PrincessAnna00 PrincessAnna00

04-04-2016
Physics

contestada

Is the formation of rust on an iron nail a chemical change or a physical change? Explain your answer.

Respuesta :

jillimitchell jillimitchell

04-04-2016

it is a chemical change because you cannot undo rusting and a new substance- the rust- is formed

Answer Link

Otras preguntas

A triangle with all sides of equal length is a/an _______ triangle. A. right B. scalene C. equilateral D. isosceles

Find the slope of the line passing through a pair of points

HELP ME ASAP! What is the slope of this line? Enter your answer in the box.

Once the plague became airborne, how could it then be spread?

Janie has $3. She earns $1.20 for each chore she does and can do fractions of chores. She wants to earn enough money to buy a CD for $13.50. Write an inequality

PLEASE HELP ASAP! I'm not good math and I'm lost.

Louis wants to carpet the rectangular floor of his basement.the basement has an area of 864 square feet.the width of the basement is 2/3 it's length. what is th

Which of the following is true regarding osmosis in bacteria cell?

1. The _______________________ is the thinnest part of the earth. 2. The ______________________ is the thickest part of the earth. 3. What metals are mentioned

What does the consumer price index measure? A. the change in prices of all goods and services over time B. the change in prices of specific goods and services