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Magnesium reacts with oxygen gas in air to produce magnesium oxide. The word equatin of the reaction is written as
an exothermic reaction.
New substances are formed.
30 g
Carbon dioxide and water vapor.
Bending an iron rod.
Magnesium + oxygen gas --- Magnesium oxide
acid + base ---- salt + water
Rusting of iron.
An example of physical change is
an exothermic reaction.
New substances are formed.
30 g
Carbon dioxide and water vapor.
Bending an iron rod.
Magnesium + oxygen gas --- Magnesium oxide
acid + base ---- salt + water
Rusting of iron.
If the mass of reactants = 30 g, then the mass of products is equal to
an exothermic reaction.
New substances are formed.
30 g
Carbon dioxide and water vapor.
Bending an iron rod.
Magnesium + oxygen gas --- Magnesium oxide
acid + base ---- salt + water
Rusting of iron.
An example of chemical change is
an exothermic reaction.
New substances are formed.
30 g
Carbon dioxide and water vapor.
Bending an iron rod.
Magnesium + oxygen gas --- Magnesium oxide
acid + base ---- salt + water
Rusting of iron.
Acid reacts with base to produce salt and water. The word equation of the reaction is written as:
an exothermic reaction.
New substances are formed.
30 g
Carbon dioxide and water vapor.
Bending an iron rod.
Magnesium + oxygen gas --- Magnesium oxide
acid + base ---- salt + water
Rusting of iron.
The combustion of butane gas produces carbon dioxide and water vapor. The products of the reaction are:
an exothermic reaction.
New substances are formed.
30 g
Carbon dioxide and water vapor.
Bending an iron rod.
Magnesium + oxygen gas --- Magnesium oxide
acid + base ---- salt + water
Rusting of iron.
During a chemical change,
an exothermic reaction.
New substances are formed.
30 g
Carbon dioxide and water vapor.
Bending an iron rod.
Magnesium + oxygen gas --- Magnesium oxide
acid + base ---- salt + water
Rusting of iron.
The combustion of butane gas is
an exothermic reaction.
New substances are formed.
30 g
Carbon dioxide and water vapor.
Bending an iron rod.
Magnesium + oxygen gas --- Magnesium oxide
acid + base ---- salt + water
Rusting of iron.
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