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12345 [234]
3 years ago
14

In real life substances can change into?

Chemistry
1 answer:
PtichkaEL [24]3 years ago
5 0

Answer:

yes it is

Explanation:

if you have substance , it is can be SOLID or LIQUID or GAS (States of Matter )

and maybe this substance react with other substance or element and produce a new substance or dissociate to element

for EX : you have a H2O

it's may react with NaCl to produce  NaOH and HCl

or the H2O dissociate to H2 and O

Good LUCK

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8 0
3 years ago
given two equations representing reactions: which type of reaction is represented by each of these equations?
Sergeeva-Olga [200]

Answer:

Equation 1 - nuclear fission

Equation 2 - nuclear fusion

Explanation:

Nuclear fission is a reaction in which a large nucleus is split into smaller nuclei when it is bombarded by neutrons. The process produces more neutrons to continue the chain reaction. This is clearly depicted in equation 1 as shown in the question.

Nuclear fusion is a reaction in which two light nuclei combine in order to form a larger nuclei. This is clearly depicted in equation 2 as shown in the question.

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2 years ago
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Karolina [17]

Answer:

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8 0
3 years ago
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Why does knowing the mass of an object not help you identify what material the object is made from?
jeka57 [31]
Because mass is not always the same for objects made from the same material. Just because an object has the same mass as another doesn’t mean they are the same material.
4 0
3 years ago
Explain how to use the periodic table to deduce the number of protons, neutrons and electrons of an atom of a specific element
Ksju [112]

Answer:

See explanation

Explanation:

The periodic table shows the atomic number and mass number of each element.

We know that the atomic number shows;

  1. The number of protons in the nucleus of the atom
  2. The number of electrons in the neutral atom of the element.

So we obtain the number of protons and electrons by looking at the atomic number shown in the periodic table.

We also know that;

Mass number = Number of protons + number of neutrons

Since number of protons = atomic number of the atom

Number of neutrons = Mass number - atomic number

Hence we obtain the number of protons by subtracting the atomic number from the mass number given in the periodic table.

5 0
3 years ago
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