Question 1

The density of sodium metal is 0.97 g.cmS1U1P1-S1S1P0S1U1P13 S1S1P0 .Sodium crystallizes in a body-centered cubic structure; estimate the atomic radius.

Accepted Answer

A)  95 pm 
B)  320 pm 
C)  370 pm 
D)  65 pm 
E)  190 pm 
A)  95 pm 
B)  320 pm 
C)  370 pm 
D)  65 pm 
E)  190 pm

Question 2

How many atoms of argon occupy 20.00 mL if the temperature is 200°C and the pressure is 2.00 × 10-3 Torr?

Accepted Answer

A)  2.01 * 10S1U1P117 S1S1P0 
B)  6.02 * 10S1U1P1-17 S1S1P0 
C)  3.10 * 10S1U1P117 S1S1P0 
D)  2.44 * 10S1U1P119 S1S1P0 
E)  2.80 * 10S1U1P1-11 S1S1P0 
A)  2.01 * 10S1U1P117 S1S1P0 
B)  6.02 * 10S1U1P1-17 S1S1P0 
C)  3.10 * 10S1U1P117 S1S1P0 
D)  2.44 * 10S1U1P119 S1S1P0 
E)  2.80 * 10S1U1P1-11 S1S1P0

Question 3

If the compression factor,Z,is less than one for a given gas,the van der Waals coefficient "a" is dominant for real gases

Accepted Answer

A) True 
 B)False

Question 4

Which mineral is a common form of crystalline calcium carbonate?.

Accepted Answer

A)  Carbonite. 
B)  Calcite. 
C)  Aragonite. 
D)  B and C, above. 
E)  A and C, above. 
A)  Carbonite. 
B)  Calcite. 
C)  Aragonite. 
D)  B and C, above. 
E)  A and C, above.

Question 5

How does an electron well form in a nano-material?

Accepted Answer

A)  It migrates to an area of higher energy. 
B)  They frorm as atoms produce discrete energy levels. 
C)  Their spins align in a magnetic field. 
D)  They form as Cooper pairs. 
E)  A cluster of atoms in a medium traps them. 
A)  It migrates to an area of higher energy. 
B)  They frorm as atoms produce discrete energy levels. 
C)  Their spins align in a magnetic field. 
D)  They form as Cooper pairs. 
E)  A cluster of atoms in a medium traps them.

Question 6

Steel is often produced through what is called the basic oxygen process.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following cations is likely to be hydrated in compounds?

Accepted Answer

A)  Cs+  
B)  NH4+ 
C)  La3+  
D)  Rb+  
E)  K+  
A)  Cs+  
B)  NH4+ 
C)  La3+  
D)  Rb+  
E)  K+

The density of sodium metal is 0.97 g.cm^-³ .Sodium crystallizes in a body-centered cubic structure; estimate the atomic radius.

How many atoms of argon occupy 20.00 mL if the temperature is 200°C and the pressure is 2.00 × 10-3 Torr?

If the compression factor,Z,is less than one for a given gas,the van der Waals coefficient "a" is dominant for real gases

Which mineral is a common form of crystalline calcium carbonate?.

How does an electron well form in a nano-material?

Steel is often produced through what is called the basic oxygen process.

Which of the following cations is likely to be hydrated in compounds?

Atoms

Molecules

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

Organic Chemistry

Filters

Exam 3: States of Matter

The density of sodium metal is 0.97 g.cm-3 .Sodium crystallizes in a body-centered cubic structure; estimate the atomic radius.

How many atoms of argon occupy 20.00 mL if the temperature is 200°C and the pressure is 2.00 × 10-3 Torr?

If the compression factor,Z,is less than one for a given gas,the van der Waals coefficient "a" is dominant for real gases

Which mineral is a common form of crystalline calcium carbonate?.

How does an electron well form in a nano-material?

Steel is often produced through what is called the basic oxygen process.

Which of the following cations is likely to be hydrated in compounds?

Atoms

Molecules

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

Organic Chemistry

Filters

The density of sodium metal is 0.97 g.cm^-³ .Sodium crystallizes in a body-centered cubic structure; estimate the atomic radius.