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never [62]
3 years ago
7

How is the telegraph you made like the one morse made?

Chemistry
1 answer:
Serga [27]3 years ago
7 0
It developed in the 1830s and 1840s by samual morse and other inventors, the telegraph revolutionized long-distance communication. <span />
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A potassium atom (atomic number 19) and a bromine atom (atomic number 35) can form a chemical bond through a transfer of one ele
liubo4ka [24]

Answer:

A potassium atom (atomic number 19) and a bromine atom (atomic number 35) can form a chemical bond through a transfer of one electron. The potassium ion that forms has 18 electrons. What best describes the bromide ion that forms? It is a negative ion that has one more valence electron than a neutral bromine atom.

Explanation:

7 0
2 years ago
Number 2 I don't get what the question is asking
Rus_ich [418]
Wow thats pretty hard its asking how many is in each of those
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2 years ago
Is this correct? please check
Reil [10]

Answer:

A is the correct option

Explanation:

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4 0
2 years ago
What purpose do each of the following play in the isolation and purification of ethyl 3- hydroxybutanoate?
Shalnov [3]

Explanation:

-Filter help — delete some big unreacted, undesirable species (norit is probably from what you are sorting through, its only carbon which cleans up things)

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-evaporation in the hood to clear the DCM and crystallize the product.

8 0
3 years ago
I need help with science pls help me
ryzh [129]

Answer:

Explanation:

6. When insulating materials rub against each other, they may become electrically charged .

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9. Grounding is the process of removing the excess charge on an object by means of the transfer of electrons between it and another object of substantial size.

6 0
2 years ago
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