Types of Reactions
Evidence of Reactions and Energy
Symbols and Balancing
Moles
Miscellaneous
100
A type of reaction that combines substances together and forms a larger compound
What is a synthesis reaction
100
this reaction feels cold
What is an endothermic reaction
100
the number in front of a compound used to balance an equation
What is the coefficient
100
what the coefficients in a balanced equation represent
What is mole ratio
100
If metal X is lower than metal Y in the activity series, then metal X does this with its electrons
What is retains its electrons
200
the equation AX --> A + X
What is decomposition
200
A substance that is not consumed during a reaction and speeds it up
What is catalyst
200
the symbol (aq)
What is dissolved in water
200
the mole ratio of methane to oxygen in the following equation CH4 + 2O2 --> CO2 + 2H2O
What is 1:2
200
A gas that extinguishes a flame
What is carbon dioxide
300
Group I metals react with water to produce metal hydroxides and this type of gas
What is hydrogen gas
300
A reaction that requires energy
What is an endothermic reaction
300
the coefficients for the following equation N2 + H2 --> NH3
What is 1, 3, 2
300
If 5.0 moles of sodium are consumed in a reaction of HCl, the amount of hydrogen moles produced 2Na + 2HCl --> 2NaCl + H2
What is 2.5 moles
300
Elements know for their intense reactivity with water are in this family
What is alkali metals
400
Active metals react with certain acids, such as hydrochloric acid, to yield a metal compound and this type of gas
What is hydrogen gas
400
The formation of a gas that relights a flame
What is oxygen gas
400
the chemical symbol for nitrogen gas
What is N2
400
The amount of atoms in a reaction must be conserved
What is conservation of matter
400
Write a combustion reaction for ethane, C2H6
What is 2C2H6 + 7O2 --> 4CO2 + 6H2O
500
The explanation for why iron will not replace lithium in a single replacement reaction
What is it's lower on the activity series
500
A solid substance that forms from aqueous solutions
What is a precipitate
500
Balance the equation when Aluminum oxide decomposes into aluminum and oxygen gas
What is 2Al2O3 --> 4Al + 3O2
500
the moles of CO2 produced in the decomposition of Na2CO3 into CO2 and Na2O, if 3 moles of Na2CO3 react
What is 3
500
A active metal and a halogen react to form this substance
What is a salt
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