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mildred3645
24.02.2020 •
Chemistry
20cm³ of methane gas was burnt in 20cm³ of oxygen. write a balanced chemical equation for the reaction and determine which of the gases were in excess
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Ответ:
CH4 +O2 => CO2 + 2 H2O
None were in excess
Explanation:
Equation for the reaction is,
CH4 + O2 =>CO2 +2 H2O
No of moles of CH4 = (20 /1000)/24 =0.02 /24 = 0.00083
No of moles of O2 =20 /24000 = 0.0083
CH4 : O2 = 1:1
THEREFORE
None of the gases were in excess.
Ответ:
Most likely what will happen when two atoms of this element move toward each other is that a double covalent bond will form. This forms once pairs of electrons are shared between atoms.
Explanation: received full credit on the quiz