resources c 2 flashcards pp.135-137
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Resources C 2 Flashcards pp.135-137. These flash cards require a Periodic Table and a calculator. Using this equation: 3H 2 + N 2 2NH 3 How many moles of H 2 are needed to completely react with 2 moles of N 2 ?. 6 moles of H 2. - PowerPoint PPT PresentationTRANSCRIPT
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Resources C 2 Flashcardspp.135-137
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These flash cards require a Periodic Table and a
calculator.
![Page 3: Resources C 2 Flashcards pp.135-137](https://reader035.vdocument.in/reader035/viewer/2022070403/568139c4550346895da16a7c/html5/thumbnails/3.jpg)
Using this equation:3H2 + N2 2NH3
How many moles of H2 are needed to completely react with 2 moles of N2?
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6 moles of H2
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Using this equation:3H2 + N2 2NH3
What would be the mass (in grams) of 2 moles of N2?
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56 g of N2
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What is the molar mass for:
Na2S
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78g1 mole
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What is the molar mass for:
Mg(OH)2
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58g1mole
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How many grams of carbon are in one mole?
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12 grams
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How many atoms are in one mole of boron, B?
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6.02 x 1023 atoms
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How many moles of NH3 can be produced from 6 moles of N2?
N2 + 3H2 2NH3
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12 moles NH3
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If we need 631 g of sucrose, C12H22O11, how many moles would that be?
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631 g x 1 mole = 1.84 moles1 342g C12H22O11
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If we need 3.0 moles of sand, SiO2 how many grams would we need to measure out?
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3.0 mole x 60g SiO2 = 1 1 mole
180g SiO2
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How many moles of H2 will completely react with 4 moles of O2 ?
2H2 + O2 2H2O
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8 moles H2