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

Serous membrane is what type? Epithelial or connective?

What energy is transfomed that takes place you lifting a chair?

A rectangular bedroom floor has an area of 100 square feet and a length of 10 feet. What is the perimeter of the floor?

A rectangular bedroom floor has an area of 100 square feet and a length of 10 feet. What is the perimeter of the floor?

Approximately how many miles apart are Petrograd and Moscow ? A. 200 B. 350 C. 500 D. 650

How many “dots” would be around the central atom in the Lewis structure of S? A) 5 B) 6 C) 7 D) 4

6x squared plus 12x plus 13 equals 2x squared plus 4

what is the first 12 numbers in pi?

What is a fraction name for 4

Add and simplify 9/16 + 1/2= ?