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nadya68 [22]
3 years ago
10

What is a covenant bond

Chemistry
1 answer:
kramer3 years ago
4 0

Answer:

Explanation:

I think you meant a covalent bond, a bond between two non-metal atoms. This image can explain better than I can.

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Determine which intermolecular forces are the dominant (strongest) forces for a pure sample of each of the following molecules b
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Dispersion forces- Xe, CH4

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Hydrogen Bonding-HBr, NH3, CH3COOH

Explanation:

Gases and nonpolar molecules posses only dispersion forces. Polar covalent compounds posses dipole- dipole forces. When hydrogen is bonded to a highly electronegative atom, hydrogen bonding results. These account for the arrangement of answers above.

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For this question, the "entropy term" refers to "-TΔS". Addition reactions are generally favorable at low temperatures because _
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\rm H_2C\text{=}CH_2\; (g) + H_2\; (g) \stackrel{\text{Ni}^\ast}{\to} H_3C\text{-}CH_3\; (g).

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\Delta G = \Delta H + (\underbrace{- T \, \Delta S}_{\text{entropy}\atop \text{term}}).

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