by a local clothing store called Thubana Clothing for a bulk sale. 
Mhlalkwana Dealers sold 18 jackets to Thubana Clothing on credit and this transaction was concluded on 31 
October 2023. 
This transacti...
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AQA AS CHEMISTRY 7404/2 Paper 2 Organic and Physical Chemistry Question Paper + Mark scheme [MERGED] June 2022 *JUN227404201* IB/M/Jun22/E7 7404/2 For Examiner’s Use Question Mark 1
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AQA 
AS 
CHEMISTRY 
7404/2 
Paper 2 Organic and Physical Chemistry 
Question Paper + Mark scheme [MERGED] 
June 2022 
*JUN* 
IB/M/Jun22/E7 7404/2 
For Examiner’s Use 
Question Mark 
1 
2 
3 
4 
5 
6 
7 
Section B 
TOTAL 
Time allowed: 1 hour 30 minutes 
Materials 
For this paper you must have: 
• the Periodic Table/Data Sheet, provided as an insert (enclosed) 
• a ruler with millimetre measurements 
• a scientific calculator, which you are expected to use where appropriate. 
Instructions...
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CHEM 120 Week 5 Exam 2 (Units 3 and 4)
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1.	A solution is prepared by dissolving 50 g of KCl (74.6 g/mol) to a volume of 1 L. What is the molarity of this solution? 
2.	You prepare a solution by dissolving 20 g of NaCl to a volume of 350 mL in water. What is the mass/volume % concentration of this solution? 
3.	When the following reaction goes in the forward direction, what is the base? 
4.	You are preparing a buffered solution. So far, your solution contains H2PO4- ions, what would you add to this solution to prepare your buffer sy...
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Chemistry 101 Final Ivy Tech Questions With Complete Solution
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Diatomic O2 can react with the element magnesium to form magnesium oxide (MgO). The balanced chemical equation is: 
 
O2 + Mg ⟶ 2 MgO 
 
If 4 moles of magnesium totally reacted with more than enough O2, how many moles of MgO would be expected to form? 
 
A. 8 Moles 
B. 2 Moles 
C. 4 Moles 
D. 1 Mole 
E. Not Enough Info correct answer: C 
 
Which of the following is TRUE? 
 
A. Stoichiometry allows prediction of how much of the reactants are necessary to form a given amount of product. 
 
B. ...
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Chemistry 101 Final Ivy Tech Exam Questions with 100% Verified Correct Answers Graded A+
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Chemistry 101 Final Ivy Tech Exam Questions with 100% Verified Correct Answers Graded A+ 
Diatomic O2 can react with the element magnesium to form magnesium oxide (MgO). The balanced chemical equation is: 
 
O2 + Mg ⟶ 2 MgO 
 
If 4 moles of magnesium totally reacted with more than enough O2, how many moles of MgO would be expected to form? 
 
A. 8 Moles 
B. 2 Moles 
C. 4 Moles 
D. 1 Mole 
E. Not Enough Info - Correct Answer C 
 
Which of the following is TRUE? 
 
A. Stoichiometry allows predic...
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Introduction to Chemistry 5th Edition Bauer Test Bank
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Introduction to Chemistry 5th Edition by Rich Bauer – Test Bank Description Introduction to Chemistry 5th Edition by Rich Bauer – Test Bank Sample Questions Instant Download With Answer s 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: ...
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Chem 103 Module 1 to 6 Exam with Verified answers (100 OUT OF 100) Portage learning (Latest Update)
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Chem 103 Module 1 to 6 Exam with Verified answers (100 OUT OF 100) Portage learning (Latest Update) 
 
 
MODULE 1 EXAM 
Question 1	 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 = smalle...
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Test Bank For General, Organic, and Biochemistry 10th Edition By Katherine Denniston 9781260148954 Chapter 1-23 Complete Guide .
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Test Bank For General, Organic, and Biochemistry 10th Edition By Katherine Denniston 8954, 5 . 6198, 3 
 
1 Chemistry: Methods and Measurement 
 
2 The Structure of the Atom and the Periodic Table 
 
3 Structure and Properties of Ionic and Covalent Compounds 
 
4 Calculations and the Chemical Equation 
 
5 States of Matter: Gases, Liquids, and Solids 
 
6 Solutions 
 
7 Energy, Rate, and Equilibrium 
 
8 Acids and Bases and Oxidation-Reduction 
 
9 The Nucleus, Radioactivity, and Nuclear Medicin...
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Test Bank For Chemistry 4th Edition by Julia Burdge
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Chapter 03 Stoichiometry: Ratios of Combination 
1. Calculate the molecular mass of tetraphosphorus decaoxide, P4O10, a corrosive substance which can be used as a drying agent. 
A. 469.73 amu 
B. 283.88 amu 
C. 190.97 amu D. 139.88 amu E. 94.97 amu 
2. Calculate the formula mass of rubidium carbonate, Rb2CO3. A. 340.43 amu 
B. 255.00 amu 
C. 230.95 amu 
D. 145.47 amu E. 113.48 amu 
3. Calculate the formula mass of (NH4)3AsO4. A. 417.80 amu 
B. 193.05 amu 
C. 165.02 amu 
D. 156.96 amu E. 108.96 a...
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Semmelweis entrance exam Chemistry - 2023 Questions + Answers Graded A+
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The mole concept - Answer-A method that allows the relative number of reactant particles involved 
in a chemical reaction to be known 
Avogadro's number - Answer-number of representative particles in a mole, 6.02 X 10^23 
Basic structures of atoms - Answer-There is a nucleus in the center surrounded by an electron cloud 
or field 
Quantum numbers - Answer-Quantum numbers describe values of conserved quantities in the 
dynamics of a quantum system. In the case of electrons, the quantum numbers c...
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Test Bank For General, Organic, and Biochemistry 10th Edition By Katherine Denniston 9781260148954 Chapter 1-23 Complete Guide .
- Exam (elaborations) • 420 pages • 2023
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Test Bank For General, Organic, and Biochemistry 10th Edition By Katherine Denniston 8954, 5 . 6198, 3 
 
1 Chemistry: Methods and Measurement 
 
2 The Structure of the Atom and the Periodic Table 
 
3 Structure and Properties of Ionic and Covalent Compounds 
 
4 Calculations and the Chemical Equation 
 
5 States of Matter: Gases, Liquids, and Solids 
 
6 Solutions 
 
7 Energy, Rate, and Equilibrium 
 
8 Acids and Bases and Oxidation-Reduction 
 
9 The Nucleus, Radioactivity, and Nuclear Medicin...