Clueless2000 Clueless2000

01-09-2017
Chemistry

contestada

a substance undergoes change. Which Of the following indicates that the change was a chemical change?

a. the substance changed state.
b. the molecules of the substance changed
c. the substance changed shape.
d. the density of the substance changed.

Respuesta :

travis4215 travis4215

03-09-2017

the answer is bthe molecules of the substance changed

Answer Link

Otras preguntas

how long does it take to cook fries

Harry pays $3.50 sales tax on a $70 item. What is the sales tax rate?

Brittany says that to determine the distance between 180 and 34, you can just subtract 180 - 34. Is it true in this case? Why or why not?

How do you write 2y=3(-x+5) in standard form ?

7.) Nate has $267 in bills. None of the bills is greater than $10. He has eleven $10 bills. He has seven fewer $5 bills than $1 bills. 7a.) How many $5 and $1 d

How is the nitrogen cycle important to humans? A. It produces free nitrogen that humans can breathe. B. It converts nitrogen into a form that humans can obtain

What is the estimate of 19.7-6.9

The common era dating system includes everyone because it is a _____ way of defining time. Select one: a. religious b. complex c. accurate d. secular

Which of the following best describes aerobic respiration? processes that require ATP processes that do not require oxygen and produce ATP processes

What is always used that find a coordinate