jellybooooo7446
28.02.2020 •
Chemistry
What is the balanced equation for the reaction that occurs when methanoll. CH3OH is burned in air O2 and produces carbon dioxide and water
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Ответ:
2 CH3OH + 3 O2 => 2 CO2 + 4 H2O
Explanation: The combustion reaction is now balanced.
C has 2 atoms both sides.
H has 8 atoms on both sides
O has also 8 atoms both in the reactant and product side.
Ответ:
The correct answer is "medium".
Explanation:
The expression for the relation between the speed of the wave and frequency is as follows;
Here, v is the speed of the wave, f is the frequency of the wave and is the wavelength of the wave.
There is an inverse relationship between the frequency and wavelength. If the frequency of the wave increases then the wavelength of the wave decreases while the speed of the wave remains constant.
The properties of the wave can be described by amplitude, wavelength and frequency but the speed of the wave depends on the medium through which it is moving. The medium may be denser or rarer according to it the speed of the wave will vary.
Therefore, in the waves lab, you changed medium to see how it would affect wave speed.