vibessslol21 vibessslol21
  • 02-12-2020
  • Chemistry
contestada

Please answer correctly !!!!!!!!!!!!!!! Will mark brainliest !!!!!!!!!!!!!!!!!!!!

Please answer correctly Will mark brainliest class=

Respuesta :

AliOlmedo AliOlmedo
  • 02-12-2020

Answer:

i dont have an answer for sure because it doesnt specify WHAT its energy chang occurs but i think its physical change

Explanation:

Physical changes only change the appearance of a substance, not its chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions.

examples of chemical change:

burning a fire

boiling an egg

digestion

examples of physical change:

melting ice

rusting

breaking a pencil

hope i helped!!

Answer Link

Otras preguntas

Which formula represents a polar molecule? (1) Br2 (3) CH4 (2) CO2 (4) NH3
V=4/3πr^3 with 5 inches radius
An oxygen molecule contains a double bond because the two atoms of oxygen share a total of (1) 1 electron (3) 3 electrons (2) 2 electrons (4) 4 electrons
The relationship between capacity fluid ounces
Which pair of symbols represents a metalloid and a noble gas?(1) Si and Bi (3) Ge and Te (2) As and Ar (4) Ne and Xe
What is the total number of electrons in a Cu+ ion? (1) 28 (3) 30(2) 29 (4) 36
Solve: 2a-3b=52a−3b=5 a+b=10
Which 0.1 M solution contains an electrolyte? (1) C6H12O6 (aq) (3) CH3 OH(aq)(2) CH3 COOH(aq) (4) CH3 OCH3 (aq)
which factor will decrease in response to increased cardiorespiratory fitness
At STP, which 4.0-gram zinc sample will react fastest with dilute hydrochloric acid? (1) lump (3) powdered(2) bar (4) sheet metal