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skad [1K]
3 years ago
7

What is the formula for sodium sulfide?

Physics
1 answer:
Dimas [21]3 years ago
3 0

Hello there!

The formula for sodium sulfide is Na2S.

Hope this helps!

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The exosphere is the layer of the atmosphere
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The exosphere is the layer of the atmosphere "Where gas molecules can be exchanged between Earth's atmosphere and outer space." Thus, the answer would be C.
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A magnet’s force is more powerful at its _____
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Explanation: The field of a magnet is strongest at either pole of the magnet. it's equally strong at the North Pole when put next with the South Pole. The force is weaker within the middle of the magnet and halfway between the pole and also the center.

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Rahim is watching his favorite football team on television. In order to work, the television must be
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Which equation shows the beta decay of a transuranium element?
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239        239     0

Np    →    Pu   +   e

93          94        -1  is the equation shows the beta decay of a transuranium element.

<h3>What is a Transuranium element?</h3>

These are elements whose atomic number is greater than that of uranium which is 92.

Neptunio has an atomic number of 93 which is why option D was chosen as the most appropriate choice.

Read more about beta decay here brainly.com/question/12448836

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2 years ago
When dropped from rest, any object will fall a total distance of 19.6 m in the first 2 seconds of its fall. How far
Setler79 [48]

The distance the object willl fall durring the 2nd seconds is 4.9 m

<h3>Data obtained from the question</h3>

The following data were obtained from the question:

  • Initial velocity (u) = 0 m/s
  • Acceleration due to gravity (g) = 9.8 m/s²
  • Time (t) = 2 - 1 = 1 s
  • Height (h) =?

<h3>How to determine the distance the object will fall during the 2nd seconds</h3>

The distance the object will fall during the 2nd seconds can be obtained as follow:

h = ut + ½gt²

h = (0 × 1) + (½ × 9.8 × 1²)

h = 0 + 4.9

h = 4.9 s

Thus, the distance the object will during the 2nd seconds is 4.9 m

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1 year ago
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