Question 1

The kinetic isotope effect is the basis for

Accepted Answer

A) the radioactivity of tritium. 
B) isolation of pure D 2O. 
C) tritium's high reactivity. 
D) the increase in boiling point when comparing hydrogen, deuterium, and tritium. 
E) nuclear power generation. 
A) the radioactivity of tritium. 
B) isolation of pure D 2O. 
C) tritium's high reactivity. 
D) the increase in boiling point when comparing hydrogen, deuterium, and tritium. 
E) nuclear power generation.

Question 2

Hydrometallurgy uses __________ to separate a metal from its ore.

Accepted Answer

A) solid phase chemical properties 
B) electrical processes 
C) thermal processes 
D) aqueous chemical processes 
E) molten salt processes 
A) solid phase chemical properties 
B) electrical processes 
C) thermal processes 
D) aqueous chemical processes 
E) molten salt processes

Question 3

The process of converting metal sulfides to metal oxides is called

Accepted Answer

A) roasting. 
B) smelting. 
C) reduction. 
D) leaching. 
E) oxidation. 
A) roasting. 
B) smelting. 
C) reduction. 
D) leaching. 
E) oxidation.

Question 4

Electrometallurgy uses __________ to separate a metal from its ore.

Accepted Answer

A) solid phase chemical properties 
B) electrical processes 
C) thermal processes 
D) aqueous chemical processes 
E) molten salt processes 
A) solid phase chemical properties 
B) electrical processes 
C) thermal processes 
D) aqueous chemical processes 
E) molten salt processes

Question 5

The atmosphere contains about 700. billion metric tons of carbon in the form of carbon dioxide. In the carbon cycle, about 200. billion metric tons of carbon (as carbon dioxide) enters the atmosphere each year. Assuming that 200. billion metric tons of carbon also leaves the atmosphere annually, how many years does the average carbon atom spend in the atmosphere in each cycle?

Accepted Answer

A) 0.29 years 
B) 3.5 years 
C) 500. years 
D) 140,000 years 
E) More information is needed in order to calculate the answer. 
A) 0.29 years 
B) 3.5 years 
C) 500. years 
D) 140,000 years 
E) More information is needed in order to calculate the answer.

The kinetic isotope effect is the basis for

Hydrometallurgy uses __________ to separate a metal from its ore.

The process of converting metal sulfides to metal oxides is called

Electrometallurgy uses __________ to separate a metal from its ore.

Keys to the Study of Chemistry: Definitions, Units, and Problem Solving

The Components of Matter

Stoichiometry of Formulas and Equations

Three Major Classes of Chemical Reactions

Gases and the Kinetic-Molecular Theory

Thermochemistry: Energy Flow and Chemical Change

Quantum Theory and Atomic Structure

Electron Configuration and Chemical Periodicity

Models of Chemical Bonding

The Shapes of Molecules

Theories of Covalent Bonding

Intermolecular Forces: Liquids, Solids, and Phase Changes

The Properties of Mixtures: Solutions and Colloids

Periodic Patterns in the Main-Group Elements

Organic Compounds and the Atomic Properties of Carbon

Kinetics: Rates and Mechanisms of Chemical Reactions

Equilibrium: the Extent of Chemical Reactions

Acid-Base Equilibria

Ionic Equilibria in Aqueous Systems

Thermodynamics: Entropy, Free Energy, and Reaction Direction

Electrochemistry: Chemical Change and Electrical Work

Transition Elements and Their Coordination Compounds

Nuclear Reactions and Their Applications

Filters

Exam 22: The Elements in Nature and Industry

The kinetic isotope effect is the basis for

Hydrometallurgy uses __________ to separate a metal from its ore.

The process of converting metal sulfides to metal oxides is called

Electrometallurgy uses __________ to separate a metal from its ore.

Keys to the Study of Chemistry: Definitions, Units, and Problem Solving

The Components of Matter

Stoichiometry of Formulas and Equations

Three Major Classes of Chemical Reactions

Gases and the Kinetic-Molecular Theory

Thermochemistry: Energy Flow and Chemical Change

Quantum Theory and Atomic Structure

Electron Configuration and Chemical Periodicity

Models of Chemical Bonding

The Shapes of Molecules

Theories of Covalent Bonding

Intermolecular Forces: Liquids, Solids, and Phase Changes

The Properties of Mixtures: Solutions and Colloids

Periodic Patterns in the Main-Group Elements

Organic Compounds and the Atomic Properties of Carbon

Kinetics: Rates and Mechanisms of Chemical Reactions

Equilibrium: the Extent of Chemical Reactions

Acid-Base Equilibria

Ionic Equilibria in Aqueous Systems

Thermodynamics: Entropy, Free Energy, and Reaction Direction

Electrochemistry: Chemical Change and Electrical Work

Transition Elements and Their Coordination Compounds

Nuclear Reactions and Their Applications

Filters