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What is the Coefficient of 02 when the following equation is completed and balaced ?
C4H8O2+O2 ----->_________? |
Balance & Completed
C4H8O2+5O2 ----->4CO2+4H20 Coefficient = 5 |
What is the balanced chemical equation for the reaction that takes place between bromine and sodium iodide?
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Br2+2NaI--->I2+2NaBr
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2 compounds always means its a ....
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Double replacement
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A catalyst is
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Not used up in a reaction
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Which of the following statement is not true about what happens in all chemical reactions?
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New atoms are formed as products
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What does (aq) mean ?
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Dissolved in water
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A chemical equation that does not indicate relative amounts of reactants and products
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Skeleton equation
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A starting substance in a chemical reaction
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Reactant
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An equation in which each side has the same number of atoms of each element
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Balanced equations
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A concise representation of a chemical reaction
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Chemical equation
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A new substance formed in a chemical reaction
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Product
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A reaction in which the atoms of one element replace the atoms of a second element in a compound
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Single replacement
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A reaction in which a single compound is broken down into simpler substances
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Decomposition
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A reaction in which oxygen reacts with another substance, often producing heat or light
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Combustion
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A list of metals in order of decreasing reactivity
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Activity series of metals
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