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andre [41]
3 years ago
7

What is the difference between covalent bonding and electrovalent bonding​

Chemistry
1 answer:
Rudiy273 years ago
5 0

Answer:

1 ) Electrovalent compounds are formed by the complete transfer of electrons while covalent compounds are formed by sharing of electrons between 2 atoms.

2) Electrovalent compounds are more soluble in polar solvents like water while covalent compounds are more soluble in non-polar solvents like methane.

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The only way animals can get energy is by<br> eating what three nutrients?
kogti [31]

Most animals obtain their nutrients by the consumption of other organisms. At the cellular level, the biological molecules necessary for animal function are amino acids, lipid molecules, nucleotides, and simple sugars. However, the food consumed consists of protein, fat, and complex carbohydrates.

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3 years ago
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What is the sequence of energy transformations that occur in a nuclear reactor?
GuDViN [60]

Answer:

option (B) is correct

Explanation:

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This nuclear energy is emitted in the form of heat energy.

This heat energy is used to rotate the turbines, that means it is converted in the form of mechanical energy and then finally this mechanical energy is converted into electrical energy.

4 0
3 years ago
What is the molarity of a solution in which 0.257 moles of HNO2 is dissolved in 490ml of water?
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3 years ago
Answer #4 and #5 make sure you have proof and will give brainliest
sweet-ann [11.9K]

Answer:

B,C

Explanation:

7 0
3 years ago
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Gallium has two naturally occurring isotopes: 69ga with a mass of 68.9256 amu and a natural abundance of 60.11% and 71ga. use th
Nataly [62]

There are two naturally occurring isotopes of gallium:  mass of Ga-69 isotope is 68.9256 amu and its percentage abundance is 60.11%, let the mass of other isotope that is Ga-71 be X, the percentage abundance can be calculated as:

%Ga-71=100-60.11=39.89%

Atomic mass of an element is calculated by taking sum of atomic masses of its isotopes multiplied by their percentage abundance.

Thus, in this case:

Atomic mass= m(Ga-69)×%(Ga-69)+X×%(Ga-71)

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Thus,

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X=\frac{69.723 amu-41.4312 amu}{0.3989}=70.9246 amu

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7 0
3 years ago
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