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Nesterboy [21]
4 years ago
6

The reducing agent in a material is the one that A. gains electrons. B. increases its atomic number. C. is reduced. D. is oxidiz

ed.
Chemistry
2 answers:
Dmitry [639]4 years ago
8 0

Answer is: D. is oxidized.

Reducing agent is an element  or compound that loses an electron to another chemical species in a redox chemical reaction and they have been oxidized.

For example, chemical equation: Ca + H₃PO₄ → Ca₃(PO₄)₂ + H₂.

Oxidation reaction: Ca⁰ → Ca⁺² + 2e⁻ /×3.

3Ca⁰ → 3Ca⁺² + 6e⁻

Reduction reaction: 6e⁻ + 2H₃⁺¹ → 3H₂⁰.

Balanced chemical equation: 3Ca + 2H₃PO₄ → Ca₃(PO₄)₂ + 3H₂.

Calcium is stronger reducing agent than hydrogen, gives electrons easier.

Calcium is oxidized, it changes oxidation number from 0 to +2.

Bas_tet [7]4 years ago
4 0
D. Is Oxidized Hope I helped.
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How does the principle of electromagnetism explain the interaction between Earth’s magnetic field and the solar wind?
Otrada [13]

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Electromagnetism studies the attraction of two bodies within a magnetic field.

Electromagnetic interaction is one of the four fundamental forces of the known universe. The charged particles interact electromagnetically through the exchange of photons. Experimentally it was concluded that the lines of force of magnetic fields were always closed, eliminating the possibility of a magnetic monopole, so that within a magnetic field there are two poles, in the solar system the attraction between earth and wind Solar is by means of a field.

The most correct theory on this topic is the Earth itself is protected from the solar wind by its magnetic field, most of those charged particles, and most of those charged particles are trapped in the Van Allen radiation belt.

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7 0
4 years ago
24.568 cm of chlorine at 25° C will occupy what volume
Vlad1618 [11]

Answer:

20.446cm3

Explanation:

The following were obtained from the question given:

V1 (initial volume) = 24.568 cm3

T1 (initial temperature) = 25°C = 25 + 273 = 298K

T2 (final temperature) = - 25°C = - 25 + 273 = 248K

V2 (final volume) = ?

Since the pressure is constant, the gas is obeying Charles' law. With the Charles' law equation V1/T1 = V2/T2, we can easily calculate the final volume as follow:

V1/T1 = V2/T2

24.568/298 = V2/248

Cross multiply to express in linear form as shown below:

298 x V2 = 24.568 x 248

Divide both side by 298

V2 = (24.568 x 248) /298

V2 = 20.446cm3

From the calculations made above, the volume of the gas at -25°C is 20.446cm3

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4 years ago
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