Chemistry 100 Midsemester Review

Every time I say a chemistry joke, there's no reaction

100

In this type of chemical reaction a substance is burned; heat and light are given off.

What is combustion?

200

The following reaction is called this.

A --> A⁺ + e^-

What is oxidation?

300

The following reaction is an example of this type.

AgNO₃ + Cu⁺ --> CuNO₃ + Ag

What is an single displacement reaction?

OR 

What is a redox reaction?

400

These are the expected products of burning alcohol, C₂H₆O.

What is CO₂ and H₂O?

500

DOUBLE JEOPARDY!

These are the products when HCl(aq) and NaOH(aq) react via a double displacement reaction.

What are NaCl and H₂O?

You gotta look at it from another angle

100

The bond angle in any diatomic molecule/ion is this.

What is 180 degrees?

200

The NH₄⁺ ion would have this bond angle.

What is 109.5 degrees?

300

The ammonia molecule has this geometric shape.

What is trigonal pyramidal?

400

The geometric shape of a water molecule is this.

What is bent (or V-shape)?

500

The bond angle in an O₃ molecule would be this value.

What is less than 120 degrees?

It's like we're on opposite sides

100

A molecule with an imbalance of electron density is called this.

What is "polar"?

200

The most electronegative element is this.

What is fluorine?

300

DOUBLE JEOPARDY!

The least electronegative element is this.

What is cesium (or Francium)?

400

CO₂'s overall polarity can be classified as this.

What is nonpolar (covalent)?

500

This type of bond is the most polar type of all.

What are ionic bonds?

Gotta find the right balance

100

In the reaction ? CO + ? O₂ --> ? CO₂ the coefficient that goes with CO₂ is this.

What is 2?

200

We must balance chemical reactions because we have to adhere to this law.

What is the law of conservation of matter?

300

In the upper atmosphere, dinitrogen tetroxide decomposes to nitrogen dioxide. How many moles of nitrogen dioxide can be formed from 1 mole of dinitrogen tetroxide?

What are 2 moles?

400

For the following reaction, 

N₂ + 3H₂ --> 2 NH₃

it could best be classified as this type.

What is synthesis?

500

DOUBLE JEOPARDY!!!! In the combustion of glucose (C₆H₁₂O₆), this is the SUM of all the coefficients of the balanced chemical equation is...

(A "blank" coefficient is assigned a value of 1)1

A+2B--3C    (answer = 6)

What is 19?

The name game

100

The chemical name for NaHCO₃, otherwise known as baking soda is

What is sodium bicarbonate?

OR

What is sodium hydrogen carbonate?

200

The correct chemical name for ScN is...

What is scandium nitride?

300

Titanium(IV) oxide has this chemical formula.

What is TiO₂?

400

Rounded to the nearest whole number, the molar mass of calcium carbonate is...

What is 100. g/mol?

500

Rounded to the nearest whole number, aluminum sulfate has this molar mass.

What is 342 g/mol?

Let's stick together

100

DOUBLE JEOPARDY!

This property influences boiling point less than IMFs.

What is Molar Mass?

200

A type of IMF associated with nonpolar substances.

What are dispersion forces?

300

This IMF holds substances like NaCl together.

What are ionic forces?

400

What is hydrogen bonding?

This interaction is responsible for holding together the base pairs in a DNA molecule.

500

DOUBLE JEOPARDY!

These are three properties that are primarily dependent on intermolecular forces.

What are solubility, melting point, and boiling point?

(Other answers may be acceptable)

LEO the lion goes "GER"

100

The oxidation number of substances in their elemental form.

What is zero?

200

The only type of chemical reaction that cannot be a redox process.

What are double displacement reactions?

300

For the following process, this element is neither oxidized or reduced.

CH_4+2O_2->CO_2+2H_2O

What is hydrogen?

400

For the following process, this is the oxidizing agent.

4NH_3+5O_2->4NO+6H_2O

What is NH₃?

500

The oxidation number of carbon in the carbonate ion

What is 4+?