The energy required to start a reaction is called the activation energy. True False
The energy required to start a reaction is called the activation energy. TRUE.
Question
Updated 2/11/2015 2:45:41 PM
Rating
3
The energy required to start a reaction is called the activation energy. TRUE.

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Ionic bonds result from high electronegativity differences. True False
Question
Updated 6/16/2016 3:28:47 PM
Ionic bonds result from high electronegativity differences. TRUE.

Confirmed by Andrew. [6/16/2016 5:56:26 PM]
Use the discriminant to describe the roots of each equation. Then select the best description. x^2 - 4x + 4 = 0
Question
Updated 2/5/2015 6:49:51 PM
Use the discriminant to describe the roots of each equation. x^2 - 4x + 4 = 0 There is one solution for this equation .
discriminant = (-4)^2 - 4*4*1 = 16 - 16 = 0
Confirmed by jeifunk [2/6/2015 6:24:02 AM]
The unsaturated hydrocarbons will react readily with other elements or compounds. True False
Weegy: The unsaturated hydrocarbons will react readily with other elements or compounds. TRUE. (More)
Question
Updated 10/2/2016 2:12:02 PM
Balance this equation. If a coefficient of "1" is required, choose "blank" for that box. C2H4 + O2 CO2 + H2O
Question
Updated 2/15/2015 8:16:48 AM
Balanced equation: C2H4 + 3 O2 = 2 CO2 + 2 H2O
Confirmed by jeifunk [2/15/2015 8:19:39 AM]
The hydrocarbon C2H4 is a member of the series.
Question
Updated 2/10/2018 9:40:45 AM
The hydrocarbon C2H4 is a member of the Alkene series.

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