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3 years ago

Convert 0.109 mol of lithium to grams

Chemistry

1 answer:

lisabon 2012 [21]3 years ago

3 0

0.109 miles of lithium is equal to 0.7565689 grams

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MAVERICK [17]

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Explanation:

if you start with 12 atoms of carbon and its called the half life of carbon what is half of 12

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3 years ago

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Determine the oxidation number (oxidation state) of each element in CH 4 . C : H : Determine the oxidation number (oxidation sta

AleksandrR [38]

Answer:

1. In CH₄ molecule:

The oxidation number of H = (+ 1)

The oxidation number of C = (- 4)

2. In SO₂ molecule:

The oxidation number of O = (- 2)

the oxidation number of S = (+ 4)

3. In BF₃ molecule:

The oxidation number of F = (- 1)

the oxidation number of B = (+ 3)

Explanation:

Oxidation number represents the oxidation state of an element in a given chemical compound, which can be zero, negative or positive.

The overall charge on a given chemical molecule is equal to sum of the oxidation numbers of all the elements in that molecule.

Now, calculating the oxidation number-

1. In CH₄ molecule:

As we know, the oxidation number of H = (+ 1)

and the overall charge on the molecule = 0

Let the oxidation number of C be x

∴ x + (+ 1) × 4 = 0

⇒ x = (- 4)

Therefore, the oxidation number of C = (- 4)

2. In SO₂ molecule:

As we know, the oxidation number of O = (- 2)

and the overall charge on the molecule = 0

Let the oxidation number of S be x

∴ x + (- 2) × 2 = 0

⇒ x = (+ 4)

Therefore, the oxidation number of S = (+ 4)

3. In BF₃ molecule:

As we know, the oxidation number of F = (- 1)

and the overall charge on the molecule = 0

Let the oxidation number of B be x

∴ x + (- 1) × 3 = 0

⇒ x = (+ 3)

Therefore, the oxidation number of B = (+ 3)

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4 years ago

Is platinum reactive or I reactive element and why ?

andre [41]

Answer: It is reactive

Explanation:

Platinum is the least reactive element on the reactive scale.

For example, the platinum doesn't give the reaction with the oxygen that is found in the air, even though if it is heated but platinum does show the reaction with fluorine, chlorine and at red heat. Platinum can be found in a pure form in nature.

Platinum is reactive, it can react with some elements, but it is the least reactive element and also it is called unreactive, it doesn't easily react with elements.

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3 years ago

The result of technology is a product. True or false

jok3333 [9.3K]

Answer:

True

Explanation:

In info technology, a product is created and then made available to customers

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What is the major use of carbon monoxide

Dmitry [639]

Answer:

Carbon monoxide is a very important industrial compound. In the form of producer gas or water gas.

hope ths help and if you want more information go to this website: science.jrank.org

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