The copper wire glows red. Once it cools...the copper reacts with the air to produce copper(II) oxide. This is shown by the black tarnish on the copper wire.
27ml
Atomic mass of copper is 63. 546amu where amu is Atomic mass unit
Copper can be found on the Periodic Table of Elements. Copper's symbol is Cu, and the atomic number is 29. The atomic mass is hard to find searching the Internet, but here it is. The atomic mass for Copper is 63.546, also recognized as just 63.Atomic Number: 29Atomic mass: 63.546, or just 63**Note: The atomic mass for Copper and some other chemicals cannot be found on WebElements.
The mass is 890,9 g for the anhydrous copper(II) nitrate.
27cm3 x 7.85g/cm3 = 211 g
You cannot. You need the mass of the piece of copper.
89.2g
The copper wire glows red. Once it cools...the copper reacts with the air to produce copper(II) oxide. This is shown by the black tarnish on the copper wire.
q = mass * specific heat * change in temperature 428 joules = (mass)(0.385 J/gC)(25o C) = 44 grams copper ============
27ml
Its volume is 27cm3
63.546 is the gram atomic mass of copper.
The atomic mass of copper is 63.55.
It is: 3 cm
Atomic mass of copper is 63. 546amu where amu is Atomic mass unit
The density of copper is 8.94 grams per cm3. The mass will depend on the volume of the "lump" of copper.