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

the ratio of male to female is 5 to 3. if there are 400 males, how many female are there?
Complete this statement: “American Indians and pioneers ___________.” Check all of the boxes that apply. were always fighting each other often had different ide
Which has been most important in the development of government in the united states?
Solve for g. 2g = -7g + 9
How is parallelism used hear to strengthen the argument
Which number is NOT written in scientific notation? 6.7*10^3 3*10^-8 8.1*10^-5 25.67*10^
80% of a number is x. What is 40% of the number?
What contributions did Ambroise Pare make to modern medicine?
Read the excerpts from Samuel Johnson’s preface to A Dictionary of the English Language. In both excerpts, the word endeavour means to probe, investigate, or ex
Need help with number 2