itzmoomoo1 itzmoomoo1

10-11-2020
Chemistry

contestada

What is a sign that a chemical change has happened?
O A. A substance dissolves.
O B. Sound and heat are produced.
OC. A substance changes temperature.
O D. A change of state happens.

Respuesta :

maggie1008 maggie1008

10-11-2020

I believe D is the answer.

Answer Link

Otras preguntas

Nitrosyl chloride, NOCI, dissociates on heating as shown below. When a 1.50 gram sample of pure NOCI is heated at 350°C in a volume of 1.00 liter, the percent d

Throughout an election campaign, the media tends to focus on bringing the two sides together mistakes the candidates make the candidates' families the winner's

SNT-TC-1A is intended as a guideline for employers: a) In the construction industry b) In the field of nondestructive testing c) In the healthcare sector d) In

Which of the following pieces of information may you NOT provide to the family of the arrested person in your domestic violence investigation? A. Type of Charge

Which factor was a major cause of the outbreak of world war i? a. the bolshevik revolution in russia b. competing systems of alliances c. conflict over indo-chi

Pantothenic acid is found widely in food and a deficiency is _______. a) Rare b) Common c) Harmless d) Fatal

In addition to a valid DoD card, vehicle operators may be required to show what other form of identification?

Separate variables and use partial fractions to solve the initial value problem. Use either the exact solution or a computer-generated slope field to sketch th

The receipt given to a life insurance applicant when the application is completed and the initial premium is received is called a(n)a) Policy documentb) Premium

Gumawa ng isang Venn Diagram na patungkol sa panitika at kasaysayan. Ipakitasavenn diagram ang pagkakaiba at pagkakatulad ng dalawana may malakingambagsaestado