Ammonium sulfide Study guides, Class notes & Summaries

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 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...

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 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...

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 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 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...

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]^...

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 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) →...