Mole Problems
The Heat is On
Reaction Time
Balancing Act
Feeling Lucky?
100
Avogadro's Number
What is 6.02E23?
100
The direction of heat flow
What moves from high temperature to low temperature?
100
Only 1 product is formed.
How many products are in a synthesis reaction?
100
The correct coefficients for the equation N2 + H2 → NH3
What are 1, 3, 2?
100
A reaction with a negative change in temperature.
What is an endothermic reaction?
200
2 C2H6 + 7 O2 → 4 CO2 + 6 H2O 7:4
What is the mole ratio of O2 to CO2?
200
Molecules move slower.
What happens to the speed of molecules when they are cooled?
200
A hydrocarbon (CHO) reacts with oxygen (O2) to form carbon dioxide and water.
What is a combustion reaction?
200
The correct coefficients for the equation: AlF3 + Na → Al + NaF
What are 1, 3, 1, 3?
200
The 7 diatomic elements
What are H, N, O, F, Cl, Br, I?
300
2 C2H6 + 7 O2 → 4 CO2 + 6 H2O The number of moles of CO2 formed when 6 moles C2H6 are used.
What is 12?
300
The melting of ice is an example of the process.
What is an example of an endothermic process?
300
PbCl2 and H2 are formed.
What are the products when lead (Pb) reacts with HCl?
300
The mass after the reaction of 35 g Cl2 with 78 g K. Cl2 + 2 K → 2 KCl
What is 113 g?
300
The type of reaction used to make the activity series.
What is single replacement reaction?
400
2 C2H6 + 7 O2 → 4 CO2 + 6 H2O The mass of H2O formed from 3 moles C2H6.
What is 162.18 g?
400
In an energy graph, the products are at lower energy than the reactants.
What is an exothermic reaction?
400
H2O2 → O2 + H2O is an example of this type.
What is an example of decomposition reaction?
400
The correct coefficient for the reaction: AlCl3 + Br2 → AlBr3 + Cl2
What are 2, 3, 2, 3?
400
Because magnesium is above hydrogen on the activity series Mg + HBr→
Why will magnesium replace H in the reaction?
500
2 C2H6 + 7 O2 → 4 CO2 + 6 H2O The mass of O2 consumed to produce 100 g CO2.
What is 127g
500
The Law of Conservation of Energy
What states energy cannot be created or destroyed but changes form?
500
Iron (II) sulfide and Copper (I) chloride are the products of the reaction.
What are the products when FeCl2 and Cu2S react?
500
The correct coefficients for the reaction: C4H10 + O2 → CO2 + H2O
What are 2, 13, 8, 10?
500
The number of grams of water formed from 8.2 g C2H6. 2 C2H6 + 7 O2 → 4 CO2 + 6 H2O
What is 14.7 g H20?
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