Answer:
Cl₂(g) + 2 KBr(aq) ⇒ Br₂(l) + 2 KCl(aq)
Explanation:
Let's consider the unbalanced single displacement reaction between chlorine and potassium bromide.
Cl₂(g) + KBr(aq) ⇒ Br₂(l) + KCl(aq)
We will start balancing Cl atoms by multiplying KCl by 2.
Cl₂(g) + KBr(aq) ⇒ Br₂(l) + 2 KCl(aq)
Finally, to get the balanced equation, we have to multiply KBr by 2.
Cl₂(g) + 2 KBr(aq) ⇒ Br₂(l) + 2 KCl(aq)
Gesso is a white paint blend that comprises pigment, chalk and gypsum. It is a medium utilised for surface preparation and as a primer for a painting.
<h3>What are the uses of gesso?</h3>
Gesso is widely utilized for preparing surfaces and as primers by painters. They were used by painters and artists earlier to make canvas, boards for painting purposes.
It was first formulated by chalk powder dust and pigment derived from the animal skin. They are widely used because of their adhering properties.
The use of the gesso makes the paint adhere to the canvas and the board surfaces and also, makes the surface textured.
Therefore, option b. it is used for preparing the surface is correct.
Learn more about gesso here:
brainly.com/question/1191408
Chemical changes is all that which occurs with the formation of new substances.
Physical changes are all the transformations of matter without altering its chemical composition occurs. Is any phenomenon that occurs without the formation of new substances.
hope this helps!
D. Chemical to thermal and electromagnetic
