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

At what stage does the umbilical cord develop?during the first trimesterduring the second trimesterduring ovulationduring fertilization

Jack has a photography studio. He provides high-resolution images on a disc to all his clients. What step should Jack take before handing over the images? provi

All the answers please on paper and work

You purchase 20 shares of common stock at $15.20 per share. a few months later, you sell the shares for $10.12. no dividends were paid. your stockbroker charges

I need help please!!!!

Jenna uses 18 inches if ribbon for each box she wraps how many yds of ribbon does she need to wrap 4 boxes

Translate to an algebraic expression. A driver drove at a speed of 63 mph for z hours. How far did the driver go? hint ; the formula is d=rt

Are there any bible verses about children’s education

how do I find angular velocity?

what is the significance of mlk assassination