reynbabies2 reynbabies2

03-11-2021
Chemistry

contestada

How can you identify gas in a chemical reaction without observing the atoms or molecules?

Respuesta :

sarahjeylani90 sarahjeylani90

03-11-2021

Answer:

There are five signs of a chemical change:

Colour Change.

Production of an odour.

Change of Temperature.

Evolution of a gas (formation of bubbles)

Precipitate (formation of a solid).

Answer Link

Otras preguntas

Senario: 2 years ago, a fruit was smuggled into California on a plane from an exotic, far away land. The homeowner saw that the fruit had maggots and tossed it

Decisions related to _____ are considered semistructured decisions at the operational management level of an organization.

Solve for x. Round to the nearest tenth, if necessary.

Read the excerpt below and answer the question. There would be recesses in my mind which would be only mine, to which he never came, and sentiments growing ther

(x+2)(x+3)(x+4)x(+5)-48

To provide energy for the work that cells do, all cells need

Promotion is one of the 4P‘s of marketing. The promotion mix is ___??

the flowers of the ____ bloom with sunrise and close with sunset.

You are working several plans and community organizations to sponsor an educational event. When putting together advertisements for this event, what should you

fill in the blanks with 'a', an' or 'the' where necessary . a) Rosy wants to buy new dress. a) ab) anc)the