Naming and Formulas
Stoichiometry and Moles
Bond Energies and Calorimetry
Types of Reactions & Acids/Bases
Miscellaneous Stuff (Questions about whatever I was think about at the time)
100
This is the name of LiNH2.
What is lithium amide?
100
This is the standard scientific unit for measuring large quantities of very small entities such as atoms, molecules, or other specified particles.
What is a mole?
100
This is the lewis structure of C3H8.
100
This is the measure of acidity in a solution.
What is pH?
100
This is the scientist who discovered the law of gravity.
Who is Isaac Newton?
200
This is the formula for manganese (II) nitrate.
What is Mn(NO3)2?
200
This is the ratio between the amounts in moles of any two compounds involved in a balanced chemical reaction.
What is a mole ratio?
200
This is the lewis structure of C2H2O.
200
This is the pH of 0.05 M HCl.
What is a pH of 1.30?
200
This is the distance from the sun and the earth.
What is 93.875 million miles?
300
This the formula for heptasulfur nonahydride.
What is S7H9?
300
H3PO4 + Mg(OH)2 ---> Mg3(PO4)2 + H2O
This is the amount of grams of magnesium phosphate that can produced from 5.25 x 1024 molecules of magnesium hydroxide.
What is 764.16 grams of Mg3(PO4)2?
300
How many joules of heat energy are released when a 50 gram object of iron cools from 200 celsius to 30 celsius. The specific heat of iron is 0.451 J/gC.
What is -3833.5 J of heat energy?
300
This is the molarity of 500 grams of BaCl2 in 14,000 mL of grams.
What is a 0.17 M concentration of BaCl2?
300
This is the greatest spy of all time.
Who is James Bond?
400
Write the following as a sentence.
SnS2 (aq) + 4 NaOH (aq) --> Sn(OH)4 (aq) + 2 Na2S (s)
What is:
Aqueous tin (IV) sulfide reacts with four aqueous sodium hydroxides to create aqueous tin (IV) hydroxide and two solid sodium sulfides?
400
A scientist performs an experiment and creates 1000 grams of H2O. Using the reaction 2 H2 + O2 --> 2 H2O. The scientist used 150 grams of Hydrogen and excess oxygen in the experiment. This is the percent error of the experiment.
What is a percent error of 25.27%?
400
What is the specific heat of an object that is 1,000 grams and absorbs 25,000 J when heated from 25 C to 300 C?
What is a specific heat of 0.09 J/gC?
400
Identify the type of reaction:
KOH + HBr --> KBr + H2O
What is a double replacement reaction?
400
Who is credited with the invention of the telephone?
Who is Alexander Graham Bell?
500
Determine the chemical equation between solid aluminum and aqueous lithium nitrate.
What is No Reaction?
500
A researcher uses 28 grams of CH4 and 100 grams of O2 in a combustion experiment. This is the amount of carbon dioxide that was produced.
What is 68.77 grams of CO2?
500
70 grams of water is allowed to cool from 150 C to 40 C. The specific heat of water is 4.18 J/gC, the specific heat of ice is 2.09 J/gC, and the specific heat of steam is 2.03 J/gC. The heat of fusion of water is 334 J/g and the heat of vaporization is 2260 J/g. This is the enthalpy change.
What is -182,861 J?
500
This is the pH of 80 grams of Mg(OH)2 mixed with 1000 cL.
What is a pH of 13.14?
500
This is the first woman to win the nobel prize and the reason that she won the nobel prize.
Who is Marie Curie for the discovery of radioactivity?