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Oxidizing and reducing agents

In the following reaction, identify the oxidizing and reducing agents. Zn + CuBr2 --> ZnBr2 + Cu a. Zn is the reducing agent, Cu+2 is the oxidizing agent b. Zn+2 is the reducing agent, CuBr2 is the oxidizing agent c. Zn is the oxidizing agent, Cu+2 is the reducing agent d. Zn is the reducing agent, Cu+3 is the oxidizing agent e. Zn is the reducing agent, Br- is the oxidizing agent

Subject:

Chemistry

Topic:

General Chemistry

Posting ID:

10786

OTA ID:

102509

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oxidizing and reducing agents

2. In the following reaction, identify the oxidizing and reducing agents. Cd + NiO2 + 2H2O  Cd(OH)2 + Ni(OH)2 a. Cd+2 is the reducing agent, NiO2 is the oxidizing agent b. Cd is the reducing agent, H2O is the oxidizing agent c. Cd is the reducing agent, NiO2 is the oxidizing agent d. Cd is the reducing agent, O-2 is the oxidizing agent e. Cd is the oxidizing agent, NiO2 is the reducing agent

Subject:

Chemistry

Topic:

General Chemistry

Posting ID:

10787

OTA ID:

103484

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Ionization and reactions of acids and bases

1. Write equations for the following: A. Ionization of the strong acid, HBr in water B. Ionization of the weak acid, HNO2 in water. C. Reaction of the weak base (CH3)2NH with water. D. Reaction of the acid, HNO3 with CaCO3 solid. E. Reaction of HCl(aq) with KOH(aq)

Subject:

Chemistry

Topic:

General Chemistry

Posting ID:

10838

OTA ID:

103234

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Determine the acidity of solutions

2. Which is more acidic, a solution with a pH = 4.74 or a solution that has [H+] of 8.6x10-5M?Show how you arrive at your answer.

Subject:

Chemistry

Topic:

General Chemistry

Posting ID:

10839

OTA ID:

103060

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Water supply samples suitable for drinking

3. The National Drinking Water standard for lead in water is no more than 0.015ppm. If a particular water supply sample has 7.2x10-7 moles of Pb per 5.0 liters, is it suitable for drinking?

Subject:

Chemistry

Topic:

General Chemistry

Posting ID:

10840

OTA ID:

102862

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