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Name the Molecule
HOLY MOLE-LY!
Energy Transfer
Chemical Reactions
Miscellaneous
100

This molecule is potassium oxide

What is K2O?

100

Number of moles are in 6.02x1023 atoms of Mercury

What is 1 mole?

100

This is the equation to find the amount of heat energy that is transferred during a reaction

What is Q=mc(Delta)T

100

The name for the chemicals at the beginning of a chemical reaction

What are reactants?

100
The amount of time to for light from the sun to reach the earth.

What is 8 min and 20 secs?

200

Number of valence electrons on an atom of Arsenic

What is 5 valence electrons?

200
Convert 25 moles of oxygen into grams of oxygen

What is 800 grams of oxygen?

200
The number of joules of heat energy that is transferred from a 235 gram cup of water which is heated from 10 degrees Celsius to 50 degrees Celsius.  The specific heat of water is 4.18 joules/gram*Celsius.

What is 39292 joules of heat energy?

200

What type of reaction is this:

    CaF2 + Na2S --> NaF + CaS

What is a double replacement reaction?

200

The number of elements on the periodic table that are liquids in their natural state.

What are 2 elements? (Bromine and Mercury)

300

The Lewis structure of this molecule has 6 C-H bonds and 1 C-C bond

What is dicarbon hexahydride (or ethane)?
300
Number of moles found in 8 Liters

What is 0.36 moles?

300

This is reason for the high specific heat of water

What are H-bonds?

300

Balance the following equation:

___C3H8 + ____ O2 --> ____ CO2 + ____ H2O

What are the coefficients: 1, 5, 3, 4

300

It is the tallest man-made structure in the world.

What is the Burj Khalifa? (It over 160 stories high at 2,716.5 ft)

400

The formula for this compound is P2Cl7

What is diphosphorus heptachloride?

400

Number of steps necessary to convert moles of O2 into particles of H2O

What is 2 steps?

400
When the energy of the products is higher than the energy of the reactants

What is an endothermic reaction?

400

The names of the products in the following equation:

          ZnBr2 + V(NO3)3 --> Zn(NO3)2 + VBr3


What are Zinc (II) nitrate and Vanadium (III) bromide

400

The man who is credited with inventing the periodic table. 

Who is Dimitri Mendeleev?

500

This molecule is Li2S2O3

What is Lithium thiosulfate?

500
Using the equation below:

          2Fe2O3 --> 4FeO + O2

This is the number of liters of FeO that can be produced from 250 grams of Fe2O3

What is 70.13 L of FeO?

500
How many degrees would you need to cool down a cup of water, if 200 grams of water is used and the amount of heat energy lost is -2500 J.  The specific heat of water is 4.18.
What is -2.99 degrees celsius?
500
If you begin with 50 grams of Hydrogen and 150 grams of O2.  According to the following equation:


             H2 + O2 --> H2O

What is the limiting reactant? Why?

What is oxygen, because it only makes 9.3 moles of product while hydrogen makes 24.75 moles of product.

500

This is the largest island in the world and this is the country that owns the island.

What is Greenland and Denmark?