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inysia [295]
3 years ago
10

If atoms contain charged particles, why do they not have a charge?

Chemistry
1 answer:
Diano4ka-milaya [45]3 years ago
3 0

Answer:

A

Explanation:

They have the same number of positive protons & negative electrons, hope this helps

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How does oxidation differ from reduction
Dima020 [189]

Answer:

See the explanation below, please.

Explanation:

In redox reactions (oxide reduction) the transfer of electrons between compounds occurs.

 In oxidation, electrons are lost (positive charge increases). Example:

Mg ---> Mg2 + + 2 e- (passes from Mg ° to Mg 2+)

On the other hand in the reduction, electrons are gained (negative charge increases or the positive one increases). Example:

Cl2 + 2e- ---> 2 Cl- + 2 e- (passes from Cl ° to Cl-)

6 0
3 years ago
CO is a primary pollutant. <br> a. True<br> b. False?
Y_Kistochka [10]
<h2>Answer : Option A) true</h2><h3>Explanation : </h3>

CO which is carbon monoxide is a primary pollutant for air pollution. As it contributes to the major proportion in the air pollutants amongst others. It has 48% percent of pollutants in comparison to other pollutants of air. The source of carbon monoxide is mainly from incomplete combustion of fuel  mostly from the older cars.

The rise in atmospheric CO results in fatigue, drowsiness and my also sometimes lead to death of the person exposed to it.

3 0
3 years ago
Read 2 more answers
A soccer balll is travelling at a velcrocity of 50ms the kinetic energy of the ball is 500 what is the mass of the soccer ball
Verizon [17]

KE = mv²/2

m=2*KE/v²

v=50 m/s

KE=500J

m=2*KE/v² =2*500/50²=1000/2500= 0.4 kg

3 0
3 years ago
The answers please to this
Vlad1618 [11]
I know for number 4 the answer is c, sorry I can't help with the others.
5 0
3 years ago
Condensation is a process for which a. ΔG is negative at high temperature but positive at low temperature. b. ΔH and ΔS are nega
IgorC [24]

Answer:

b. ΔH and ΔS are negative at all temperatures .

Explanation:

During the process of condensation ,

The gaseous state convert to liquid state ,

Hence , the entropy of the system reduces , i.e. , the randomness decreases .

And the value for entropy is negative ,

hence ,

Δ S = negative ,

Δ H = negative ,

Since ,

The heat is releasing from system .

hence , the most appropriate option will be ΔH and ΔS are negative at all temperatures .

7 0
3 years ago
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