Ammonium sulfide Study guides, Class notes & Summaries
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![Test Bank for Living in the Environment 18th Edition Miller](/docpics/3505960/6512f62fe6ab3_3505960_121_171.jpeg)
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Test Bank for Living in the Environment 18th Edition Miller
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CHAPTER 3—ECOSYSTEMS: WHAT ARE THEY AND HOW DO THEY WORK? 
 
MULTIPLE CHOICE 
 
	1.	Scientists estimate that tropical rain forests contain up to half of the earth’s land plants and animal species. What percentage of the world’s land surface do tropical rain forests cover? 
a.	2 
b.	4 
c.	8 
d.	10 
e.	12 
 
 
ANS:	A	PTS:	1	 
TOP:	3-0 Core Case Study: Tropical Rain Forests Are Disappearing	 
KEY:	Bloom's: Remember		NOT:	New 
 
	2.	The disappearance of the tropical rain forests is an importa...
![Chemistry 121 Exam #1 Questions and Answers 100% Pass](/docpics/5419994/664fe61cc1b77_5419994_121_171.jpeg)
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Chemistry 121 Exam #1 Questions and Answers 100% Pass
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Chemistry 121 Exam #1 Questions and 
Answers 100% Pass 
Hydroxide - Correct Answer ️️ -OH- 
Acetate - Correct Answer ️️ -C₂H₃O₂⁻ 
Nitrate - Correct Answer ️️ -NO₃⁻ 
nitrite - Correct Answer ️️ -NO₂⁻ 
Oxide - Correct Answer ️️ -O²⁻ 
Sulfide - Correct Answer ️️ -S²⁻ 
Sulfite - Correct Answer ️️ -SO₃²⁻ 
Sulfate - Correct Answer ️️ -SO₄²⁻ 
Carbonate - Correct Answer ️️ -CO₃²⁻ 
Chromate - Correct Answer ️️ -CrO₄²⁻ 
Dich...
![Chem 1311- Exam 2 (Chapters 4,10,5) Questions With Complete Solutions](/docpics/3492454/65100bbd9037d_3492454_121_171.jpeg)
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Chem 1311- Exam 2 (Chapters 4,10,5) Questions With Complete Solutions
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Types of Electrolytes: correct answer: -strong: SOLUBLE & IONIC 
-weak: SOLUBLE & MOLECULAR 
-non-electrolytes: INSOLUBLE 
 
Solubility Rules correct answer: 1. Group 1A Metals (Li+, Na+, K+, etc.) 
2. Ammonium (NH4+) 
3. Nitrate (NO3-) 
4. Acetate (C2H3O2-) or (CH3COO-) 
5. Hydrogren Carbonate (HCO3-) 
6. Chlorate (ClO3-) 
7. Perchlorate (ClO4-) 
8. Halogens (Cl-, Br-, I-) EXCEPT W/ (Ag+, Pb2+, Hg2^2+) 
9. Sulfate (SO4^2-) EXCEPT W/ (Ag+, Pb2+, Ca2+, Sr2+, Ba2+) 
 
Insolubility Rules correct ...
![Chemistry 121 Exam #1 Questions and Answers 100% Pass](/docpics/5514280/665cec191d023_5514280_121_171.jpeg)
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Chemistry 121 Exam #1 Questions and Answers 100% Pass
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Chemistry 121 Exam #1 Questions and 
Answers 100% Pass 
Hydroxide - Correct Answer ️️ -OH- 
Acetate - Correct Answer ️️ -C₂H₃O₂⁻ 
Nitrate - Correct Answer ️️ -NO₃⁻ 
nitrite - Correct Answer ️️ -NO₂⁻ 
Oxide - Correct Answer ️️ -O²⁻ 
Sulfide - Correct Answer ️️ -S²⁻ 
Sulfite - Correct Answer ️️ -SO₃²⁻ 
Sulfate - Correct Answer ️️ -SO₄²⁻ 
Carbonate - Correct Answer ️️ -CO₃²⁻ 
Chromate - Correct Answer ️️ -CrO₄²⁻ 
Dich...
![Chemistry Nomenclature Verified Question And Answers Scored A+.](/docpics/4809251/65fd370decdb4_4809251_121_171.jpeg)
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Chemistry Nomenclature Verified Question And Answers Scored A+.
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calcium iodide - correct answer CaI2 
 
