By crushing the salt, you are performing a physical change because you aren't altering the chemical makeup of the salt, just the physical form. Hope this helps! :)
Answer:
solid
Explanation:
in the solid state the material will has a fixed shape and volume whatever the container that contains it
where in liquid the shape will be different depending on the container
and in gas state the shape and volume are not definite
Answer: anserw is and b nuti have do look in answer book for this one
Explanation:
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Answer:
c
the cycling of water in and out of the atmosphere
Answer:
The specific gravity of the rock with respect to water is equal to 3
Explanation:
To solve the question, we list out the variables as follows
Mass of rock = 6 grams
Mass of equal volume of water = 2 grams
Specific gravity or relative density is the mass of a unit volume of a substance divided by the mass of an equal volume of a reference material.
Specific gravity = (mass of substance)/(mass of equal volume of water)
Therefore the specific of the rock sample is = (mass of cube of rock sample)/(mass of same-sized cube of water)
= (6 grams)/(2 grams) = 3
The specific gravity of the rock = 3
