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stealth61 [152]
3 years ago
6

Sup my people how are you doing to day?

Chemistry
2 answers:
Reptile [31]3 years ago
8 0

Answer:

Explanation: i mean its monday so

Advocard [28]3 years ago
5 0

Answer:

im alright hby?

Explanation:

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How many molecules are in 128g of H2O?
Lelechka [254]

Answer:

4.28x10^24 molecules

Explanation:

From Avogadro's hypothesis, 1mole of any substance contains 6.02x10^23 molecules. From the above, we understood that 1mole of H2O also contains 6.02x10^23 molecules.

1mole of H2O = (2x1) + 16 = 2 + 16 = 18g

Now, if 18g of H2O contains 6.02x10^23 molecules,

Then 128g of H2O will contain = (128x 6.02x10^23) /18 = 4.28x10^24 molecules

3 0
2 years ago
What is the product of the reaction between arsenic and oxygen
Ivan

Answer:

d

Explanation:

As + O2 -------->as2o3

5 0
3 years ago
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Barium carbonate  barium oxide and carbon dioxide balanced formula HELP ME PLEASE
Sauron [17]

Answer:

4Ba(CO3) -> 4BaO2 + 2CO2

Explanation:

I looked at the oxygens to balance this. Ba(CO3) normally has 3 oxygens. BaO2 and CO2 have 4 oxygens total. The common multiple of 3 & 4 is 12. So there should be 12 oxygens on both sides. Then I just found the coefficients that would give 12 oxygens on both sides and can balance the rest of the atoms.

4 0
2 years ago
Mendeleev organized the elements:
pashok25 [27]

Answer: (3)

Medeleev arranged elements in order of increasing atomic weight and similar properties

He noticed that similar elements were grouped together by using this.

4 0
3 years ago
What is an example of conduction
Alexandra [31]

Explanation:When the stove turns on the skillet will become very hot because of the conduction of heat transferring from the stove to the skillet.

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