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natta225 [31]
3 years ago
14

Potassium manganate(VI), K2MnO4, can be made to react with water,

Chemistry
1 answer:
vaieri [72.5K]3 years ago
6 0
K2MnO4+(2)H2O —>KMnO4+(2)KOH+(2)H2

Coefficients are in parentheses and subscripts are just normal letters
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Annie has a soccer ball and a kickball she kicks each ball with the same force the soccer ball accelerates at 3 m/s to the secon
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Answer:

Because of less weight kick ball has more acceleration.

Explanation:

Acceleration of kick ball:

5 m/s

Acceleration of soccer ball:

3 m/s

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According to newton's second law the acceleration of object depends upon two variables.

1) Mass of object

2) Force acting on it

Mathematical expression:

a = f/m

a = acceleration

f = force

m = mass

The force on balls are same thus the acceleration is depend upon the masses of balls.

The soccer ball has more weight that's why its acceleration is less while kick ball is lighter and thus its acceleration will more.

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3 years ago
The major portion of an atomic mass consist of
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The major portion of an atomic mass consists of neutrons and protons.

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Between nitromethane (CH3-NO2) and methyl nitrite (CH3-0-NO), which has the higher boiling point? Explain the reason in less tha
kondor19780726 [428]

Answer:

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3 years ago
What is the balanced chemical equation for Nitric acid with sodium carbonate
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Answer:

Nitric acid reacts with sodium carbonateto form sodium nitrate, carbon dioxide and water. 2HNO3+Na2CO3→2NaNO3+CO2+H2O.

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An atom contains three protons, two neutrons, and one electron. What is the charge of the nucleus?
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A.3+

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