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12345 [234]
3 years ago
15

What is the symbol for element with atomic number 74?

Chemistry
1 answer:
Sliva [168]3 years ago
4 0
Tungsten, also known as wolfram element with letter W and atomic number 74. 
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3. If opposing forces acting on an object are equal, the net force is_____
marin [14]

[A] 0

When opposing forces act on an object, this means that the object isn't moving at all. This is also known as a "balanced force." If the forces of the same and you add them together the answer is 0.

Hope This Helped! Good Luck!

4 0
3 years ago
Jenny places a strip of pH paper into a solution. When she removes the pH paper, it has turned yellow-green.
Ronch [10]
Jenny puts the ph paper and lines it up PH SCALE to find how strong the solution.
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3 years ago
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In the reaction of magnesium with oxygen, explain which atom is the reducing agent.
Mnenie [13.5K]

Answer:

Mg.

Explanation:

  • The oxidation-reduction reaction contains a reductant and an oxidant (oxidizing agent).
  • An oxidizing agent, or oxidant, gains electrons and is reduced in a chemical reaction. Also known as the electron acceptor, the oxidizing agent is normally in one of its higher possible oxidation states because it will gain electrons and be reduced.
  • A reducing agent (also called a reductant or reducer) is an element (such as calcium) or compound that loses (or "donates") an electron to another chemical species in a redox chemical reaction.
  • For the reaction:

<em>Mg + 1/2O₂ → MgO.</em>

<em></em>

Mg is oxidized to Mg²⁺ in (MgO) (loses 2 electrons). "reducing agent".

O is reduced to O²⁻ in (MgO) (gains 2 electrons). "oxidizing agent".

5 0
3 years ago
What is the driving force of energy that causes convections currents to occur?
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Explanation: The heat produced in the interior of the earth is thought to be the driving force behind plate tectonics. That heat creates convections currents that can be observed in volumes of air and liquid is a known fact.

I hope this helps
Have a nice day
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8. A 0.456mg sample of hydrogen-3 was collected. After 24.52 years, 0.114 mg of the
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Okay okay sounds okay wn3838
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