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

Fixed assets. A a building is one example. B spreading costs over time

Which correlation coefficient could represent the relationship in the scatterpot. Beach visitors

Blood is pumped from the heart at a rate of 5.0 L/min into the aorta (of radius 1.0 cm). Determine the speed of blood through the aorta in units of m/s

Find the equilibrium price and quantityfrom given demand and supply FunchonQd = 400-4p and Qs = 6p-10

A circle has an area of 30in². What is the area of a 60° sector of this circle?

How does McBeth feel about the witches predictions?

Polynomial Total Number of Roots Maximum Number of Complex Roots 603 - 8.02 +53 +1 = 0 -4,3 - 2 + 5 = 404

How does the graph of g(x) = (x + 2)3 − 7 compare to the parent function of f(x) = x3? g(x) is shifted 2 units to the right and 7 units down. g(x) is shifted 7

Plot the image of point D under a dilation about point P with a scale factor of 1/3

which statement correctly describes the angle bisector construction shown below