875620
Descrição
Criado por Megan McLean
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Criado por Megan McLean
mais de 12 anos atrás
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|
Questão 1
Questão
The relative atomic mass can be defined by......
Responda
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Average mass of one atom of an element x 12 ------------------------------------------------------------------- Mass of an atom of C12
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Average mass of one atom of an element x 12 ------------------------------------------------------------------- Mass of 1/12th of an atom of C12
Questão 2
Questão
Number of moles.....
Responda
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m/mr
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mr/m
Questão 3
Questão
Ideal gas equation is.....
Responda
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PV/T
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PV=nRT
Questão 4
Questão
How do you calculate the molecular formula?
Responda
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Relative mass of empirical formula ----------------------------------------------------- Relative molecular mass
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Relative molecular mass ------------------------------------------------------ Relative mass of empirical formula
Questão 5
Questão
Concentration = ...........
Responda
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Volume in dm --------------------------- Number of moles
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Number of moles ---------------------------- Volume in dm
Questão 6
Questão
Number of moles in solution....
Responda
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M x 1000 ------------- V
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M x V ---------- 1000
Questão 7
Questão
Atom Economy (%)......
Responda
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Mass of desired product ------------------------------------ x1000 Total mass of product
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Mass of desired product ---------------------------------- x100 Total mass of product
Questão 8
Questão
Yield of a chemical reaction......
Responda
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The number of moles or grams of a specified product -------------------------------------------------------------------------------- x 100 Theoretical maximum number of moles or grams of the product
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The number of moles or grams of a specified product -------------------------------------------------------------------------------- x 1000 Theoretical maximum number of moles or grams of the product
Questão 9
Questão
Yield of a chemical reaction......
Responda
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The number of moles or grams of a specified product -------------------------------------------------------------------------------- x 100 Theoretical maximum number of moles or grams of the product
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The number of moles or grams of a specified product -------------------------------------------------------------------------------- x 1000 Theoretical maximum number of moles or grams of the product
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