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Rainbow [258]
3 years ago
7

HELP ASAP

Chemistry
1 answer:
Arte-miy333 [17]3 years ago
8 0

arsenic symbol as # electrons 33 # neutrons 33 #protons 33

googole the rest as it is using the clues on the paper because i have to go

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8) Which one of the following can be broken down in to simpler substances<br>​
Sophie [7]

Answer:

Compounds can be broken down into simpler substances by chemical means, but elements cannot. break a compound into simpler substances; oxygen and hydrogen that water contains.

But where is the following?

3 0
3 years ago
Name the chemical reaction HCI +<br> NaOH → NaCl +<br> H20
Arte-miy333 [17]

Answer:

Neutralization reaction

Explanation:

This reaction involve an acid (HCl) reacting with a base (NaOH), producing a salt (NaCl) and water. Therefore it's a neutralization reaction.

7 0
3 years ago
What practice will not help you make an accurate volume reading on a buret at the beginning of a titration?
Iteru [2.4K]

Answer:

Taking reading of the volume level of liquid in a buret while it is inclined leading to parallax error

Explanation:

Practices that will not help you make accurate volume reading on a buret are

1. Leaving air bubbles buret tip or in the stopcock

2. Error due to parallax: Taking volume reading while looking at the scale of an inclined buret. Looking down the buret gives it an appearance of a higher reading than actual reading while up towards the meniscus will make it look lower than the actual value

3. Pouring in the liquid too rapidly into the buret forming droplets on the inner walls of the buret which can alter the volume reading of the buret when the drops settle into the remaining liquid in the buret

6 0
3 years ago
Which of the following can be classified only as a thermoplastic polymer? A) thermosetting polymers B) addition polymers C) line
cluponka [151]

Answer:

A thermoplastic is a polymer that becomes pliable or moldable above a specific temperature and returns to a solid state upon cooling. These are the linear or slightly branched long chain molecules. For examples, PVC, polystyrene, nylon,polyethylene etc.

Explanation:

5 0
3 years ago
Which organelle, labeled X in the diagram, is found in both plant and animal cells? the cell wall the cell membrane mitochondria
arsen [322]

Answer:

it is actually the cell membrane.

Explanation:

the cell wall can only be found in plants

3 0
3 years ago
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