The quantity of measurement that we use in all of Chemistry, for molecules, elements and other substances.
What is the mole?
What are products?
2AgI + Na2S → Ag2S + 2NaI
The ratio of silver iodide to sodium iodide.
DOUBLE POINTS: The type of Chemical reaction that this is.
What is 2:2 or 1:1?
DOUBLE POINTS: What is a double replacement reaction?The molar mass of calcium hydroxide (CaOH).
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What is 74 g/mol?
Represented by the coefficient in a balanced chemical equation.
What is the number of moles?
A formula showing the proportion of a substance in the smallest whole number ratio
What is the empirical formula?
2C6H5COOH + 15O2 = 14CO2 + 6H2O
The ratio of benzoic acid (C6H5COOH) used to carbon dioxide formed, in the most simple form possible.
What is 1 mol Benzoic acid:7 mols carbon dioxide?
The operation used to convert mass to moles.
What is division? (Mass/gram-formula mass = moles)
C5H12 + 8O2 = 5CO2 + 6H2O
The number of moles of carbon dioxide I can make if I start with 16 moles of oxygen gas.
What is 10 moles?
The number of moles in 127.6 grams of HCl (molar mass: 36.46 g/mol).
What is 3.5 moles?
Equations must be balanced so that they will obey this law.
What is the Law of Conservation of Mass/Matter?
The quantity in mass of one mole of a substance.
What is the gram-formula mass/molar mass? (they are the same thing!)
Balance: ___PCl5 + ___H2O ---> ___H3PO4 + ___HCl
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What is 1PCl5 + 4H2O ---> 1H3PO4 + 5HCl?
The gram-formula mass of Mg(HSO3)2.
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What is 186.45 g/mol?
Another name for the mole, after the scientist who studied it.
What is Avagadro's number?
A solid that forms in a solution during a chemical reaction or change.
What is a precipitate?
___CH4 + ___O2 --> ___ CO2 + ___H2O
If I want to get 5.3 moles of water, how many moles of methane (CH4) do I need?
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What is 2.65 moles of methane?
The mass of 2 mols of potassium permanganate (KMnO4).
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What is 316 grams?
The empirical formula of a compound with 15.8% carbon and 84.2% sulfur.
What is CS2?