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kumpel [21]
3 years ago
12

How would you find how many unpaired electrons are in a compound? Ex. unpaired electrons in aluminum in aluminum II oxide.

Chemistry
1 answer:
larisa86 [58]3 years ago
3 0
You would have to multiply or either divide
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Sodium sulphate reacts with calcium nitrate to produce sodium nitrate and calcium sulphate. A) identify the reactants and produc
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Answer:

yes ...................

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Write a molecular equation for the gas-evolution reaction that occurs when you mix aqueous hydroiodic acid and aqueous sodium su
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Na₂SO₃ + 2HCl → 2NaCl + SO₂ + H₂O

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In 1939, the use of DDT (a powerful synthetic chemical) as an insecticide was discovered. The United States adopted its widespre
Natasha_Volkova [10]

Main advantages of DDT are the insecticide property and the knoledge about its chemical synthesis.

Explanation:

At that time in 1939 it was discovered that DDT have insecticide properties. It is a useful property because it allows inhibition of insects populations in large areas. Killing insects will reduce the diseases transmitted by them as  typhus and malaria. More over you prevent the destruction of the agricultural crops by the harmful insects.

However the synthesis of the molecule was known way back in 1874. From that time it was plenty of time in which chemistry knowledge evolved so the synthesis at kilograms scale was implemented. High quantities of DDT molecule become available for the market so that in 1945 was available as agricultural insecticide.

It was discovered that DDT have bad effects for human health and also over time some insects developed resistance and their were not affected anymore by the molecule.

You may find the chemical structure of DDT in the attached figure.

Lean more:

about DDT

brainly.com/question/1417051

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8 0
3 years ago
if five gases contained in a cylinder each exert a pressure of 1.0 atm what is the total pressure exerted by the gases
UNO [17]

Answer:5.0 atm

Explanation:

See attached photo

6 0
2 years ago
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Atrial natriuretic peptide is a hormone that controls blood pressure in part by increasing the urinary excretion of sodium. True
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Answer:

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4 0
3 years ago
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