janayawright292007 janayawright292007

13-10-2020
Chemistry

contestada

When a log burns in a fire, a a physical change has occurred. b mass is gained. c new substances are formed.

Respuesta :

tristinlowe07 tristinlowe07

13-10-2020

Answer: technically it is chemical and physical change

Explanation: chemical bc it’s burning and physical bc it’s going from a log to ashes

Answer Link

LilDinoZephyrine LilDinoZephyrine

13-10-2020

Answer:

C! New substances are formed.

Explanation:

The burning log will release carbon dioxide, which is a new substance that was never there in the first place.

Answer Link

Otras preguntas

List the term(s) in the following expression: 2x2–5xy + 8y4

What are the variables in the expression 2w + 11t + 4y

On January 1, 2020, Sheridan Company sold 10% bonds with a face value of $2750000. The bonds mature in five years, and interest is paid semiannually on June 30

[tex]If one factor of the expression x^{4} - ax^{3} + 5x - a + 8 is x-a then the value of a is?\\[/tex]

express 33 1/2% as fraction

A cylinder with a height of 6 1/2 inches (in.) and a diameter of 5 inches is shown. What is the volume of the cylinder, in cubic inches? (Use 3.14 for π.) cubic

help !!!..................................................................A teacher was making preparations for a mock parliament. She calledtwo students to act

Following are transactions for Valdez Services, a company owned by Brina Valdez. Brina Valdez invested $27,300 cash in the company in exchange for common stock.

A deck of cards is shuffled and then divided into two halves of 26 cards each. A card is drawn from one of the halves; it turns out to be an ace. The ace is the

Jane and five friends go on a camping holiday together for a week, The 6 friends will share the costs of the holiday equally. Here are the costs of the holiday