Solutions
Ochem 1
Ochem 2
Redox
Potpourri
100

How many moles of CaCO3 are there in a 3.05g sample?

What is 0.0305mol?

100

Name this compound.


What is propyne?

100

This process takes longer/larger hydrocarbon compounds and breaks them into multiple smaller compounds.

What is cracking?

100

Balance the following half-reaction:

Cl2 --> 2Cl-

What is Cl2 + 2e- --> 2Cl-

100

State if the reaction between tin solution and a piece of cadmium is spontaneous or non-spontaneous. 

What is a spontaneous reaction?

200

A hair product requires you to combine 20.0mL of hydrogen peroxide with enough water to produce a solution with a total volume of 120.0mL. Determine the percent by volume concentration of the solution.


What is 16.7%?

200

Draw the repeating polymer unit for Vinyl chloride.



200

Draw 2,5-dimethyl-3-hexyne in a line diagram.


200

Identify the oxidizing agent and reducing agent in this reaction.

AgNO3 + Cu --> Cu(NO3)2 + Ag

Oxidizing agent: Ag+(aq)

Reducing agent: Cu(s)

200

This process takes crude oil and heats it up to separate out the hydrocarbons by size. 

What is fractional distillation?

300

In a chemical analysis of 500mL of carbonated water, 0.36g of carbon dioxide was measured. What is the concentration of carbon dioxide in parts per million?

What is 720ppm?

300

Draw 4-ethyl-2,3-dimethylheptane.


300

Name the following compound: 


What is 2-ethyl-1-pentene?

300

State if the reaction between Hg(l) and Chromium solution is spontaneous or non-spontaneous.

What is a non-spontaneous reaction?

300

You are conducting an experiment that requires salt water. You dissolve 0.435 mol of NaCl in 200mL of water. What is the concentration?

What is 2.18mol/L?

400

If 5.00 mol/L NaClO3(aq) is used to make 50.0 mL of a 3.75 mol/L solution, find the volume of the original solution. 

What is 37.5mL? 

400

Balance the combustion reaction for 1-butene. How many moles of CO2 are produced per mole of 1-butene?

C4H8 + 6O2 --> 4CO2 + 4H2O

400

Name this structure: 


What is 4-ethyl-3-methyl-2-hexene?

400

Label the reactions occurring at each electrode in this plating apparatus. (Pt is Platinum and it forms a 2+ ion)


Pt electrode: Pt(s) --> Pt2+(aq) + 2e-

Iron key: Pt2+(aq) + 2e- --> Pt(s)

400

This is the number of protons, neutrons, and electrons in Li+

What are 3 protons, 4 neutrons, and 2 electrons?

500

How many liters of 4 M solution can be made using 100 grams of lithium bromide?

What is 0.3L.

500

Name this structure: 


What is 3-ethyl-4,5,6-trimethyloctane.

500

Name this structure:


What is 2,2,6-trimethylheptyne?

500

Identify the reduction and oxidation half-reactions in the following cell:


Reduction: Ag+(aq) + e- --> Ag(s)

Oxidation: Mg(s) + 2e- --> Mg2+(aq)

500

Draw the Bohr and Lewis diagrams for Mg.

     

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