Answer:
Carbon dioxide is a gas because the particles surrounding it are more spread out and free from each other. Water is a liquid because the particles are partially spread out and have a medium space to move around. And due to the room temperature, salt's particles can either be hot and move rapidly, or be cold and not move rapidly.
Explanation:
Subscripts cannot be changed because they are the ratio of the amount. And as we know, in a chemical equation/reaction, mass cannot be created nor destroyed. Therefore, we cannot change subscripts, however, we could change coefficients. <span />
Answer:
A
Explanation:
4 grams reactant U+3 grams reactant V to 7 grams product W
Answer: the upper right portion of the periodic table.
Explanation:
It’s the process of detecting a change of a objects position relative to its surroundings