liayad16 liayad16

01-06-2018
Chemistry

contestada

What are the four observations that confirm that a chemical reaction is happening?

Respuesta :

Raven678 Raven678

01-06-2018

1.) Precipitate is formed
2.) Odour
3.) Heat is emitted ( change in temperature)
4.) Formation of a Gas

Answer Link

Otras preguntas

if we were going to represent the top view of the figure state which boxes should be shaded

Martha is making a scarf for her sister each day she knits 1/6 of a scarf what fraction of the scarf will be complete after three days

What is a short-term health benefit to quitting drug use? A, Decreased blood glucose level B. Decreased white blood cell count C. Increased immunity agains

PLEASE HELP I NEED THIS NOW!!!!!!!!!!!!!!Read the excerpt from "Rhapsody on a Windy Night." Twelve o'clock. Along the reaches of the street Held in a lunar s

In general a personal essay should be no longer than

what is the total number of joules released when a 5.00-gram sample of water changes from liquid to solid at 0 degreesC

Three parcels weigh 2 pounds. Two parcels weigh the same. The lightest weight is 5/8 pound lighter than the heaviest weight. How much do each of the parcels wei

When a cool object is placed in direct contact with a warm object , describe the flow of energy

Why are all irrational numbers real numbers.

Animals conduct certain behaviors in mating. Some practice _____, in which one male breeds with only one female, and others practice _____, in which one male br