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Properties of low alloy nickel?
The low alloy nickel such as Cu90/Ni10 and Cu70/Ni30 offer excellent resistance to corrosion in the seawater and biofouling. These are used in the production of coins. Read more about them below:
How do you change the Stereo on a 95 Nissan Maxima?
First, is it the factory Nissan radio or not?First and a half, is it a combo tape/CD unit (double size)?Second, is it a BOSE stereo?Second and a half, Are you replacing with same size unit?Third, are you replacing any speakers at the same time? If factory Nissan radio,1)pry up the trim around shifter.2)disconnect cigarette lighter harness(es)3)remove one black screw (almost dead center) and a gold screw from the left side , the head of which is an 8mm bolt.4)remove the ashtray by popping out the right side (2 clips hold it in place)5)now remove gold colored 8mm screw from right side bottom6)using a flat paint scraper or something of the sort pry at the vents at the top. The top section with vents, clock, hazards, and defroster is all one. There are four clips, 2 at top and two on the lower sides. They all pop straight out towards the back of the car. 7)this now exposes the other two gold colored 8mm screws.8)the whole enchilada now comes out heater controls and all. If replacing a single tape or CD unit that is non Bose you will need a wiring harness metra 70-7550, and an antenna adaptor metra 40-ni10. Also note there is no ground in the harness, so leave the ground long enough to reach a bolt down inside cavity, there at least 2 good metal ones in there. If it is a double unit tape and CD non-Bose and you are replacing with a double din unit you will need same parts as above. If it is a double unit tape and CD non-Bose and you are replacing with single sized unit then you will also need a pocket, metra 88-00-9000. If the factory radio was a Bose then you will alos need to purchase an add a head type adaptor to match the outputs of the new stereo to the Bose amplifiers. Good luck. If this did not cover your specific question, leave another question here. I own two maximas and worked in the car stereo field for almost 10 years.
Will iron displace copper from copper sulphate?
There is a particular reactivity series in metals, which decides that which metal is more reactive then the other.The one on the top is the most reactive and the one on the bottom is the least.The reactivity Series is as follows:1.Potassium- K -----Most reactive2.Berium-Ba3.Calcium-Ca4.Sodium-Na5.Magnesium-Mg6.Aluminium-Al7.Zinc-Zn8.Iron-Fe9.Nickel-Ni10.Tin-Tn11.Lead-Pb12.Hydrogen-H213.Copper-Cu14.Mercury-Hg15.Silver-Ag16.Gold-Au17.Platinum-Pt ------Least Reactive.Now, here we see that iron is on the top then copper.It means that iron is more reactive then copper. Thus it replaces copper in its solution.Copper sulphate solution is blue in colour but if iron comes in its contact then the solution turns green due to formation of iron sulphate.Such reaction in which one less reactive metal is displaced by a more reactive one is called 'DISPLACEMENT REACTION'Dated: 3 August 2009 Aditya Choubey.VIII B, Delhi Public School,Vijaipur, Distt. Guna.
