✰equations 1✰
A+X = AX
What is the equation for synthesis reaction ?
A + BX = AX + B
What is the general equation for single displacement reactions ?
Substances are broken down
What is decomposition reaction ?
Substances are combined
What is synthesis reaction ?
What type of reaction is roasting a marshmellow ?
Combustion
AX + BY = AY + BX
What is the equation for double displacement reactions ?
AX = A + X
What is the equation for decomposition ?
Two or more substances combine to form a new compound
What happens in synthesis reactions ?
The ions of two compounds exchange places in an aqueous solution to form two new compounds
What happens during double placement reactions ?
Precipitation reactions
What type of reaction are Double displacement and single displacement reactions ?
Complete the following word equation, and write and balance the formula equation :
calcium (Ca) + oxygen (O2) =
= calcium oxide
2Ca + O2 = 2CaO
Provide the balanced chemical reaction for the following decomposition reaction :
magnesium carbonate = magnesium oxide + carbon dioxide
MgCO3 = MgO + CO2
A single compound undergoes a reaction that produces two or more simpler substances
What happens during decomposition reactions ?
A substance reacts with oxygen, releasing a large amount of energy in the form of light and heat
What is combustion reaction ?
Water Vapor
What does the combustion reaction of hydrogen produce ?
Complete the following reaction and balance :
Br2 + 2KI =
= 2KBr + I2
Predict and balance the following combustion reaction :
ethane (C2H6) + oxygen =
= carbon dioxide and water
2C2H6 + 7O2 = 4CO2 + 6H2O
True or False : combustion reactions must include oxygen as one of the reactants
True
One element replaces a similar element in a compound
What happens in single displacement reactions ?
What is an activity series ?
Predict and balance the following equation :
methane (CH4) + oxygen =
* what type of reaction is this ?
CH4 + 2O2 = CO2 + H2O
combustion reaction
Complete the following reaction and balance :
2HNO3 + Ca (OH)2 =
* is this an example of single displacement or double displacement ?
= 2H (OH2) + 2Ca (NO3)
double displacement
true
Name 2 types of single displacement reactions
ANSWER VARIES :
Displacement of a metal in a compound by another metal
Displacement of hydrogen in water by a metal
Displacement of hydrogen in an acid by a metal
Displacement of halogens
Decomposition of binary compounds
What is the simplest kind of decomposition reaction