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Ira Lisetskai [31]
3 years ago
8

How many lone pairs are around the central atom in the Lewis formula for the

Chemistry
1 answer:
Butoxors [25]3 years ago
6 0

Answer:

                  Zero Lone Pairs

Explanation:

                     Hydrogen Sulfate is made from Sulfuric acid. It is an ion and contains a negative charge on one of its oxygen atoms. The central atom of this ion is sulfur atom.

                     The lewis structure of hydrogen sulfate is attached below. It can be seen from the structure that the sulfur is carrying no lone pair of electrons as that carried by oxygen atoms. The sulfur atom is making four single or multiple bonds with oxygen atoms. Also, the electron and molecular geometry around sulfur is Tetrahedral.

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Heat 22.6 g of titanium from 1420oC to 1590oC
Sauron [17]

Answer:

<u>1997.84</u>

Explanation:

(22.6g)(.52J/gC)(170C)

eliminate the respective variables

and you will only have Joules left

multiply it all

u get 1997.84

5 0
3 years ago
Calculate the percent ionization of a 0.447 M solution of nitrous acid
Rudiy27

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What kind of nuclear reaction occurs in the following reactions?
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Answer:

No 1 is fission

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3 years ago
When a sample of ca(s) loses 1 mole of electrons in a reaction with a sample of o2(g) the oxygen?
Stolb23 [73]
The reaction involved in present case is:

Net Reaction: Ca   +    1/2 O2    →         CaO. ..................(1)

In terms of oxidation and reduction, the reaction can be shown at

Oxidation: Ca     →       Ca2+      +       2e- .................(2)
Reduction: 1/2O2    +   2e-      →      O2-...................(3)

From, reaction 1 it can be seen that 1 mol of Ca reacts with 1/2 mol of O2 to form 1 mol of CaO.

From, reaction 2 it can be seen that 1 mol of Ca, generates 2 mol of e-.

Thus, when 1/2 mol of Ca is used in reaction, it will lose 1 mol of electrons.
6 0
3 years ago
Read 2 more answers
Luminosity is the amount of energy emitted by a star each second. Stars radiate light over a broad range of frequencies in the e
lapo4ka [179]
Luminosity is the amount of energy emitted by a star each second. Stars radiate light over a broad range of frequencies in the electromagnetic spectrum, <span>from the low energy radio waves to high energy gamma rays. Energy emitted from stars is the result of fusion of gases within its core</span>
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3 years ago
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