Density of copper & zinc

+ Copper is 8.92 g/cm3,+++++Zinc is 7.1 g/cm3. When you go to search for density of materials, do not forget to also search "specific gravity". Ira Donovan, M.S.F. Ed. note: Master Surface Finisher is NASF's highest certification level.  Burns & McDonnell    Kansas City, Missouri + 8.89 and 7.14 respectively. Bill Reynolds    consultant metallurgist Ballarat, Victoria, Australia It is this website's profoundly sad duty to relate the news that Bill passed away on Jan. 29, 2010. S I D E B A R Learn more: If you don't quite understand what density means, see the "Coach's notes".   Until 1982 pennies were made of copper; Since 1983 they have been made of zinc with a thin copper plating   What is My Weight in Pennies? A Penny's Worth of Copper, A Nickel's Worth of Nickel   The chemical symbol for copper is Cu, and for zinc is Zn.   A cooper makes wooden casks held together with bands of steel, not copper.

More fun with science . . .

++++ Dude! That was so cool! Cause I had homework to find the density of those two elements and they are right there! Awesome! Who's getting an A? Me! Hurrah! Keep putting stuff like that up and I will pass Chem. for sure. Awesome! Bob B. - Middlesex, New Jersey September 18, 2008 You guys rock. Thanks for the easy source for my paper. :D Rei C [last name deleted for privacy by Editor] - norfolk, Virginia   ^-- this reader rates this thread:  January 22, 2009 Hai puzzled, I was given to carry out an experiment to determine the density of coated cylindrical copper wire with the following data diameter 0.22 mm, length 197 cm and mass 0.6 g. The problem is that the answer should be almost the standard density of copper. Teddy Muleki STUDENT - LUSAKA, ZAMBIA

"Hands-on" learning is fun, maybe try a precision scale? . . .

Hi, Teddy. That sounds like a calculation, a homework question, not an experiment. What part of the experiment did you actually do -- measure and weigh the copper? The answer is not off by a lot (less than 10 percent). Show your work and we can point out the error if you made one. Thanks.

Regards,

Ted Mooney, P.E. finishing.com Brick, New Jersey

hi..
I want to ask.. what is the relation between material thickness and density?
material is stainless steel. the density is 7480 - 8000 kg/m3.
but, how to relate material thickness and the density..?

hope you can help me with this..
thank you

Hi, Aisyah. There is no direct relationship between thickness and density.

Thickness is one of the three dimensions. If you multiply the thickness X the length X the width you will have the volume of the item. If you multiply the volume X the density per unit volume you will have the mass (or weight) of the item.

Regards,

Ted Mooney, P.E. finishing.com Brick, New Jersey