peilveronica995 peilveronica995

01-11-2021
Chemistry

contestada

What is evidence that a chemical change has happened? A. A substance changes into a new kind of substance. B. You observe a color change. O C. The amount of matter increases. D. The temperature of a substance increases or decreases.

Respuesta :

01-11-2021

Answer:

B.change in colour...

I guess that's the answer

Answer Link

Otras preguntas

TIME REMAINING 57:26 s Saved Which structure is used in this excerpt? gan of the order of importance Ochronological nts at the cause and effect rew up problem a

What is the value of the expression (3a-b)/(6(b+a)) when a = 4 and b = -2?

IQ is normally distributed with a mean μ = 105 and a standard deviation σ =15. What percentage of IQ scores are between 100 and 123? a.45% b.52% c.63% d.88%

Jada has $20 to spend on games and rides at a carnival. Games cost $1 each and rides are $2 each. 1. Which equation represents the relationship between the numb

Which mountain ranges are part of the Appalachian System of the Northeast U.S.?Green MountainsRockiesCordillerasAllegheniesAdirondacksWhite MountainsCatskills

We’re the results the same for all the locations in your field study, or different? How do the areas you monitored compare in air pollution? based on knowledge

Describe how a constant volume calorimeter can be used to measure the heat transferred from a burning piece of coal to cool water. Justify your response in two

1 Consider the graph shown below. Find the distance between (16, 0) and (0, 12).

In the 1600s and 1700s, European plantations in the West Indies turned to slavery to fulfill their need for workers. traded goods from Europe to help with costs

What is the side length, s, of the square? Enter your answer in the box. Blue sqaure with area of 81m² m