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melomori [17]
3 years ago
10

Please help ————//-//

Chemistry
2 answers:
Rashid [163]3 years ago
8 0
It’s B Since all soils contain weathered rock!
grandymaker [24]3 years ago
6 0
Probably b because soil can’t be the exact same and so that cancels out a and d
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What is the difference between weight and mass?
Marina86 [1]

Key differences between Mass and Weight

The weight may vary, but the mass is constant.

The mass is measured in kilograms (kg), while the weight is measured in newtons (N).

Mass refers to the amount of matter an object has, but the weight refers to the force of gravity acting on an object.

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A diatomic molecule shares three pairs of electrons. What type of bond is present in the molecule? A single covalent bond becaus
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<h3><u>Answer</u>;</h3>

A triple covalent bond because each atom requires three more electrons to complete its octet.

<h3><u>Explanation</u>;</h3>
  • A triple covalent bond is a covalent bond formed by atoms that share three pairs of electrons.
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3 years ago
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How many grams of sodium hydroxide, NaOH, are needed to make 355.0 mL of a 4.75M solution? The molar mass of NaOH is 40.00 g/mol
Katen [24]

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Explanation:

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Using the chemical formula of the compound and the periodic table of elements, we can add up the atomic weights and calculate molecular weight of the substance.

If the formula used in calculating molar mass is the molecular formula, the formula weight computed is the molecular weight. The percentage by weight of any atom or group of atoms in a compound can be computed by dividing the total weight of the atom (or group of atoms) in the formula by the formula weight and multiplying by 100.

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lidiya [134]

Answer:

4. all the above

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It's all of the above because Thermal energy has all three. An example is like a pot of water on the stove boiling.  Radiation is coming off of the eye of the stove. Conduction occurs when heat transfers from hot to cold ( like the handle of the pot). Convection occurs in the boiling of the water by rotating causing the heat to rise.

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