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skelet666 [1.2K]
3 years ago
10

3. A Covalent bonds form between atoms of which type of elements?

Chemistry
2 answers:
daser333 [38]3 years ago
7 0

Answer:

Atoms with high electro negativity

gladu [14]3 years ago
5 0

Answer: Nonmetallic elements

Explanation: Covalent bonding happens on two nonmetallic elements in which they exhibit sharing of valence electrons to become octet or stabe

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Shale actually forms in the part of the rock cycle called compaction.
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In the reaction of sodium and oxygen, which atom is the reducing agent?
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Sodium is the reducing agent because a reducing agent is always the donor of electrons.
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Two students are working together to build two models. Both models will represent the molecular structure of sodium bicarbonate,
vfiekz [6]

Answer:

Altogether for both models; two red jellybeans, two white jellybeans, two black jellybeans and six blue jellybeans.

<em>Note: Since no specific color was stated for oxygen atoms, the answer assigns blue colored jellybeans to represent oxygen atoms.J</em>

Explanation:

Sodium bicarbonate, NaHCO₃ is a compound composed of one atom of sodium, one atom of hydrogen, one atom of carbon and three atoms of oxygen.

Since red jellybeans represent sodium atoms, white jellybeans represent hydrogen atoms, black jellybeans represent carbon atoms and blue jellybeans represent oxygen atoms, each of the two students will require the following number of each jellybean for their model of sodium carbonate: One red jellybean, one white jellybean, one black jellybean and three blue jellybeans.

Altogether for both models; two red jellybeans, two white jellybeans, two black jellybeans and six blue jellybeans.

8 0
3 years ago
Heat of fusion (?Hfus) is used for calculations involving a phase change between solid and liquid, with no temperature change. F
Butoxors [25]

Answer:

q = 38,5 kJ

Explanation:

In its melting point, at 0°C, water is liquid. The boiling point of water is 100°C. It is possible to estimate the heat you required to raise the temperature of water from 0°C to 100°C using:

q = C×m×ΔT

Where C is specific heat of water (4,184J/g°C), m is mass of water (92,0g) and ΔT is change in temperature (100°C-0°C = 100°C)

Replacing:

q = 4,184J/g°C×92,0g×100°C

q = 38493 J, in kilojoules:

<em>q = 38,5 kJ</em>

<em></em>

I hope it helps!

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Is Tris mass spectrometry compatible?
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No, it’s impossible to have 3 masses for one object

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