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Naily [24]
3 years ago
10

What is an example of chemical change

Chemistry
2 answers:
fiasKO [112]3 years ago
6 0
<span> When Sugar is cooked to make caramel, the heat from the cooking converts sugar into a different molecular structure and give the caramel its color and flavor Note that chemical changes are not reversible. </span><span />
Nastasia [14]3 years ago
5 0

Answer:

Fireworks exploding is a chemical change. Rusting, burning, etc. are also examples of chemical changes.

Explanation:

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Peppers have a white section that hold all of their seeds. There is a kind of chemical in the white region that triggers the "sp
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Capsaicin is the chemical in the peppers, and then milk reverses it by using casein (A fat loving compound) to bond to the capsaicin and wash it away. Hope this helps!
4 0
3 years ago
An atom X has 2 electrons in its outer orbit. What will it do to form a stable ion?
matrenka [14]

Answer:

In a neutral molecule, the sum of the bonding valance electrons must be equal. So the products of the negative element and its charges and the positive element and its charge must be equal.

Explanation:

C1×N1 = C2×N2

If we have a 3 valance electrons , the 'A' charge will be either +3 or -5 for a full octet and valance electron in 'B' atoms will mostly result in acquisition of additional electrons (2) for an octet and relative charge of -2.

Balancing the two,

3 × A = -2 × B

To be equal, A = 2 and B = 3

Therefore, A²B³

6 0
3 years ago
What is the symbol of the ion with 36 electrons and a +2 charge?
AlladinOne [14]

Answer:

Strontium

Explanation:

The atomic number of strontium is 38.

It has 38 electrons.

It is alkaline earth metal. It has two valance electrons.

Strontium loses its two electrons and form cation with +2 charge.

Electronic configuration;

Sr₃₈ = [Kr] 5s²

The valance electrons present in 5s are lost by strontium atom and form Sr⁺² cation.

it is yellowish-white metal.

It is highly reactive.

It form salt with halogens.e.g

Sr    +   Br₂    →     SrBr₂

IT react with oxygen and form oxide.

2Sr   +   O₂   →    2SrO

this oxide form hydroxide when react with water,

SrO  + H₂O   →  Sr(OH)₂

With nitrogen it produced nitride,

3Sr + N₂     →  Sr₃N₂

With acid like HCl,

Sr + 2HCl  →  SrCl₂ + H₂

3 0
3 years ago
According to the kinetic theory, all matter is made of moving particles, which measurement of matter is directly proportional to
34kurt
Answer: Kelvin temperature of a substance
8 0
3 years ago
Why do mentos react to coke? Also is this a chemical or physical reaction?
navik [9.2K]
Mentos reacts to coca-cola because of the sugars and then they expand which causes the soda to explode out of the open container. this is a chemical reaction because it cause the sugars to expand which you can't see happen.
5 0
4 years ago
Read 2 more answers
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