Jadybug2542 Jadybug2542
  • 11-12-2017
  • Chemistry
contestada

Is erasing a pencil mark a chemical or physical change?

Respuesta :

allisonmetz0608 allisonmetz0608
  • 11-12-2017
Physical change because the eraser doesn’t have an chemical reaction to it.
Answer Link

Otras preguntas

PLEASE THINK ABOUT THIS AND EXPLAIN FULLY :) A 2-kg object accelerates as a net external force is applied to it. During the 5-second interval that the force is
Prove that sin^2A/cos^2A + cos^2A/sin^2A = 1/cos^2A*sin^2A - 2
How many molecules of glucose are present in 1273 g. CaHlz0s?
Given P(A and B) 0.20, P(A) 0.49, and P(B) = 0.41 are events A and B independent or dependent? 1) Dependent 2) Independent
how do you find the vertex of this equation: y = 6x-x2​
When tightening a bolt, you push perpendicularly on a wrench with a force of 165 N at a distance of 0.140 m from the center of the bolt?
In 1736, Euler represented the Knigsberg bridge problem as a graph, marking (as recorded) the birth of graph theory. True False
The two windings of transformer is: a)- Conductively linked. b)- Not linked at all. c)- Inductively linked d)- Electrically linked.
In an array list the time complexity of the remove function is identical to the time complexity of the ____ function. A. insert B. isEmpty C. isFull
Values that are sent into a function are called _________. Program Output