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Vesna [10]
3 years ago
10

Explain why or why not it’s necessary for the scientific process to always follow the same route

Chemistry
1 answer:
miss Akunina [59]3 years ago
6 0

Answer:

Explanation:

The scientific method describes the processes by which scientists gain knowledge about the world. It's characterized by six key elements: questions, hypotheses, experiments, observations, analyses, and conclusions. These elements are interrelated steps, so they don't always function in the same order.

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Explanation:

At first sight, I could recognize you

As if we were calling for each other

The DNA in my blood vessels tell me

That it’s you I was looking all over for

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3 years ago
Burning alcohol for fuel is a very efficient process. Please select the best answer from the choices provided
Vedmedyk [2.9K]
Burning alcohol for fuel has been used throughout history. There are some alcohols that are the best ones to use as fuels because of their nature and can be synthesized chemicaly or biologicaly. Except, some of those alcohol also has a bad effect when burned for fuel as it would cause serious negative chemical effects when exposed to the human body such as blindness or death. Therefore, the best answer would be False.
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Given the equation: 2Na + 2H2O → 2NaOH + H2 Which substance in this equation is a binary compound?
Blababa [14]
By the definition of a binary compound, the answer is NaOH.
8 0
3 years ago
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Lime is added to a lake to neutralize the effects of acid rain. The pH value of the
OverLord2011 [107]

Answer:

The change in concentration of H+ ions is -9.99×10⁻⁵

Explanation:

When pH rises, we talk about neutralization and, there is a decline in proton's concentration.

pH lower than 7 is acid

pH higher than 7 is basic

Protons are neutralized by hydroxides to make water as this:

H₃O⁺   +  OH⁻  ⇄   H₂O

pH = - log [H₃O⁺]

[H₃O⁺] = 10^-pH

In conclussion: [H₃O⁺]₁ = 10⁻⁴ → 1×10⁻⁴

[H₃O⁺]₂ = 10⁻⁷ → 1×10⁻⁷

1×10⁻⁷- 1×10⁻⁴

The change in concentration of H+ ions is -9.99×10⁻⁵

4 0
3 years ago
How would scientists most likely describe the system of the Earth in regard to energy?
Nuetrik [128]

Answer:

4 is the best answer but incomplete.

Explanation:

Heat from the Earth is also radiated back into space. The in and out of energy is what makes it an open system.

8 0
3 years ago
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