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Ierofanga [76]
3 years ago
13

Why cant chemical changes be reversed

Chemistry
1 answer:
kotykmax [81]3 years ago
4 0

Answer:

Throughout the explanation section, the reason behind the given statement is described.

Explanation:

  • The chemicals thus produced were indeed opposite or separate from the reaction mixture, this same reaction wouldn’t change when it's more balanced than some of the reactants.
  • Another reason is that the development of advanced organisms, as well as chemical alterations, is irreversible throughout nature cant undo the chemical modifications.

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Why does the sun appear to be the brightest star in the sky?
skelet666 [1.2K]

Answer:

D

Explanation:

There are only 2 ways to explain this.

distance

and brightness caused by what it is burning.

A is true but it is not the explanation of why it is true.

B this is actually not true. Other stars would burn much more.

C It is not the largest star. In fact it is in the lower middle.

D is the answer. 93 million miles as these things go, is not every much.

3 0
3 years ago
What is an example of reactivity?
Vedmedyk [2.9K]
Reactivity is an impetus For which a chemical substance undergoes A chemical either by itself or with another materialWith an overall release of energy
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2 years ago
Please select the word from the list that best fits the definition
AveGali [126]

Answer:

I choose D option because may be it's correct

3 0
2 years ago
Read 2 more answers
A compound has an empirical formula of AB and a molar mass of 90 g/mol. What is its
Lelu [443]

Answer:

A3B3

Explanation:

Molecular formula = n x empirical formula

(AB) n = 90

MM of AB = 30 g/mol

30n = 90

Divide both side by the coefficient n i.e 30

n = 90/30 = 3

Molecular formula = n x empirical formula

Molecular formula = n x (AB)

Molecular formula = 3(AB) = A3B3

8 0
3 years ago
A gas has experienced a small increase in volume but has maintained the same pressure and number of moles. According to the idea
krek1111 [17]

Answer:

If a gas has experienced a small increase in volume but has maintained the same pressure and number of moles, the temperature of the gas will DROP.

Explanation:

According to Boyle’s law of ideal gases, volume and temperature of a gas is inversely related, as long as the pressure is kept constant;

P₁V₁/T₁ = P₂V₂/T₂

Therefore, if the volume of the gas increases, the temperature will definitely decrease due to the inverse relationship. The gas will get cooler.  

Learn More:

For more on Boyle's Law check out;

brainly.com/question/13362447

brainly.com/question/2568628

brainly.com/question/12049334

#LearnWithBrainly

4 0
3 years ago
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