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Um4 R03p Aaa Battery For Shaver

Posted at: Offers to Sell and Export | Posted on: Friday 28 June 2013 8:48 am | Poster last visit: Wednesday 14 January 2015 |

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um4 r03p aaa battery shaver

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Product Description:

UM4 R03P AAA Battery For Shaver

Chemical reaction:


In a zinc–manganese dioxide dry battery, the zinc

can is the negative terminal through which the electric current flows into the device. The zinc is oxidised according to the following half-equation.

Zn(s) → Zn2+(aq) + 2 e− [E° = -0.7626 volts]

The positive terminal is a mixture of chemicals – usually a mixture of manganese dioxide powder, carbon and an electrolyte to increase the electrical conductivity. A carbon electrode rod also is placed inside the middle of the battery, connecting the two metal-capped ends of opposite charge and serving as the positive terminal.The reaction is as follows:

2MnO2(s) + 2 e− + 2NH4Cl(aq) → Mn2O3(s) + 2NH3(aq) + H2O(aq) + 2 Cl− [e° ≈ +.5 v]

and the Cl− combines with the Zn2+.

There are other possible side-reactions, but the overall reaction in a zinc–manganese dioxide battery can be represented as:

Zn(s) + 2MnO2(s) + 2NH4Cl(aq) → Mn2O3(s) + Zn(NH3)2Cl2 (aq) + H2O(l)



Company Contact:

goldenpartner photo
Contact Name: Jon Feng
Company Name: Chongqing Golden Partner Imp. & Exp. Co., Ltd.
Email: Email
Tel: 0086-23-67869643
Fax: 8623677575219
Street Address: 21-15, No. 16,
Jianxinbei Road, Jiangbei District,
Chongqing, China (mainland)
Chongqing, Chongqing 400020
China
Website: http://www.goldenpartner.cn/
Member name: goldenpartner
Country: China-CN China
Member Since: 08 June 2013
Total Leads: 147 goldenpartner Import Export Business Leads
Business focus: Zinc Manganese Battery, Alkaline Battery, Storage Battery, Dry Battery
Chat: Chat with Suppliers
Verify: Safe Import Export Tips



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