<span>Physical properties are any properties of matter which can be perceived or observed without changing the chemical identity of the sample.</span>
Answer:
The reaction that occurs is a redox reaction. The Copper metal (Cu 0)on the copper pennies is oxidized in concentrated nitric acid to produce Cu2+ ions. Copper is easily oxidized to Cu2+, which is blue in aqueous solutions (water) so you should see the solution turn blue as the copper penny reacts.
Have a nice day ;)(^-^)
I think its 5 I have not learned this so it is my best guess
236 I DONT KNOW I AM TOTALLY THAT IS NOT THE ANSWER
Answer:
it's harmful
Explanation:
it's harmful to our environment it can endanger our planet and endangered animal species it can also kill lots of plants and we have a hard time burning fossil fuels with limited factories which costs a lot of money.
