askgeorge askgeorge

02-03-2017
Chemistry

contestada

what are four indications that a chemical reaction bay be taking place

Respuesta :

MartynBH MartynBH

02-03-2017

When a chemical reaction takes place it changes the composition of the reactants. The ways to tell if a reaction is occurring are,
1-Release of heat
2-Production of a gas
3-Formation of a precipitate
4-Change in color

Answer Link

Otras preguntas

Calculate how much work you need to move the 130 N trunk to a ledge 2 m above.

Similarities between dance drama and other forms of drama

Louann and Carla received equal scores on a test made up of multiple choice questions and an essay. Louann got 14 multiple choice questions correct and received

R(p)=-1/2p^2+1900p at what prices p is revenue zero?

Which word in the sentence is an indirect object?Choose all answers that are correct.Give Ben and his cousins a snack before bedtime. A.cousins B.snack C.Ben

What is the reason for cleaning dishes, utensils, and food preparation surfaces?

what evidence is there to show that changing sand to glass is a chemical change

graphs are used to show how the responding variable changes in response to the ------------------- variable.

what is 5,900 round to the nearest thousand

Dave earns $150 per week plus 3.8% commission.he sold $4175.68 in the month of February. What is his gross monthly earning for february?