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kicyunya [14]
3 years ago
10

Magnesium is able to ____ copper, and copper is able to ____ magnesium.

Chemistry
1 answer:
sveticcg [70]3 years ago
4 0

Answer:

Explanation:

The oxidation reduction reactions are called redox reaction. These reactions are take place by gaining or losing the electrons and oxidation state of elements are changed.

Oxidation:

Oxidation involve the removal of electrons and oxidation state of atom of an element is increased.

Reduction:

Reduction involve the gain of electron and oxidation number is decreased.

Oxidizing agents:

Oxidizing agents oxidize the other elements and itself gets reduced.

Reducing agents:

Reducing agents reduced the other element are it self gets oxidized.

In given example,

Magnesium is able to <u>reduced</u> the copper and copper is able to <u>oxidized</u> the magnesium.

Zinc is able to <u>oxidized</u> the magnesium and magnesium is able to <u>reduced</u> the zinc.

Copper is able to <u>oxidized</u> the zinc and zinc is able to <u>reduced</u> the copper.

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815 cal of heat is added to 5.00 g ice at –20.0 °C. What is the final temperature of the water?
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The amount of heat needed to raise the temperature of an object is obtained through the equation,
                                       H = m(cp)(20) + m (heat of fusion) + m(cp) (dT)
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                     815 cal = (5 g)(0.5 cal/g.C)(20C) + (80 cal/g)(5 g) + 5(1)(T2)
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The isotopes of an element all have the same __(atomic, mass) __number, but they have different __(atomic,mass)__numbers.
Vlad1618 [11]
<h2>The isotopes of an element all have the same __(atomic, mass) __number, but they have different __(atomic,mass)__numbers.</h2>

Explanation:

The isotopes of an element all have the same __atomic  number  __, but they have different __mass __numbers.

The isotopes have same atomic number that is :

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  • Same number of protons
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  • same valency
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The isotopes have different mass number that is :

They differ in number of neutrons .

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