dTishiredAndrab dTishiredAndrab

10-02-2017
Chemistry

contestada

How is a chemical change different from a physical change?

Respuesta :

10-02-2017

A physical change in a substance doesn't change what the substance is. In a chemical change where there is a chemical reaction, a new substance is formed and energy is either given off or absorbed.

Answer Link

Otras preguntas

Consider a hypothesis test in which the significance level is a = 0.05 and the power of the test is 0.65. What is the probability of making a Type II error? A)0

Which of the following is the BEST title for the concept map shown above? A. sexual reproduction in humans B. mitosis in humans C. meiosis in humans D. sex cell

Check What are the possible names of the angle shown here? Select all that apply. O 22 ZRTS 2 V S R TSR R O ZRST

I need the answer asap

Hi guys... so as you know my account got hac ked a few days ago and the person took all of my points and brailiests but when i got to have my account back i fin

Helpppppp I NEED THIS HELP

What do you think schools should do to keep good teachers?

00:00 Find the unknown side length. Round to the nearest tenth. Enter your answer in the box. 5 ft 25 ft About ft

What changes occurred in the United States as a result of the cotton gin?

Andres buys a new scooter. He goes 8 Km north from the beach. He then travels 5 Km to the east. Then chases a friend 8 Km north. What distance did he cover? Wha