cguerrero cguerrero

28-03-2018
Chemistry

contestada

What methods do scientists use to determine if a change was physical or chemical?

Respuesta :

trishagrannen trishagrannen

28-03-2018

a physical change will not change the chemical make-up of the material. the change will not produce a new substance.

a chemical change will have a reaction that produces heat, light, a change in color, releases a gas, or rust

Answer Link

Otras preguntas

In the COLLEGE MINI CASE, Evenlyn's college counselor is a(n) source of prepurchase information. A. impersonal B. affective C. cognitive D. inert

Explain the procedure for physical examination of thyroid gland for children.

Fix the two plural or possessive errors. Anastronauts'traininginvolvesmuchmorethanjustacademicstudies' Beforebeginningspacetrainingforinstanceanastronautmustbea

Information regarding a specific job opening is a _____. Responses meta search meta search targeted job targeted job job lead job lead classified ad classified

For the current tax year, S corporation BVX Inc. has $300,000 gross receipts from business, $15,000 net rental real estate loss, $4,000 portfolio interest incom

5g of lime is produced if 25g of lime stone is roasted. what is % yield a. 25% b. 50% c. 60% d. 75%

Simplify Area = √[(√70 (√28)/2)(√70 - √70)(√70 - √70)(√70 - √28)]

Fix the two plural or possessive errors. More tornadoes occur in the U. S. than anywhere else in the world. While many occur in Tornado Alley, a large area of l

this does not help just give me an answer a b c or d come on man

On a particular day. Denali had a temperature of -23°C at its peak and 13°C at its base. What could be the reason for this temperature difference? A. Temperatur

ACCESS MORE EDU ACCESS