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emmasim [6.3K]
3 years ago
5

Complete and balance the following reaction. Zinc loses two electrons to form an ion. What type of reaction does this equation r

epresent? Explain your reasoning Zn + AgNO3 ________ + ________
Chemistry
2 answers:
guajiro [1.7K]3 years ago
8 0

Answer: Redox reaction/displacement reaction

Explanation:

Zn + 2AgNO3----------> Zn(NO3)2+ 2Ag

Let us consider the change in oxidation number from left to right

Oxidation number of zinc changed from 0 to +2

Oxidation number of silver changed from +1 to 0

Zinc was oxidized while silver was reduced. This shows a redox process

Also Zinc displaced silver because silver is below zinc in the a electrochemical series of metals. That is, the electrode potential of zinc is more negative than that of silver hence it can displace silver from its salt.

ICE Princess25 [194]3 years ago
4 0
2AgNO3  +  Zn  -->  Zn(NO3)2  +  2Ag
Its a redox reaction, Zn is oxidised (0 --> 2+), Ag is reduced (1+ --> 0)
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What is the amount of heat released by 1.00 gram of liquid water at 0°C when it changes to 1.00 gram of ice at 0°C?
QveST [7]

Answer:

334J/g

Explanation:

Data obtained from the question include:

Mass (m) = 1g

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Heat (Q) =?

Using the equation Q = m·Hf, we can obtain the heat released as follow:

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3 years ago
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3 years ago
Calculate the mass of 25,000 molecules of nitrogen gas. (1 mole = 6.02 x 1023 molecules)
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Molar mass N2 = 28.01 g/mol

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