copper oxide...
The molar absorptivity of copper is a measure of how well copper absorbs light at a specific wavelength. It impacts the analysis of copper-containing compounds by helping to determine the concentration of copper in a sample based on the amount of light absorbed. A higher molar absorptivity means that copper can be detected at lower concentrations, making the analysis more sensitive and accurate.
copper is a substance
the copper must have combined with another substance.
The compound containing copper and sulfur is called copper(II) sulfide.
A simple voltaic cell or battery is formed when a copper wire is coiled around a metallic substance (such as iron) in a bath containing an electrolyte solution. The chemical reaction between the metal, electrolyte, and copper wire generates an electric current.
The darks substance is copper oxide, formed when the copper reacts with atmospheric oxygen.
Yes, copper is an element, which is a pure substance.
it is substance
The colour of any sample containing copper ions burns with a bluish green flame in the flame test.
Copper wire is a pure substance, as it is made entirely of copper atoms.
Copper wire is a substance because it is made up of a single type of material, which is copper. It is not a mixture of different substances.
An increase in the average kinetic energy of a sample of copper atoms occurs with an increase in temperature. Temperature is a measure of the average kinetic energy of the particles in a substance, so as temperature increases, the particles (such as copper atoms) gain more energy and move faster, which increases their kinetic energy.