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

An aircraft has a liftoff speed of 33 m/s. what minimum constant acceleration does this require if the aircraft is to be airborne after a take-off run of 240m?

Which of the following did NOT grow or increase as a result of early farming? villages trade life spans cities

Write equation in function form y-3x-11=0

what is this number in word form 3,152,308,726

Among other things, the romantics valued: a. individualism, the belief in the uniqueness of each person. b. socialism, a system in which society owns and contr

What are the natural resources in venice,italy?

The most commonly spoken language in the Fertile Crescent around the time of Jesus was

kilo- - 1,000deka- - 10How much larger is a kilo- than a deka-?

Which best describes Germany’s standard invasion strategy at the beginning of World War II?a. Attack with a combination of speed and overwhelming forceb. Intimi

what is the value for the expression -5+ 5