Question 1

The S.I.base unit of mass is

Accepted Answer

A) mg 
B) g 
C) kg 
D) metric ton 
E) lb 
A) mg 
B) g 
C) kg 
D) metric ton 
E) lb

Question 2

Use the relationship between temperatures in Celsius and Fahrenheit to calculate the temperature at which
a.the numerical value is the same on both scales.
b.the Fahrenheit number is exactly twice the Celsius number.

Accepted Answer

a.40.°F =

Question 3

When applying the scientific method,it is important to avoid any form of hypothesis.

Accepted Answer

A) True 
 B)False

Question 4

Select the answer that expresses the result of this calculation with the correct number of significant figures and with correct units.

Accepted Answer

A) 105.2 g/cm3 
B) 105.2 g/cm2 
C) 105.2 g/cm 
D) 72.13 g/cm2 
E) 72.13 g/cm 
A) 105.2 g/cm3 
B) 105.2 g/cm2 
C) 105.2 g/cm 
D) 72.13 g/cm2 
E) 72.13 g/cm

Question 5

Which measurement is expressed to 4 significant figures?

Accepted Answer

A) 0.00423 kg 
B) 24.049 cm 
C) 1300 K 
D) 82,306 m 
E) 62.40 g 
A) 0.00423 kg 
B) 24.049 cm 
C) 1300 K 
D) 82,306 m 
E) 62.40 g

Question 6

Which of the following activities is not a part of good science?

Accepted Answer

A) proposing a theory 
B) developing a hypothesis 
C) making quantitative observations 
D) designing experiments 
E) indulging in speculation 
A) proposing a theory 
B) developing a hypothesis 
C) making quantitative observations 
D) designing experiments 
E) indulging in speculation

The S.I.base unit of mass is

Use the relationship between temperatures in Celsius and Fahrenheit to calculate the temperature at which a.the numerical value is the same on both scales. b.the Fahrenheit number is exactly twice the Celsius number.

When applying the scientific method,it is important to avoid any form of hypothesis.

Select the answer that expresses the result of this calculation with the correct number of significant figures and with correct units.

Which measurement is expressed to 4 significant figures?

Which of the following activities is not a part of good science?

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 Solutions

The Main-Group Elements: Applying Principles of Bonding and Structure

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 the Direction of Chemical Reactions

Electrochemistry: Chemical Change and Electrical Work

The Transition Elements and Their Coordination Compounds

Nuclear Reactions and Their Applications

Filters

Exam 1: Keys to the Study of Chemistry

The S.I.base unit of mass is

Use the relationship between temperatures in Celsius and Fahrenheit to calculate the temperature at which a.the numerical value is the same on both scales. b.the Fahrenheit number is exactly twice the Celsius number.

When applying the scientific method,it is important to avoid any form of hypothesis.

Select the answer that expresses the result of this calculation with the correct number of significant figures and with correct units.

Which measurement is expressed to 4 significant figures?

Which of the following activities is not a part of good science?

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 Solutions

The Main-Group Elements: Applying Principles of Bonding and Structure

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 the Direction of Chemical Reactions

Electrochemistry: Chemical Change and Electrical Work

The Transition Elements and Their Coordination Compounds

Nuclear Reactions and Their Applications

Filters