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g100num [7]
3 years ago
6

Covalent bonds form between hydrogen and oxygen atoms in a water molecule as a result of the:________.

Chemistry
1 answer:
Oliga [24]3 years ago
5 0

Answer:

D

Explanation:

A covalent bond is said to be formed when two electrons are shared between two bonding atoms as in the formation of the water molecule.

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What is the volume of 1.4 mol of nitrogen gas at STP?
zaharov [31]

Answer:

31.36 Liters

Explanation:

1 mole is equal to 22.4 liters at STP so you can use the equation

1.4 moles * 22.4 liters

to find the volume.

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What cellular activities could thiG be a start of?
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7 0
3 years ago
How did Ernest Rutherford's experiment relate to J.J. Thomson's work?
olasank [31]

Answer:

D

Explanation:

I am sorry if wrong

4 0
3 years ago
How many moles of Calcium Oxide are needed to produce 4 moles of Calcium Hydroxide?
Tpy6a [65]

Taking into account the reaction stoichiometry, 2 moles of CaO are required to react with 2 moles of Ca(OH)₂.

<h3>Reaction stoichiometry</h3>

In first place, the balanced reaction is:

CaO + H₂O → Ca(OH)₂

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:

  • CaO: 1 mole
  • H₂O: 1 mole
  • Ca(OH)₂:  1 mole

<h3>Moles of CaO required</h3>

The following rule of three can be applied: If by stoichiometric reaction 1 mole of Ca(OH)₂ is produced by 1 mole of CaO, 2 moles of Ca(OH)₂ are produced by how many moles of CaO?

moles of CaO=\frac{2 moles of Ca(OH)_{2}x1 mol of CaO }{1 mole of Ca(OH)_{2}}

moles of CaO= 2 moles

Finally, 2 moles of CaO are required to react with 2 moles of Ca(OH)₂.

Learn more about the reaction stoichiometry:

brainly.com/question/24741074

brainly.com/question/24653699

#SPJ1

5 0
2 years ago
Values for the molar mass of nitrogen, oxygen, and nitrogen dioxide
CaHeK987 [17]

Answer:

n=N/Na

n =  \frac{8.23 \times {10}^{22} }{6.02  \times {10}^{23} }  = 0.1367 \: mol

answer: 0.14 mol

Explanation:

5 0
3 years ago
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