Fundamental Constants and General Data Quiz
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Questions and Answers

What is the value of the elementary charge?

1.602176 x 10^-19 C

What is the value of the speed of light?

2.99792558 x 10^8 m s^-1

What is the value of Boltzmann's constant?

1.38065 x 10^-23 J K^-1

What is the value of Avogadro's constant?

<p>6.02214 x 10^23 mol^-1</p> Signup and view all the answers

What is the value of the second radiation constant?

<p>1.43878 x 10^-2 mK</p> Signup and view all the answers

Which statement best describes the focus of chemistry?

<p>The investigation of matter's properties and reactions</p> Signup and view all the answers

What is the main difference between metallic and electrolytic conductors?

<p>Electrolytic conductors conduct electricity without undergoing chemical changes</p> Signup and view all the answers

What is the primary focus of electrochemistry?

<p>Studying electrolyte solutions and phenomena at the atomic level</p> Signup and view all the answers

How are chemists commonly perceived in popular culture?

<p>As white-coated scientists mixing strange liquids in a laboratory</p> Signup and view all the answers

What is a characteristic of semi-conductors like Ge, In, and Tl?

<p>They can exhibit both N-type and P-type behavior</p> Signup and view all the answers

What are the properties of a protic polar solvent?

<p>High dielectric constant, hydrogen bond donor and acceptor, strong solvation of cations and anions.</p> Signup and view all the answers

Give an example of an aprotic nonpolar solvent.

<p>Aliphatic and aromatic hydrocarbons, ethers.</p> Signup and view all the answers

Define dielectric constant and its effect on conductivity.

<p>Dielectric constant is the difference in capacitance with and without an insulator. It affects conductivity of a solvent.</p> Signup and view all the answers

How does the concept of activity differ for ideal and non-ideal processes?

<p>For ideal processes, we use concentration ([conc.]), while for non-ideal processes we use activity (a).</p> Signup and view all the answers

What is the relationship between the activity coefficient (γ) and ions?

<p>The activity coefficient (γ) is specific to ions and is represented by a square bracket ([]) for concentration.</p> Signup and view all the answers

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