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2 years ago

How do scientists test ideas about chemical evolution?

Chemistry

2 answers:

maksim [4K]2 years ago

4 0

I think they test ideas about chemical evolution by doing experiments. Hope this helps

Lubov Fominskaja [6]2 years ago

4 0

Answer: By doing experiment.

Explanation:

Chemical evolution can be define as the generation or synthesis of a new chemical from reactants.

Chemical evolution occurs by doing experiment. The results of the experiments will support the cause of the chemical evolution.

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Please help. Thank you guys for all your help and support. <3

miv72 [106K]

It would be “To obey the law of conservation of mass”

7 0

2 years ago

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What is a displacement reactions

Alisiya [41]

<h2>Question:-</h2>

$\textsf{what is a displacement reactions? }$

<h2>Answer:</h2>

$\large \underbrace{ \underline{ \sf Displacement \: reaction}}$

The reaction in which more reactive element replace a less reactive element from its compound is called displacement reaction.

Ex:-

$\bold{\large Zn+HCl \longrightarrow ZnCl_2+H_2}$

6 0

2 years ago

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Formation of magnesium chloride

Shkiper50 [21]

-Pure magnesium is commonly made by separating it from seawater. This process is known as electrolysis. The liquid magnesium formed is cooled into convenient blocks of metal known as ingots. The chlorine gas is recycled to form hydrochloric acid for the production of more magnesium chloride.

5 0

2 years ago

SCIENCE QUESTION

sergey [27]

It is solid because of the pressure. Hope this helps :))

7 0

3 years ago

Given the equation: 2H2 + O2 → 2H2O, how many moles of oxygen are needed to react with 13 moles of hydrogen

bulgar [2K]

Explanation:

2H2 + O2 = 2H2O

2mol. 1mol. 2mol

2mol reacts with 1mol

13mol reacts with x

x=13mol × 1mol

2mol

x= 13mol

2mol

x= 6.5mol of oxygen

6 0

1 year ago