Pb the chemical - Study guides, Class notes & Summaries

Any ionic compound containing group IA or NH4+ cations are.... - ANSWERAlways Soluble Ionic compounds containing NO3-, NO2-, ClO3-, ClO4-, C2H3O2-, & HCO3- anions are - ANSWERAlways Soluble Ionic compounds containing Cl-, Br-, & I- anions are soluble EXCEPT when combined with... - ANSWERAg, Hg, and Pb cations Ionic compound containing SO4^2- are soluble EXCEPT when combined with... - ANSWERAg, Hg, Pb, Ca, Sr, Ba Ionic compounds containing So3^2-, S^2-, CO3^2-, PO4^3-, CrO4^2-, & CrO7...

CHEM 1020 Test Questions with All Correct Answers What is the group that distinguishes alcohols from other classes of compounds? - ANSWER hydroxy Oxygen in an __________ is directly associated with a hydrogen. - ANSWER alcohol The oxygen in an __________ is not directly bound to a hydrogen. - ANSWER ether To which class of compounds does cholesterol belong? - ANSWER an alcohol Compare glycerol with ethanol. - ANSWER Glycerol is a long chain alcohol, ethanol is a short chain alcohol....

What element has been oxidized and what element has been reduced in the redox reaction shown? 3CuS + 8HNO3 ==> 3CuSO4 + 8NO + 4H20 Select one: a. Copper has been oxidized; nitrogen has been reduced. b. Nitrogen has been oxidized; oxygen has been reduced. c. Sulfur has been oxidized; nitrogen has been reduced. d. Oxygen has been oxidized; copper has been reduced. - c. Sulfur has been oxidized; nitrogen has been reduced. When iron ions react with water, some of the iron ions will comb...

General Chemistry II (CHEM113) ACS Final 289 Questions with Verified Answers The two states that are collectively known as the condensed states are _______. - CORRECT ANSWER solid and liquid The attractive forces that exist between all molecules and atoms, and are the forces that hold many solids and liquids together - CORRECT ANSWER intermolecular forces Intermolecular forces are only significant at _____. - CORRECT ANSWER short distances The state of a sample of matter is determine...

Chapter 02 Atoms and the Periodic Table 1. The scientist who determined the magnitude of the electric charge on the electron was A. John Dalton. B. Robert Millikan. C. J. J. Thomson. D. Henry Moseley. E. J. Burdge. Blooms: 1. Remember Difficulty: Easy Gradable: automatic Subtopic: Structure of the Atom Topic: Components of Matter 2. When J. J. Thomson discovered the electron, what physical property of the electron did he measure? A. its charge, e B. its charge-to-mass ratio,...

Any ionic compound containing group IA or NH4+ cations are.... - ANSWERAlways Soluble Ionic compounds containing NO3-, NO2-, ClO3-, ClO4-, C2H3O2-, & HCO3- anions are - ANSWERAlways Soluble Ionic compounds containing Cl-, Br-, & I- anions are soluble EXCEPT when combined with... - ANSWERAg, Hg, and Pb cations Ionic compound containing SO4^2- are soluble EXCEPT when combined with... - ANSWERAg, Hg, Pb, Ca, Sr, Ba Ionic compounds containing So3^2-, S^2-, CO3^2-, PO4^3-, CrO4^2-, & CrO7...

Chapter 1—Living in a World of Chemistry MULTIPLE CHOICE 1. Which activity comes first in the scientific method? a. conclusion b. hypothesis c. experimentation d. observation ANS: D 2. Which is considered a physical science? a. physics b. biology c. zoology d. botany ANS: A 3. A scientist is trying to make a new insecticide that will be more toxic to flies, but less toxic to humans than insecticides now available. The scientist is engaged in a. basic research. b. applied research. ...

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...

What are lot numbers used for? - Answer- Used by manufactures for quality control What are the parts to lot numbers? - Answer- Manufactures Identification code (MIC) (identifies primary manufacturer of the round) Year/month of production (I not used) Lot Interfix number Tenth Position Sequence Number (round limit and time limit) Ammo lot suffix (not always used, denotes rework) What does lot interfix represent? - Answer- More than a 30 day break in production a new contract for the a...

Lead Inspector Correct Answer A certified individual who conducts a surface-by-surface investigation to determine the presence of lead-based paint. Lead Risk Assessor Job Description Correct Answer Determining the existence, nature, severity, and location of lead-based paint hazards in an entire residential dwelling or child-occupied facility, and provides a written report explaining the results of the investigation and options for reducing lead-based paint hazards to the person requesting th...