875620
Beschreibung
Quiz von Megan McLean, aktualisiert more than 1 year ago
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Erstellt von Megan McLean
vor fast 10 Jahre
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Frage 1
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The relative atomic mass can be defined by......
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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
Frage 2
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Number of moles.....
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m/mr
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mr/m
Frage 3
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Ideal gas equation is.....
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PV/T
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PV=nRT
Frage 4
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How do you calculate the molecular formula?
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Relative mass of empirical formula ----------------------------------------------------- Relative molecular mass
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Relative molecular mass ------------------------------------------------------ Relative mass of empirical formula
Frage 5
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Concentration = ...........
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Volume in dm --------------------------- Number of moles
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Number of moles ---------------------------- Volume in dm
Frage 6
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Number of moles in solution....
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M x 1000 ------------- V
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M x V ---------- 1000
Frage 7
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Atom Economy (%)......
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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
Frage 8
Frage
Yield of a chemical reaction......
Antworten
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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
Frage 9
Frage
Yield of a chemical reaction......
Antworten
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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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