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Temka [501]
3 years ago
7

What type of chemical reaction takes place in this process explain in proper detail.​

Chemistry
2 answers:
Kaylis [27]3 years ago
8 0

Explanation:

hope it helps

pls mark me as brainliest thanks❤

Neporo4naja [7]3 years ago
6 0

it is a combination reaction or oxidation reaction.

Answer : The chemical reaction which takes place when Magnesium wire is burnt in air is Combination Reaction. Another type of reaction also takes place which is called Exothermic Reaction because heat or energy gets released when it is burnt in air.

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6) Determine la concentración de una solución que ha sido preparada añadiendo 80cc de agua a 320cc de solución alcohólica al 20%
Xelga [282]

Answer:

16% v/v es la nueva concentración de alcohol en la solución

Explanation:

El porcentaje volumen/volumen (% v/v) es definido como 100 veces la relación entre el volumen de soluto (Alcohol en este caso) y el volumen total de la solución (Agua + Alcohol). Para resolver esta pregunta necesitamos hallar el volumen de alcohol y el de agua:

<em>Volumen alcohol:</em>

320cc * (20cc etanol / 100cc) = 64cc etanol

<em>Volumen agua:</em>

80cc + (320cc-64cc) = 336cc agua

<em>% v/v:</em>

64cc / (336cc + 64cc) * 100

= 16% v/v es la nueva concentración de alcohol en la solución

3 0
3 years ago
How did the development of the earliest idea about atoms differ from the later work of scientists?
NISA [10]
The early ideas of the atom states that the indivisible object is hollow or is a solid object with nothing inside. The later discoveries or works of the scientists states that inside the atoms are the subatomic particles which are the electrons, protons, and neutrons. 
6 0
3 years ago
Read 2 more answers
A biotic factor in a desert ecosystem would be the
valkas [14]
C is correct.

Please vote my answer brainliest. thanks!
6 0
3 years ago
Read 2 more answers
A
meriva

Answer:

Option B is correct. A nuclear alpha decay

Explanation:

Step 1

This equation is a nuclear reaction. So it can be an alpha decay or a beta decay

An α-particle is a helium nucleus. It contains 2 protons and 2 neutrons, for a mass number of 4.

During α-decay, an atomic nucleus emits an alpha particle. It transforms (or decays) into an atom with an atomic number 2 less and a mass number 4 less.

Thus, radium-226 decays through α-particle emission to form radon-222 according to the equation that is showed.

A Beta decay occurs when, in a nucleus with too many protons or too many neutrons, one of the protons or neutrons is transformed into the other.

Option B is correct. A nuclear alpha decay

6 0
3 years ago
If an object what is 30 kg of mass is moving at 10 m/s to the right how much kinetic energy does it have
ki77a [65]

Explanation:

m=30

v=10

K.E=1/2mv^2

=1/2×30×10^2

=1/2×30×100

=1500 joule

6 0
3 years ago
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