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3 years ago

Frequency of 6.98 x 1013

Chemistry

1 answer:

MAVERICK [17]3 years ago

6 0

Answer:7,070.74

Explanation:because frequency has a lot of energy

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3 years ago

Water, also known as H2O, cannot be separated into hydrogen and oxygen.

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Answer:

So, H2O means two atoms of hydrogen mixed with one atom of oxygen. All pure water is the same, two parts hydrogen to one part oxygen. ... Water cannot be separated by any physical means.

Explanation:

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draw two lewis structures for a compound with the formula c4h10 . no atom bears a charge, and all carbon atoms have complete oct

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The number of sigma bonds = 5, and number of pi bonds = 3 in the given compound. Shown in attachment are the two Lewis structures of the compound with molecular formula C4H10. The two structures are the isomers of each other.

Butane is an alkane represented by C4H10. All the bonds in this situation are single bonds because this substance is an alkane. Two shared electrons are present in every bond.

Each carbon atom requires 8 electrons around it in order to follow the Octet Rule. The octet rule was completed by the hydrogen bonds, eliminating the need for the electron dots.

Straight-chained butane is the first structure. The y-chained isobutane is the second structure.

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2 years ago

Name the following ionic compounds: (a) K2Cr2O7, (b) Li2C2O4, (c) CuNO3.

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Answer :

(a) The name of $K_2Cr_2O_7$ is, potassium dichromate.

(b) The name of $Li_2C_2O_4$ is, lithium oxalate.

(c) The name of $CuNO_3$ is, copper nitrate.

Explanation:

Ionic compound : It is a type of compound that is made up of the ions of the two different elements in which one element is a metal and another element is a non-metal.

(a) $K_2Cr_2O_7$

The given compound $K_2Cr_2O_7$ is an ionic compound. It is made up of two different ions which are potassium ion $(K^+)$ and dichromate ion $(Cr_2O_7^{2-})$ .

So, the name of $K_2Cr_2O_7$ is, potassium dichromate.

(b) $Li_2C_2O_4$

The given compound $Li_2C_2O_4$ is an ionic compound. It is made up of two different ions which are lithium ion $(Li^+)$ and oxalate ion $(C_2O_4^{2-})$ .

So, the name of $Li_2C_2O_4$ is, lithium oxalate.

(c) $CuNO_3$

The given compound $CuNO_3$ is an ionic compound. It is made up of two different ions which are copper ion $(Cu^+)$ and nitrate ion $(NO_3^{-})$ .

So, the name of $CuNO_3$ is, copper nitrate.

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3 years ago

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The width of the patio in the scale drawing is 12 centimeters. (because 4x3 equals to 12)

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4 years ago

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