Nitric acid hno3 - Study guides, Class notes & Summaries
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Acid-Base Equilibria question n answers rated A+ 2023/2024
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Acid-Base Equilibria 
Bronsted-Lowry theory of an acid? - correct answer An acid is a substance which can donate a proton (H+) to a base. 
 
Bronsted-Lowry theory of a base? - correct answer A base is a substance which can accept a proton (H+) from an acid. (N.B. All bases must have at least one pair of electrons to be able to accept a proton. 
 
T/F: When an acid loses a proton to a base, it forms a base itself. - correct answer True. Similarly, when a base accepts a proton from an acid, it for...
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ACS General Chemistry practice 147 Questions with Verified Answers,100%CORRECT
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ACS General Chemistry practice 147 Questions with Verified Answers 
 
Examples of Lewis-Acid based reactions - CORRECT ANSWER H+(aq) + OH-(aq) →← H2O(l), 
HCl(g) + NH3(g) → NH4Cl(s) 
H+(aq) + OH-(aq) →← H2O(l) 
 
According to the Lewis definition, an acid is a species - CORRECT ANSWER accepting a pair of electrons. 
 
All are potential Lewis bases except - CORRECT ANSWER CH4 
 
Which hydrated metal ion is most acidic under conditions of equal molar concentration in water? - CORRECT ANS...
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Test Bank For Chemistry and Chemical Reactivity 9th Edition By Kotz
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MULTIPLE CHOICE 
 
	1.	Nitroglycerin decomposes violently according to the balanced chemical equation below. 
 2 C3H5(NO3)3( ) 3 N2(g) + 1/2 O2(g) + 6 CO2(g) + 5 H2O(g) 
Which of the following statements concerning this reaction is/are CORRECT? 
	1.	Two moles of nitroglycerine will produce three moles of nitrogen and five moles of water. 
	2.	Four molecules of nitroglycerine will produced one molecule of oxygen and twelve molecules of carbon dioxide. 
	3.	Six grams of nitroglycerine w...
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CHEM133 Week 4 Lesson 2 Quiz
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1.	Question: If 0.274 moles of a substance weighs 62.5 g, what is the molar mass of the substance, in units of 
2.	Question: What volume of 18 M sulfuric acid must be used to prepare 1.80 L of 0.215 M H2SO4? 
3.	Question: What is the molecular mass of Br2? 
4.	Question: What is the molar concentration of sulfate ions in a 0.150 M Na2SO4 solution? 
5.	Question: How many moles of hydrogen chloride are contained in a 52.6 g sample of this gas? 
6.	Question: 1.00 mole of O2 contains the same number ...
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IAHCSMM question & answer 2023 updated graded A+
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IAHCSMM question & answer 2023 updated graded A+why do we use a neutral PH lubricant on instruments? - correct answer to make instrument last longer makes instrument easy for surgens to use 
 
where should the point of lubrication be on an instrument? - correct answer box lock 
hinge 
any moning and sliding areas 
 
passivation uses ___1__(HNO3) to remove all the iron content still found on the outside layer of the instrument. the remova of this iron helps to buld a protective outside layer of ...
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Edexcel GCSE Chemistry Test Questions With All Correct Answers
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Edexcel GCSE Chemistry Test Questions With All Correct Answers 
 
Uses for bitumen? - ANSWER Making roads 
 
Test fo H2 (hydrogen gas) - ANSWER Burns with squeaky pop 
 
Test for O2 (oxygen gas) - ANSWER Relights glowing splint 
 
Test for CO2 (carbon dioxide gas) - ANSWER Turns limewater cloudy (then colourless again) 
 
Test for Cl2 (chlorine gas) - ANSWER Turns damp blue litmus red, then bleaches it 
 
Test for NH3 (ammonia) - ANSWER Turns damp red litmus paper b...
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Chem 102 UMBC Chapter 16 Exam Questions with Correct Answers
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Define and identify a Brønsted acid and Brønsted base - ANSWER-Acid - can donate a proton (H+) 
Base - can accept a proton (H+) 
 
Define and identify a conjugate acid or conjugate base (i.e. a conjugate pair) - ANSWER-Acid - the cation that remains when a BBase accepts a proton 
Base - the anion that remains when a BAcid donates a proton 
Pair - the combination of a BAcid/BBase and its ConBase/ConAcid 
 
Explain how a conjugate acid or base is formed - ANSWER-Normally when an acid/base ionize...
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CHEM 1201 Exam 1 With 100% Correct And Verified Answers 2024
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CHEM 1201 Exam 1 With 100% Correct And Verified Answers 2024 
CO32- - Correct Answer-Carbonate (polyanion) 
 
NO3- - Correct Answer-Nitrate (polyanion) 
 
PO43- - Correct Answer-Phosphate (polyanion) 
 
SO42- - Correct Answer-Sulfate (polyanion) 
 
ClO4- - Correct Answer-Perchlorate (polyanion) 
 
How many oxygen are in a polyatomic anion named per-___-ate? - Correct Answer-4 oxygen 
 
How many oxygen molecules are in a polyatomic anion that's name ends in -ate? - Correct Answer-3 oxygen 
 
How...
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Chem 102 Csun Exam Questions with Complete Solutions
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What are buffer solutions made of? - ANSWER-Weak acid and its conjugate base. weak base and its conjugate acid 
 
At the equivalence point what does the volume do? - ANSWER-The volume will double 
 
Insoluble bases dissolve in what solution? - ANSWER-Acidic Solutions 
 
Insoluble acids dissolve in what solutions? - ANSWER-Basic Solutions 
 
What pH is neutral? - ANSWER-pH=7 
 
What pH is basic? - ANSWER-pH>7 
 
What pH is acidic? - ANSWER-pH<7 
 
What is the value of Kw - ANSWER-1.00 x 10^...
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CHEM133 Week 4 Lesson 2 Quiz Questions and Answers APU
- Exam (elaborations) • 10 pages • 2023
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1.	Question: If 0.274 moles of a substance weighs 62.5 g, what is the molar mass of the substance, in units of 
2.	Question: What volume of 18 M sulfuric acid must be used to prepare 1.80 L of 0.215 M H2SO4? 
3.	Question: What is the molecular mass of Br2? 
4.	Question: What is the molar concentration of sulfate ions in a 0.150 M Na2SO4 solution? 
5.	Question: How many moles of hydrogen chloride are contained in a 52.6 g sample of this gas? 
6.	Question: 1.00 mole of O2 contains the same number ...
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