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Makovka662 [10]
3 years ago
11

What is the weight, on Earth, of a book with a mass of 16 kg? 16N 65N 113N 147N

Chemistry
1 answer:
AnnyKZ [126]3 years ago
6 0
The weight on earth of a book with a mass of 16 kg will be 65N
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Within a flower cell that has 26 chromosomes, how many chromosomes would a cell that is created within the stem of a flower as i
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A neutral atom with the electron configuration 2-8-6 would most likely form a bond with an atom having the configuration
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Answer:

The configuration of the atom would be 2-8-2.

Explanation:

Any atom of an element combines with other element to complete its octet and become stable.

The electron configuration of the given atom is 2-8-6. That means the atom has 6 electrons in its outermost shell. To become stable the atom should have 8 electrons in its outermost shell. The given atom has 6 electrons so it either lose 6 electrons or gain 2 electrons to complete its octet.

But we know the atom having 5,6,7 electrons in its outermost shell they do not lose, they gain either 3 or 2 or 1 electrons to complete its octet.

So we say that atom with the electron configuration 2-8-6 bond with the atom having electron configuration 2-8-2.

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3 years ago
Draw a diagram (develop a model) that shows what happens when warm water mixes with cold water in the ocean. Use your model to e
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Ocean currents determine the various directions of wind movement.

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2 years ago
Four molecules have carbon as the central atom and hydrogen atoms around it. Which shape would give rise to a polar molecule?
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7 0
3 years ago
Be sure to answer all parts.
sergey [27]

The  moles of O2 are needed to react completely with 1.00 mol of C₂H₂ is 5 mol , 0.23  moles of C₂H₂ are needed to form 0.46 mol of CO₂ .

<h3>What is a Balanced Reaction ?</h3>

A balanced reaction is a reaction in which the number of atoms present in the reactants is equal to the number of atoms in the products.

It is given in the question that

the combustion of Acetylene is given by

2 H―C≡C―H + 5 O₂ → 4 CO₂ + 2 H₂O

Given moles of Acetylene = 1 mol

Moles of oxygen needed = 5 mol

as the mole fraction of Acetylene to Oxygen is 1 :5

The mole of Acetylene needed to form 0.46 mol of CO₂ is ?

mole fraction of CO₂ to Acetylene is 4:2

Therefore 0.23 moles of CO₂ is required.

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5 0
2 years ago
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