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Ivenika [448]
2 years ago
15

Which type of reaction does this diagram represent?

Chemistry
1 answer:
Citrus2011 [14]2 years ago
8 0

Answer:

Nuclear fission

Explanation:

Because the little particles are being spread out and the two elements are broken apart

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Convert 26.02 x 1023 molecules of C2H8 to grams. Round your answer to the hundredths place.
Akimi4 [234]

No of molecules=26.02×10²³molecules

No of moles

  • 26.02×10²³/6.023×10²³
  • 4.3mol

Molar mass

  • C2H8
  • 2(12)+8(1)
  • 24+8
  • 32g/mol

Mass

  • Moles×Molar mass
  • 32(4.3)
  • 137.6g
6 0
2 years ago
Click in the answer box to activate the palette. Use the half-reaction method to balance the following equation in acidic soluti
Rzqust [24]

Answer:

The balanced reaction in the acidic medium is:

2MnO4^-+3CN^-+2H^+\rightarrow 2MnO_2+H_2O+3CNO^-

Explanation:

CN^- + MnO4^-\rightarrow CNO^- + MnO_2

1) CN^-\rightarrow CNO^- ( oxidation)

Balance oxygen by adding water :

CN^-+H_2O\rightarrow CNO^-

Now , balance hydrogen by adding hydrogen ions on the side where hydrogen are less.

CN^-+H_2O\rightarrow CNO^-+2H^+

Add electrons to balance charge where positive charge is more.

CN^-+H_2O\rightarrow CNO^-+2H^++2e^-..[1]

2) MnO4^-\rightarrow MnO_2 (reduction)

Balance oxygen by adding water :

MnO4^-\rightarrow MnO_2+2H_2O

Now , balance hydrogen by adding hydrogen ions by adding them on the side where hydrogen are less.

MnO4^-+4H^+\rightarrow MnO_2+2H_2O..[2]

Add electrons to balance charge where positive charge is more.

MnO4^-+4H^++3e^-\rightarrow MnO_2+2H_2O..[2]

3 × [1] + 2 × [2]

The balanced reaction in the acidic medium is:

2MnO4^-+3CN^-+2H^+\rightarrow 2MnO_2+H_2O+3CNO^-

5 0
3 years ago
A scientist performs an experiment in which a radium–226 (Ra–226) atom decays into radon–222 (Rn–222). The scientist concludes t
tangare [24]

Answer:

B)

Explanation:

5 0
3 years ago
Read 2 more answers
How many moles of calcium are there in 5.74 x 1022 atoms of calcium?
igor_vitrenko [27]

Answer:

0.095 moles of Calcium is there in 5.74 x 1022 atoms of calcium.

Explanation:

  • As we know, 6.023*10^23 atoms of an element is equal to its atomic weight.

       And, 6.023*10^23 atoms of an element is also equal to 1 mole of the             element.

We have,

  • 6.023*10^23 atoms of element calcium equals to 1 mole of Calcium
  • 5.74*10^22 atoms of element calcium equals to

         (1/(6.023*10^.23)) * 5.74*10^22 moles of calcium

Therefore,

  • 5.74 x 1022 atoms of calcium= 0.095 moles of calcium.

6 0
3 years ago
The attraction of like water molecules to each other is called _____.
Amiraneli [1.4K]
The attraction of like water molecules to each other is called cohension 
7 0
3 years ago
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