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 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

HELPPPPPPPPPP PLEASEEEEEEEE!!!!!!
solve the following: given 2pie
what is the most important object people own
HELPPPPPPPPPP PLEASEEEEEEEE!!!!!!
thoroughly explain what you believe to be the three biggest future challenges facing professional sports
Find the lateral and the total surface area of each shape by determining the area of the shapes' net. 5 yd 9 yd 3 yd lateral surface area = total surface area =
40 mL 30 mL 20 mL 10 mL 30 mL 20 mL 40 mL These graduated cylinders are the same size and there is the same amount of water in each. If the red 30 mL 20 mL marb
Apply 6. An airplane is observed by an air traffic controller at an angle of elevation of 52°. The airplane is 850 m above the observation deck e of the tower.
A bond is worth $100 and grows in value by 2 percent each half year. find the value of f(1) = 100 (1.02)²^t
concert The following measurement​