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What might cause a loud vibrating sound in your copper pipes if you have changed all the single handle faucet cartriges and put a 5-foot pressure relief at the meter?
Wiki User
∙ 19y ago
Sometimes a loose washer in a shutoff valve can cause this problem. Replacing the shutoff valves usually will take care of the problem.
Wiki User
∙ 19y ago
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Are pennies made of mostly copper or zinc?
pennies are made of mostly zinc but have some copper in themMoreThe composition of US cents was changed from bronze in mid-1982. The coins now have a zinc core plated with copper (rather than mixed together). Zinc makes up 97.5% of the coin by weight.
How many different alloys were used to mint the 1967 Lincoln penny?
Only one - 95% copper and 5% tin and zinc. You may be thinking of 1982, when the composition of the coin was changed in mid year from the copper-tin-zinc alloy to copper-plated zinc.
Is bending copper a physical of chemical change?
Yes this is a physical change because they are melting it and then it's being changed by the heat of the torch but heat is a physical change.
Is copper viscous?
At Standard Temperature and Pressure, Copper is a solid metal.
What dates of us pennies are not all copper?
Pennies are supposed to be all copper through 1981. In 1982 some are and some are not, and after 1982 all are clad.CorrectionThe last 100%-copper cents were struck in 1857. Since then the composition of the cent has been changed many times, starting with a copper-nickel alloy from 1857 to 1864, then various varieties of bronze (95% copper), steel (1943), and eventually copper-plated (not clad) zinc beginning in mid-1982.
What year was penny changed in amount of copper?
Midway through 1982, the composition of the US penny changed from 95% copper and 5% zinc to 97.5% zinc and 2.5% copper (in the form of a coating of pure copper over a core of zinc).
Has mining of copper changed over time?
Yes, mining of copper has evolved over time with advancements in technology and mining techniques. Modern mining methods are more sophisticated and efficient, leading to increased productivity and reduced environmental impact compared to historical mining practices. Additionally, there is now a greater emphasis on sustainability and responsible mining practices in the copper mining industry.
When an iron nail is dipped into copper sulphate solution after sometime the colour is changed into?
When a iron nail is dipped into copper sulphate solution after sometime the colour is changed into pale green.
What is the percentage of copper are in pennies before 1980?
Pennies minted before 1982 are composed of 95% copper and 5% zinc.
What is amari's changed or new name from copper sun?
Myna
How can the copper be changed back into a solid?
Add heat Energy
What is the English name of the element that the Romans called Cuprum?
Actually the word is cypruim which was simplified to cuprum. We changed it to copper.
Copper dissolves in nitric acid producing copper nitrate After a reaction with sodium hydroxide and heating copper nitrate changed to copper oxide Calculate the percent yield?
well furst off gurrgarhsaddfas
Is the statue of liberty changed from copper to green chemical weathering?
Yes.
What causes copper injector on 300 discovery to blow?
High Pressure.
Can you use copper water lines for high pressure?
Yes no problem
How much air pressure can copper pipe hold?
2000 Psi
