True... atoms contain what are called electrons and protons. the protons being possitively charged and the elctrons being negatively charged
Since the colors moved faster in the hit water, it means that the water molecules in the hot water move faster than the molecules in the cold water.
Answer:
1.1 g Na2SO4
Explanation:
First convert mL to L. Then multiply by the Molarity to get moles, then multiply by the molar mass to get grams.
15 mL x 1 L x 0.50 mol Na2SO4 x 142 g = 1.1 g
10^3 mL 1 L mol Na2SO4
Biologists study biotic factors, and all other living things.