Penny Lab, Chemistry

Assignment Help:
Pennies made after 1982 are made of 97.5% zinc and 2.5% copper instead of 95% copper and 5% zinc. Pree 1982 pennies weighed 3.10g. The penny contained 2.95g of zinc and 0.15g of copper. In September 2011 the cost of zinc was $0.88/lb and the cost of copper is $3.41/lb. How much would it cost to make an "old" penny? (1lb=454g)

Related Discussions:- Penny Lab

Periodic table, what are the properties of d-block elements?

what are the properties of d-block elements?

Lubricants, What r the requirements for a good refractory material

What r the requirements for a good refractory material

Kinetic energy, How might temperature changes in the human body have an imp...

How might temperature changes in the human body have an impact on human health

Theories of indicator, Ask question in explain that #Minimum 100 words acc...

Ask question in explain that #Minimum 100 words accepted#

CHEMICAL ANALYSIS, I WANT TO DISCUSS ABOUT IRON CHEMICAL ANALYSIS.POSSIBLE ...

I WANT TO DISCUSS ABOUT IRON CHEMICAL ANALYSIS.POSSIBLE THAT?.

Name the principal ore of tin or lead, Name the principal ore of tin or lea...

Name the principal ore of tin or lead. Describe the different steps (along with equationsfor the reactions) involved in the extraction of the metal from the ore named. Name

Infrared spectroscopy, how we determine the compound is ir active or not . ...

how we determine the compound is ir active or not . and how we determine the polarity of a compound?

Atoms, how to find atomicity of an element

how to find atomicity of an element

Matter, Q.give characterstics of matter?

Q.give characterstics of matter?

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd