Chemistry, 16.03.2020 22:14 wafflewarriormg
Density of copper is 8.96 g/cm3 and density of zinc is 7.14 g/cm3 . Brass is an alloy made of copper and zinc. You are given a sample of brass with the density of 8.32 g/cm3 . The price of zinc is $1.80/kg and price of copper is $6.13/kg. Determine the material cost for making one ton of the brass sample that you have.
Answers: 2
Chemistry, 22.06.2019 16:00
He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98
Answers: 2
Chemistry, 22.06.2019 22:10
What is the indicator of the number of ions in solution? the amount of conductivity the amount of precipitate the amount of solute added
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Chemistry, 23.06.2019 06:30
The polarity of an oxygen-hydrogen bond is higher than the polarity of a nitrogen-hydrogen bond, allowing amines to be more soluble than alcohols.
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Chemistry, 23.06.2019 10:30
Chemical bonds result from the interaction of the from two or more atoms. a. protons b. electrons c. neutrons d. nuclei
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Density of copper is 8.96 g/cm3 and density of zinc is 7.14 g/cm3 . Brass is an alloy made of copper...
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