Reactant in excess - Study guides, Class notes & Summaries
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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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AQA A-level CHEMISTRY 7405/2 Paper 2 Organic and Physical Chemistry Version: 1.0 Final *Jun237405201* IB/M/Jun23/E8 7405/2QUESTION PAPER & MARKING SCHEME/ [MERGED] Marl( scheme June 2023
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AQA 
A-level 
CHEMISTRY 
7405/2 
Paper 2 Organic and Physical Chemistry 
Version: 1.0 Final 
*Jun* 
IB/M/Jun23/E8 7405/2 
For Examiner’s Use 
Question Mark 
1 
2 
3 
4 
5 
6 
7 
8 
9 
TOTAL 
Monday 19 June 2023 Afternoon Time allowed: 2 hours 
Materials 
For this paper you must have: 
• the Periodic Table/Data Booklet, provided as an insert (enclosed) 
• a ruler with millimetre measurements 
• a scientific calculator, which you are expected to use where appropriate. 
Instructions 
• Us...
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Test Bank For Chemistry The Molecular Science 5th Edition by John W. Moore
- Exam (elaborations) • 458 pages • 2023
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Chapter 3: Chemical Reactions 
1. Which of the following cannot be determined from a balanced chemical equation? 
a. b. c. d. e. 
ANSWER: POINTS: TOPICS: OTHER: 
The number of molecules of reactants and products. The number of atoms of each element reacting. 
The number of moles of reactants and products. The relative mass of each reactant and product. Whether the reaction will proceed as written. 
e 
1 
3.1 Chemical Equations Comprehension 
2. In the reaction given below, if 12 moles of aluminu...
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AQA A-level CHEMISTRY 7405/2 Paper 2 Organic and Physical Chemistry Version: 1.0 Final *Jun237405201* IB/M/Jun23/E8 7405/2// QUESTION PAPER & MARKING SCHEME/ [MERGED] Marl( scheme June 2023
- Exam (elaborations) • 66 pages • 2024
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AQA 
A-level 
CHEMISTRY 
7405/2 
Paper 2 Organic and Physical Chemistry 
Version: 1.0 Final 
*Jun* 
IB/M/Jun23/E8 7405/2 
For Examiner’s Use 
Question Mark 
1 
2 
3 
4 
5 
6 
7 
8 
9 
TOTAL 
Monday 19 June 2023 Afternoon Time allowed: 2 hours 
Materials 
For this paper you must have: 
• the Periodic Table/Data Booklet, provided as an insert (enclosed) 
• a ruler with millimetre measurements 
• a scientific calculator, which you are expected to use where appropriate. 
Instructions 
• Us...
-
Practicals Chemistry AQA A-level Rated A+
- Exam (elaborations) • 24 pages • 2023
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Practicals Chemistry AQA A-level Rated A+ 
Required Practical 1 - titration and making a standard solution 
Making a standard solution 1. weigh the required mass of solid using a sample bottle on a 2 dp balance. 
2. transfer the solid into a beaker using distilled water to wash it out- preventing any solid remaining in the sample bottle. 
3. reweigh the sample bottle and work out the difference. 
4. Add 100cm3 of distilled water to the beaker to dissolve the solid (small volume of water) using a...
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TEST BANK for Seeley's Anatomy & Physiology 13th Edition by Cinnamon VanPutte, Jennifer Regan, Andrew Russo. All Chapters 1-29. (Complete Download) 1751 Pages
- Exam (elaborations) • 1751 pages • 2023
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Version 1 1 
CHAPTER 1 
1) Which technique creates a three-dimensional dynamic image of blood vessels? 
A) Digital subtraction angiography 
B) Magnetic resonance imaging 
C) Dynamic spatial reconstruction 
D) Positron emission tomography 
2) Magnetic resonance imaging is based on the movement of 
A) electrons in a magnetic field. 
B) carbons in a magnetic field. 
C) protons in a magnetic field. 
D) cells in a magnetic field. 
3) The delivery of a radioactive compound to the body to study the met...
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Clemson Chem 1010 Exam 3 with complete verified solutions(GUARANTEED SUCCESS)
- Exam (elaborations) • 11 pages • 2024
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Stoichiometry 
the mole ratios among the reactants and products in a chemical reaction 
 
 
 
chemical equation 
a description of the identities and proportions of reactants and proucts 
 
 
 
 
reactants 
substances consumed during a chemical reaction 
 
 
 
products 
substances formed during a chemical reaction 
 
 
 
molecular mass 
the mass in amu of one molecule of a molecular compound 
 
 
 
molar mass 
the mass of one mole of a substance 
 
 
 
formula mass 
mass in amu of one formula uni...
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All Domains Jean Inman Questions with Explanations of Answers 2022/2023
- Exam (elaborations) • 269 pages • 2022
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All Domains Jean Inman Questions with 
Explanations of Answers 
Which amino acids must be present in a parenteral solution? 
a. valine, leucine, glycine, alanine 
b. tryptophan, phenylalanine, threonine, isoleucine 
c. phenylalanine, methionine, arginine, tyrosine 
d. lysine, glutamic acid, alanine, glycine - ANS- b. tryptophan, phenylalanine, 
threonine, isoleucine 
A parenteral solution requires adequate supplementation of all essential amino 
acids. 
Essential amino acids = those that can...
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Chapter 9 - Stoichiometry Questions And Answers With Latest Updates
- Exam (elaborations) • 2 pages • 2024
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Composition Stoichiometry - calculations involving the mass relationships of elements in 
compounds 
Reaction Stoichiometry - calculations involving the mass relationships between reactants and 
products in a chemical reaction 
Mole Ratio - a conversion factor that relates the amounts in moles of any two substances involved 
in a chemical reaction 
Stoichiometry - (chemistry) the relation between the quantities of substances that take part in a 
reaction or form a compound (typically a ratio of ...
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Chemistry 101 Final Ivy Tech Exam Questions with 100% Verified Correct Answers Graded A+
- Exam (elaborations) • 24 pages • 2023
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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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