how many carbon atoms are there in methane?
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The compound methane contains one carbon bonded to four hydrogens. Ethane is another example of a simple hydrocarbon. Ethane contains two carbon atoms and four hydrogen atoms. In chemistry we use a molecular formula to show how many atoms of each element are present in a molecule.
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Methane (CH4) has a molar mass of 16g/mol . So, 32g of methane will be 2 moles of it. Know that, hydrogen has a molar mass of around 1g/mol . In methane, there are four hydrogen atoms, so the total mass of hydrogen is 4g/mol in methane, which is 14 of the mass of methane.
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(ii) Number of moles of hydrogen atoms. (iii) Number of molecules of ethane. Answer (i) There are two atoms of Carbon in each C2H6 molecules hence 1 mole of C2H6 will have 2 moles of carbon atoms.
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Molecular formulas give the kind and number of atoms of each element present in a molecular compound. In many cases, the molecular formula is the same as the empirical formula. The molecular formula of methane is CH4 and because it contains only one carbon atom, that is also its empirical formula.
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Just in case you didn't know, one elephant has one trunk and four legs, and one molecule of methane (CH4) contains one carbon atom and four hydrogen atoms. So, one mole is equal to 6.02 x 10²³ atoms (or molecules) of a substance, in the same way that 12 of anything makes up a dozen.
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1 mole of methane(CH_4) contains 5 atoms. 16g consists of 1 mole(6.023×10^23) atoms. Thus 0.16 contains 6.023×10^21 atoms.
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1 Answer. The moles of carbon dioxide produced from 100 g methane is 6 moles.
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Answer and Explanation: There are 48.176 X 1023 hydrogen atoms in 2.0 moles of CH4. This is also the equivalent of eight moles of hydrogen atoms. We can calculate the number...
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Explanation: Methane (CH4) has a molar mass of 16g/mol . So, 32g of methane will be 2 moles of it.
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Use getProperty "modelInfo" or getProperty "auxiliaryInfo" to inspect them. Methane (US: or UK: ) is a chemical compound with the chemical formula CH4 (one atom of carbon and four atoms of hydrogen). It is a group-14 hydride and the simplest alkane, and is the main constituent of natural gas.
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So we've determined the molar mass is about 16 grams per mole for methane. We then used the formula from the previous slide to determine the percent of carbon and the percent of hydrogen by mass. We see that methane is about 74% carbon.
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There are four Hydrogen atoms in one molecule of Methane (CH₄). And there are 6.022×10²³ molecules in 1 mole of CH₄.
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Each methane (CH4) molecule has 4 hydrogen atoms. 1 mole of anything has 6.022 X 10^23 molecules (Avagadro's number).
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We see that methane is about 74% carbon. And it's about 25% hydrogen. Remember, the mass of hydrogen that we used there was for four hydrogens, not for one. Because there's four hydrogens over here in the formula for methane.
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So, 64 g of methane will contain = (64 / 16) × 4 = 16 moles of Hydrogen atoms.
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In your case, a mole of methane represents a collection of methane molecules. More specifically, a mole of methane contains 6.022⋅1023 molecules of methane - this is known as Avogadro's number.
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Chemical and Physical Properties of Methane. The carbon atom central to the methane molecule has 4 valence electrons and thus needs 4 more electrons from four hydrogen atoms to complete its octet. The hydrogen atoms have a 109 degree bond angle giving the molecule a tetrahedral geometry .