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ira [324]
3 years ago
9

Please help me I will give you the brain thing and extra points. image below part

Chemistry
2 answers:
Sholpan [36]3 years ago
4 0

Answer:

The answer is D, when H2S gas is bubbled into a lead acetate soulution, a precipitate forms

Explanation:

This is because a physical change is when it changes but doesn't turn into a new substance. A chemical change is when it transforms into a completly new substance.  Hope this helps!!! :)

jekas [21]3 years ago
3 0
D is the correct answer... if u need in depth let me know
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Which of the following properties of a protein is least likely to be affected by changes in pH? Tertiary structure Primary struc
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Answer:

Primary structure is the correct answer.

Explanation:

  • The primary structure is the simple level of protein structure.
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Explanation:

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Answer:

Changes in Properties Changes in properties result when new substances form. For instance, gas production, formation of a precipitate, and a color change are all possible evidence that a chemical reaction has taken place. ... Change in Color A color change can signal that a new substance has formed.

Explanation:

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Which two types of information are written in an element's box in the periodic table?
GenaCL600 [577]

Answer:

Yes it is B,D.

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2 years ago
Which chemical formula corresponds to this structural formula? h6c6h6h2 c14h6 c6h6 c2h6o
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C₂H₆O is referred to the chemical formula corresponds to this structural formula and is denoted as option D.

<h3>What is Chemical formula?</h3>

This contains information about the chemical proportion of atoms present in a molecule.

In this scenario, there are two carbon atoms, six hydrogen atoms and one oxygen atom which can be written as C₂H₆O. This is therefore the most appropriate choice in this scenario.

Read more about Chemical formula here brainly.com/question/26388921

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