sergio3rivera sergio3rivera

12-10-2018
Chemistry

contestada

If a copper penny turns green when exposed to air and moisture, it is due to a _ change

Respuesta :

notsoidealxairi notsoidealxairi

12-10-2018

physical change. oxidized

Answer Link

Otras preguntas

How do human diseases caused by bacteria and diseases caused by viruses react to antibiotics?

What is the position of 7 in the number 876,543?

How do I write the equation of the line when using (-4,18)?

accurate estimation of 75-33

3/7 of what number is 9? How am I suppose to figure this out?

A resistance of 10ohm is bent in the form of a closed cirle. What is the effective resistance between the two pints of any diameter of this circle?

Tom has twice as many marbles as Luke. Together they have 39 marbles. How many marbles does Tom have?

Where does friction occur? Can it happen in liquids, air, with solids?

Crops produce the greatest amount of waste, mainly from plant parts not harvested as food. Why are most people less concerned about crop waste than other types

Explain the role of energy in changes of state.