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Kryger [21]
2 years ago
7

What is bromin what is bromine what is bromine

Chemistry
2 answers:
Vika [28.1K]2 years ago
5 0

Answer:

Bromine is a chemical element with the symbol Br and atomic number 35. It is the third-lightest halogen, and is a fuming red-brown liquid at room temperature that evaporates readily to form a similarly coloured gas. Its properties are thus intermediate between those of chlorine and iodine

yulyashka [42]2 years ago
3 0

Answer:

Bromine is a chemical element with the symbol Br and atomic number 35. It is the third-lightest halogen, and is a fuming red-brown liquid at room temperature that evaporates readily to form a similarly colored gas.

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Which of the isomeric alcohols having the molecular formula c5h12o are chiral which are achiral?
Masteriza [31]

Answer:

Chiral:

3-Methyl-2-butanol

Achiral:

1-Pentanol

3-Pentanol

3-Methyl-1-butanol

Explanation:

Only the molecule that bears a carbon atom surrounded by 4 different groups can be said to be Chiral, the other molecules don't satisfy this property.

7 0
2 years ago
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Mr. Watson's students brought him a cake on his birthday because he was their favorite teacher. Before he blew out the candles,
katovenus [111]

Answer: OB The candles are able to burn

Explanation: OA The cnadles are thin is a description, OC The candles are 10 cm tall is descriptive , OD The candles are blue is descriptive

7 0
3 years ago
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Sketch the structure of the nitrogen containing product that is formed when ethalymine reacts with water.
Igoryamba

Answer:

Here's what I get  

Explanation:

Ethylamine has an N atom with a lone pair of electrons.

It can act as a Brønsted-Lowry base and accept a proton from water and become an ethylammonium ion.

The structure of the ion is shown below (there is a C atom at each of the four-way bond intersections).

3 0
2 years ago
8. Classify each of the following changes as physical or chemical: (a) coal burning (b) ice melting (c) mixing chocolate syrup w
IrinaK [193]

Answer:

(a) coal burning: chemical change

(b) ice melting: physical change

(c) mixing chocolate syrup with milk : physical change

(d) explosion of a firecracker: chemical change

(e) magnetizing of a screwdriver: physical change

Explanation:

A physical change changes the physical form or the appearance or the property of the substance, but the chemical composition of the matter remains the same. Such a change is reversible in nature.  

Whereas; a chemical change involves a chemical reaction, resulting in the change in the chemical composition of the matter. A chemical change results in the formation of a new substance and is generally irreversible in nature.

(a) coal burning: It is a chemical change because the combustion of coal changes its chemical composition. When coal (carbon) is burned carbon dioxide is released. Irreversible in nature

C(s) + O_{2}(g)\rightarrow  CO_{2}(g)

(b) ice melting: It is a physical change because ice the solid phase of water melts to get converted to the liquid phase of water only and no change in the chemical composition is seen.

H_{2}O(s) \overset{\Delta }{\rightarrow} H_{2}O(l)

(c) mixing chocolate syrup with milk : It is a physical change because on dissolving chocolate syrup in milk, only the color of the milk changes, therefore there is change in the property. As, it involves mixing of two miscible liquids and does not involve any change in the chemical composition of either of the two liquids.

(d) explosion of a firecracker: it is a chemical process, as it involves combustion of an explosive material to produce carbon dioxide, carbon monoxide and water vapour. It is a chemical change because it involves change in the chemical composition. Irreversible in nature

(e) magnetizing of a screwdriver: It is physical change because on magnetization only the magnetic property of the screwdriver changes AND there is no change in the chemical composition of the matter.

6 0
3 years ago
KOH(Ac) + HNO3 → KNO3(Ac) + H2O<br> cual es su reacio
Bumek [7]

Answer:

corbonization for dictionnal

Explanation:

correct

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2 years ago
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