magnesium nitrate - correct answer Mg(NO3)2 
 
iron(II) acetate - correct answer Fe(C2H3O2)2 
 
lead(IV) oxide - correct answer PbO2 
 
calcium hydride - correct answer CaH2 
 
copper(II) sulfide - correct answer CuS 
 
hydrogen sulfide (g) - correct answer H2S 
 
magnesium nitrate - correct answer MgNO3 
 
iron(II) acetate - correct answer Fe(C2H3O2)2 
 
calcium iodide - correct answer CaI2 
 
calcium hydride - correct answer CaH2 
 
potassium chromate - ...
![Chemistry 121 Exam #1 Questions and Answers 100% Pass](/docpics/5059563/6623ffdc096b9_5059563_121_171.jpeg)
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Chemistry 121 Exam #1 Questions and Answers 100% Pass
- Exam (elaborations) • 5 pages • 2024
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Chemistry 121 Exam #1 Questions and 
Answers 100% Pass 
Hydroxide - Correct Answer ️️ -OH- 
Acetate - Correct Answer ️️ -C₂H₃O₂⁻ 
Nitrate - Correct Answer ️️ -NO₃⁻ 
nitrite - Correct Answer ️️ -NO₂⁻ 
Oxide - Correct Answer ️️ -O²⁻ 
Sulfide - Correct Answer ️️ -S²⁻ 
Sulfite - Correct Answer ️️ -SO₃²⁻ 
Sulfate - Correct Answer ️️ -SO₄²⁻ 
Carbonate - Correct Answer ️️ -CO₃²⁻ 
Chromate - Correct Answer ️️ -CrO₄²⁻ 
Dich...
![OCR AS LEVEL CHEMISTRY A H032/01 BREADTH IN CHEMISTRY GENUINE 2024 EXAM WITH ACCURATE ANSWERS FOR A+ GRADE. CHECK THE LAST PAGE FOR ANSWERS](/docpics/3943889/656a247053448_3943889_121_171.jpeg)
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OCR AS LEVEL CHEMISTRY A H032/01 BREADTH IN CHEMISTRY GENUINE 2024 EXAM WITH ACCURATE ANSWERS FOR A+ GRADE. CHECK THE LAST PAGE FOR ANSWERS
- Exam (elaborations) • 40 pages • 2023
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OCR AS LEVEL CHEMISTRY A H032/01 BREADTH IN CHEMISTRY 
GENUINE 2024 EXAM WITH ACCURATE ANSWERS FOR A+ GRADE. 
CHECK THE LAST PAGE FOR ANSWERS 
row shows the atomic structure of 37Cl –? 
 
	protons	neutrons	electrons 
A	17	18	20 
B	17	20	18 
C	18	19	17 
D	20	17	21 
 
 
Your answer	[1] 
 
 
2	What is the formula of ammonium sulfide? 
 
A	NH4S 
B	NH4SO4 
C	(NH4)2S 
D	(NH4)2SO4 
 
Your answer	[1] 
 
 
3	Calcium nitrate, Ca(NO3)2, decomposes when heated, as shown below. 
Ca(NO3)2(s) → CaO(s) + 2N...
![CHEM 129 Final Questions and Answers 2024 with complete solution](/docpics/5013493/661e1fa333d19_5013493_121_171.jpeg)
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CHEM 129 Final Questions and Answers 2024 with complete solution
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Calculate the molar solubility of Calcium Sulfate with a Ksp=2.4x10^-5 - HINT: just an ICE Table 
x= 4.89x10^-3 
Calculate the solubility of Aluminum hydroxide with Ksp=3x10^24 - x= 7.59x10^-7 
Given the solubility of copper (1) Chloride is 4.31mg/100ml, what is the Ksp? - Ksp=1.89x10^-7 
What is the solubility product for each of the following reactions? 
Silver Iodine 
Calcium Carbondate 
Magnesium Hydroxide 
Magnesium Ammonium Phosphate 
Ca5(PO4)3OH - Ksp=[Ag][I] 
Ksp=[Ca][CO3] 
Ksp=[Mg][OH]^...
![Chem 1311- Exam 2 (Chapters 4,10,5) 2023 with 100% correct answers](/docpics/3520689/6515c09fcdda9_3520689_121_171.jpeg)
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Chem 1311- Exam 2 (Chapters 4,10,5) 2023 with 100% correct answers
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Types of Electrolytes: correct answers-strong: SOLUBLE & IONIC 
-weak: SOLUBLE & MOLECULAR 
-non-electrolytes: INSOLUBLE 
 
Solubility Rules correct answers1. Group 1A Metals (Li+, Na+, K+, etc.) 
2. Ammonium (NH4+) 
3. Nitrate (NO3-) 
4. Acetate (C2H3O2-) or (CH3COO-) 
5. Hydrogren Carbonate (HCO3-) 
6. Chlorate (ClO3-) 
7. Perchlorate (ClO4-) 
8. Halogens (Cl-, Br-, I-) EXCEPT W/ (Ag+, Pb2+, Hg2^2+) 
9. Sulfate (SO4^2-) EXCEPT W/ (Ag+, Pb2+, Ca2+, Sr2+, Ba2+) 
 
Insolubility Rules correct answ...
![CHEM 101 Unit 3 Homework Exam Questions With 100% Correct Answers](/docpics/4888735/660ab67017ecc_4888735_121_171.jpeg)
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CHEM 101 Unit 3 Homework Exam Questions With 100% Correct Answers
- Exam (elaborations) • 8 pages • 2024
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CHEM 101 Unit 3 Homework Exam 
Questions With 100% Correct Answers 
HCl, NaHCO₃ - answerWhat are the reactants in the following equation: HCl(aq) + 
NaHCO₃(aq)→ CO₂(g) + H₂O(l) + NaCl(aq) 
A + BX → AX + B - answerWhich of the following represents the generic form of a single- 
displacement reaction? 
A) A + BX → AX + B 
B) AB → A + B 
C) AX + BY → AY + BX 
D) A + B → AB 
combination - answerWhat type of reaction is represented by the following equation: 2Na(s) 
+ Cl₂(g) →...
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