02-01-2022
Chemistry

contestada

how do we differentiate chemical change from physical change

Respuesta :

Betimak Betimak

02-01-2022

Answer:

Chemical change :has change in mass, heat is needed, new element is formed, hard to reverse.......

Physicalchange:does not have change in mass, heat is not necessary, no new element is formed, easy to reverse

Answer Link

Otras preguntas

All of the following were provisions of the Constitution as originally ratified EXCEPT (A) indirect election of senators (B) the counting of three fifths of sla

The main difference among the types of symbiotic relationships is a. how many species either beneﬁt or are harmed. b. how many species are eaten. c. how many sp

Waves that move matter back and forth are called a.transverse waves b.longitudinal wave c. Medium wave

How do you factor k^2-k-56

The mean distance from Saturn to the sun is 9 times greater than the mean distance from Earth to the sun. How long is a Saturn year?

If vascular plants have so many advantages, why do you think nonvascular plants still exist on earth today?

All of the following were provisions of the Constitution as originally ratified EXCEPT (A) indirect election of senators (B) the counting of three fifths of sla

If the edges of a cube add up to 4 feet in length, what is the volume of the cube?

If the edges of a cube add up to 4 feet in length, what is the volume of the cube?

Two long tubes of muscle that lead from the stomach and help absorb food are the _____ and the_________ .