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Ray Of Light [21]
2 years ago
6

Explain how a density current might form in the Arctic Ocean

Chemistry
1 answer:
gregori [183]2 years ago
4 0

they are caused by winds and changes in seawater density.

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Atoms of which types of elements tend to gain electrons? Atoms of which types of elements tend to lose electrons?
ollegr [7]
Atoms of elements that are nonmetals tend to gain electrons and atoms of metallic elements tend to lose electrons. Metals have few electrons in their valence shells. By losing those electrons, these metals achieve noble gas configuration and satisfy the octet rule. Nonmetals that have close to 8 electrons in their valence shells readily accept electrons to achieve noble gas configuration. An example is the reaction between calcium and oxygen. Calcium is a metal and has 2 valence electrons. Oxygen is a nonmetal and has 6 valence electrons. Calcium gives up its two valence electrons and oxygen accepts them and an ionic bond is established resulting in the formation of anew compound namely calcium oxide.
8 0
3 years ago
A number of substances and their chemical formulas are listed below. Check the ones that are compounds. neon (Ne) carbon monoxid
Oxana [17]

Answer:

carbon monoxide (CO)

glucose (C6H12O6)

Explanation:

4 0
3 years ago
Which description applies to a physical property? Choose the correct answer
choli [55]

Answer:

the third one, measured or observed without changing the identity and composition of matter. because physical property does not under go any change but can be put back.

6 0
3 years ago
What element is a F-18 Atom
VikaD [51]

Answer:

Sodium Fluoride F 18 Injection is a positron emitting radiopharmaceutical, no-carrier added.

Explanation:

Element Name Fluorine

Element Symbol F

Atomic Number 9

4 0
3 years ago
The following chemical reactants produce the ester ethyl ethanoate (C4H8O2): C2H6O + CH3COOH What type of reaction occurs to mak
nydimaria [60]

Answer:

Esterification reaction

Explanation:

An esterification reaction is an organic reaction involving an organic acid and an alkanol to give an ester or an ethanoate and water

Like the name suggests, an ester is the product formed in an esterification reaction alongside water. It is like a neutralization reaction but this time it solely contains organic molecules. These molecules react with each other to give rise to another organic molecule which is a member of a different homologous series.

Practically, to form ethyl ethanoate, ethanoic acid react with ethanol in the presence of concentrated sulphuric acid which catalyses the reaction.

8 0
3 years ago
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