Reactant in excess - Study guides, Class notes & Summaries
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AP Chem Final Exam Review 100% Correct!
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Density - ANSWERmass/volume 
 
Law of Conservation of Mass - ANSWERmass reactants= mass products 
 
Law of Multiple Proportions - ANSWERatoms combine in fixed whole # ratios 
 
Alkali metals - ANSWERGroup 1 metals 
 
Alkaline earth metals - ANSWERGroup 2 metals 
 
Transition metals - ANSWERelements in groups 3-12 
 
mol - ANSWER6.022x10^23 
 
Limiting reactant - ANSWERreactant that's completely used up in a chemical reaction 
 
excess reactant - ANSWERreactant which doesn't get used up complet...
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LUOA chemistry semester exam review 2023 with complete solution
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LUOA chemistry semester exam review 2023 with complete solution 
 
How many molecules are in 3.9 moles of water? 
2.3 x 10^24 molecules of water 
How many moles are in 3.75 x 10^24 molecules of CO2? 
6.23 moles 
How many moles are in 1.16 x 10^25 atoms of H2CO3? 
19.3 moles of H2CO3 
The molar mass of Cu(OH)2 is _________ grams per mole. 
 
(Hint: Answers might vary slightly, but should still fall within an acceptable range for the correct answer) 
97.55 
How many moles are in 132.3 grams of car...
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Bio180 Exam 4 BYUI | Questions and answers latest update | verified answers
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Environmental Regulation - correct answer Changing the temperature or PH will alter the activity of an enzyme. 
Temporal Regulation - correct answer Enzymes are made or destroyed when a cell needs or doesn't 
The energy currency used by cells is ____________. - correct answer ATP 
A reducing chemical reaction _______. - correct answer adds an electron to the substrate. 
Chemiosmosis - correct answer Process in which there is a production of ATP in cellular metabolism by the 
involvement of a pr...
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Test Bank For Chemical Principles 8th Edition Zumdahl
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Chapter 03 - Stoichiometry 
1. Bromine exists naturally as a mixture of bromine-79 and bromine-81 isotopes. An atom of bromine-79 contains 
a. 79 protons, 79 electrons, and 35 neutrons. b. 35 protons, 44 neutrons, and 35 electrons. c. 44 protons, 44 electrons, and 35 neutrons. d. 34 protons and 35 electrons only. 
e. 35 protons, 79 neutrons, and 35 electrons. 
ANSWER: POINTS: DIFFICULTY: TOPICS: KEYWORDS: 
b 
1 
easy 
3.1 
atomic theory of matter | early atomic theory | general chemistry | isoto...
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Test Bank for Chemical Principles 8th Edition by Steven S. Zumdahl
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Chapter 03 - Stoichiometry 
1. Bromine exists naturally as a mixture of bromine-79 and bromine-81 isotopes. An atom of bromine-79 contains 
a. 79 protons, 79 electrons, and 35 neutrons. 
b. 35 protons, 44 neutrons, and 35 electrons. 
c. 44 protons, 44 electrons, and 35 neutrons. 
d. 34 protons and 35 electrons only. 
e. 35 protons, 79 neutrons, and 35 electrons. 
ANSWER: POINTS: DIFFICULTY: TOPICS: KEYWORDS: 
b 
1 
easy 
3.1 
atomic theory of matter | early atomic theory | general chemistry | is...
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Module 2: Introduction To Quantitative Chemistry SOLUTION 2024 EDITION GUARANTEED GRADE A+
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chemical reaction 
the process by which one or more substances change to produce one or more different substances 
Stoichiometry 
The calculation of quantities in chemical reactions 
QQR method 
(Quantity, quantity, ratio) is the link between maths and science. The ratio of calculation/measurement = the 1st quantity DIVIDED BY the 2nd quantity. 
Density 
mass/volume 
quantitiative 
results reported in NUMBERS 
data can be counted and analyzed by descriptive or inferential statistics 
Qualititive...
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Test Bank Memmlers Structure and Function of the Human Body 12th Edition Cohen
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Test Bank Memmlers Structure and Function of the Human Body 12th Edition Cohen Chapter 01: Introduction to the Body MULTIPLE CHOICE 1. The word derived from two word parts that mean ―cutting apart‖ is a. physiology b. homeostasis c. anatomy d. dissection ANS: C DIF: Memorization REF: p. 3 OBJ: 1 TOP: Introduction 2. The study of how the body functions is called a. physiology b. homeostasis c. anatomy d. dissection ANS: A DIF: Memorization REF: p. 3 OBJ: 1 TOP: Introduction 3. The correct seq...
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ACS Gen Chem Practice Exam 77 Questions with Verified Answers,100% CORRECT
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ACS Gen Chem Practice Exam 77 Questions with Verified Answers 
 
Which is the strongest oxidizing agent? 
N a →← N a + + e - 2 . 7 1 V 
Cd →← Cd2+ + 2e- 0.40 V 
H2 →← 2H+ +2e- 0.00V 
Ag→← Ag++e- -0.80V 
(A) Na+ 
(B)H2 
(C) Cd0 
(D)Ag+ - CORRECT ANSWER Ag+ 
 
All are examples of Lewis acid-base reactions except 
Cu2+(aq) + 4NH3(aq) →← [Cu(NH3)4]2+(aq) 
HCl(g) + NH3(g) → NH4Cl(s) 
H+(aq) + OH-(aq) →← H2O(l) 
2Na(s) + Cl2(g) → 2NaCl(s) - CORRECT ANSWER 2Na + Cl2 ->...
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AQA A Level Chemistry- Organic Chemistry questions and answers 100% guaranteed success.
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AQA A Level Chemistry- Organic Chemistry questions and answers 100% guaranteed success. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Empirical formula - ANS.The simplest whole number ratio of atoms of each element present in a compound 
 
How to find the empirical formula - ANS.Obtain the mass of each element present in grams 
(Element % = mass in g = m) 
 
Determine the number of moles of each type of atom present 
 
Divide the number of moles of each element by the smallest number of moles 
 
Co...
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LUOA chemistry semester exam review 2023 with complete solution
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LUOA chemistry semester exam review 2023 with complete solution 
 
How many molecules are in 3.9 moles of water? 
2.3 x 10^24 molecules of water 
How many moles are in 3.75 x 10^24 molecules of CO2? 
6.23 moles 
How many moles are in 1.16 x 10^25 atoms of H2CO3? 
19.3 moles of H2CO3 
The molar mass of Cu(OH)2 is _________ grams per mole. 
 
(Hint: Answers might vary slightly, but should still fall within an acceptable range for the correct answer) 
97.55 
How many moles are in 132.3 grams of car...
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