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4 years ago

What type of elements generally bond covalently, and how do they satisfy the octet rule?

Chemistry

1 answer:

Alex Ar [27]4 years ago

3 0

Answer:

Covalent, or, elements on the right side of the ladder (on the periodic table). Covalent compounds satisfy the octet rule by sharing electrons.

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Mr.Davies has requested that you wait for 10 more minutes is that informal or formal

LUCKY_DIMON [66]

Answer:

Formal

Explanation:

7 0

4 years ago

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A chemist adds of a sodium thiosulfate solution to a reaction flask. Calculate the mass in grams of sodium thiosulfate the chemi

schepotkina [342]

This is a incomplete question.The complete question is:

A chemist adds 180.0 ml of a 1.77 mol/L of sodium thiosulfate solution to a reaction flask. Calculate the mass in grams of sodium thiosulfate the chemist has added to the flask. Be sure your answer has the correct number of significant digits.

Answer: 50.4 g

Explanation:

To calculate the number of moles for given molarity, we use the equation:

$\text{Moles of solute}={\text{Molarity of the solution}}\times{\text{Volume of solution (in L)}}$ .....(1)

Molarity of sodium thiosulfate solution = 1.77 M

Volume of sodium thiosulfate solution = 180.0 mL = 0.1800 L

Putting values in equation 1, we get:

$\text{Moles of sodium thiosulfate}={1.77}\times{0.1800}=0.319moles$

Mass of sodium thiosulfate = $moles\times {\text {Molar mass}}=0.319moles\times 158.11g/mol=50.4g$

Thus 50.4 g of sodium thiosulfate the chemist has added to the flask.

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3 years ago

The means of X ? ⊙_⊙⊙_⊙⊙_⊙

julsineya [31]

Answer:

x means unknown it is an unknown value.

For example if you have 2 x you have 2 u know values.

Explanation:

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3 years ago

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Benefits of characteris<br>ing chemicals

yulyashka [42]

Answer:

There are many benefits to using chemical characterization, from reducing the testing burden, saving time and money for the manufacturer, and reducing the amount of animal testing required. From an ethical standpoint, the latter benefit can be especially attractive.

Explanation:

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3 years ago

Alpha particle radiation will most likely result when

Marianna [84]

Answer:

electrons gain energy

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3 years ago