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s2008m [1.1K]
3 years ago
5

Why do covalent bonds not involve the transfer of electrons

Chemistry
2 answers:
zhannawk [14.2K]3 years ago
6 0
Covalent bonds do not involve electron transfer because in covalent bonds, the electrons are shared between the atoms to form the molecule rather than being transferred to form ions as it is in the case of ionic bonds.<span />
Vikki [24]3 years ago
6 0

The correct answer was "The elements involved has similar electronegativity value", I took the test.

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Most of the water a vascular plant takes in ______. Goes back into the soil Evaporates in the process of transpiration Is used t
MatroZZZ [7]

Answer:

EVAPORATES IN THE PROCESS OF TRANSPIRATION

Explanation:

Plants takes in water from the soul via it's root system. Small amount of the water are used for growth and metabolism of the plants. Some are used in the process of photosynthesis. The bulk of the remaining are lost through transpiration. This takes place in the stomata of the plants. The stomata are numerous on the leaf surfaces and are guarded by cells which allow for opening and closing of the stomata. Transpiration helps the plants to remove CO2 produced by photosynthesis, cools the plant and also changes osmotic pressure of the plant which allows for the flow of nutrients and water from the root to the leaves, flowers, fruits.

7 0
3 years ago
Which best describes the energy conversion that happens when hydroelectric
Sliva [168]

Answer:

"A hydraulic turbine converts the energy of flowing water into mechanical energy. A hydroelectric generator converts this mechanical energy into electricity.

Explanation:

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4 0
3 years ago
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Which compounds have the empirical formula CH2O?
lara [203]

Answer:

The answer to your question is all the formulas in bold has the same empirical formula

Explanation:

Data

Empirical formula     CH₂O

Process

To solve this problem factor the subscripts of each formula and compare the result with the empirical formula given.

a) C₂H₄O₂      factor 2          2(CH₂O)

b) C₃H₆O₃      factor 3          3(CH₂O)

c) CH₂O₂        this formula can not be simplified

d) C₅H₁₀O₅      factor 5         5(CH₂O)

e) C₆H₁₂O₆      factor 6         6(CH₂O)

8 0
3 years ago
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Serjik [45]

Answer:

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Explanation:

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8 0
3 years ago
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marshall27 [118]
All of them are properties of compounds except III.

for I, compounds are chemically combined together, so to separate them, we must use chemical methods like electrolysis or applying heat. These requires large amount of energy.

For II, they're always fixed. For example, in water (H2O), the ratio of hydrogen and oxygen is always 1:8 in mass. If there's some extra added, the substance becomes mixture instead of compounds.

For IV, after you chemically combined elements or compounds together, their properties are completely different. For example, iron can be attracted to magnets, but iron II sulphide does not.
5 0
3 years ago
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