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luda_lava [24]
3 years ago
13

Hi, Good Morning ppl, please help me brainiest if correct

Chemistry
2 answers:
ycow [4]3 years ago
4 0

Answer:

option D

Explanation:

its a acid base reaction

when acid and base react they give salt and water

hope it helps!! please mark me brainliest..

thank you!! good day

enyata [817]3 years ago
4 0

Answer:

Ur answer is D! 100% sure!

Explanation:

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True or false the si in sih4 does not follow the octet rule because hydrogen is in an unusual oxidation stat
ExtremeBDS [4]
The statement is true. The octet rule refers to the general rule of thumb wherein atoms of main-group elements tend to bond with other atoms in such a way that each atom possesses eight electrons (octet) in their valence shell. They tend to form the same electronic configuration as the noble gases. However, there are some exceptions to this rule. One of which is silane, SiH₄. A hydrogen atom only has 1 valence electron and needs another electron to complete its energy level. This is unlike other atoms, for example, carbon which has 4 valence electrons and needs to form 4 covalent bonds to fill its energy levels. Thus, 4 hydrogen atoms need only 4 more electrons. This is given by the silicon atom which has 4 valence electrons. Therefore, when a silicon atom is bonded to 4 hydrogen atoms, the resulting molecule, SiH₄, is a stable one.
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3 years ago
In which of these samples do atoms have the greatest kinetic energy
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Answer is: atoms have the greatest kinetic energy in liquid iron (2,000°C).

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7 0
3 years ago
Select the true statements about hydrocarbons.
daser333 [38]

Answer:

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b. Hydrocarbons are hydrophobic.

d. Hydrocarbons are insoluble in water.

Explanation:

As we know that the hydrocarbons is a mix of carbon and hydrogen. In this the availability of the electronegative atom is not there that shows there is no bonding of the hydrogen plus it is dissolved. Also, the hydrocarbons is considered to be a non-polar but as compared to the water, water is a polar

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The outer region of an atom contains the electrons and the electrons are negatively charged.

As per given options, the statement which is the most of the mass of the atom comes from the electron cloud is incorrect statement because the most of the mass comes from the nucleus in which protons and neutrons are present.

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