Question

explain in your own words, what density measures. your answer explain why warm salty water sits below cold fresh water in disko bay. your answer analyze the graph of two liquids. which statement best describes and explains which liquid would sink to the bottom if both were placed in a container? mass and volume of two liquids mass liquid a (g) = 1.8x + 0.543 mass liquid b (g) = 0.709x + 0.084

Explanation:

Density measures how much mass is packed into a given volume. A higher - density substance has more mass per unit volume. Warm salty water is denser than cold fresh water because salt increases mass without much volume change and cold water is more compact (higher density due to temperature - related molecular arrangement). In a container, the liquid with higher density will sink as denser substances are pulled down more strongly by gravity.
For the graph - based question, we would need to calculate density (density = mass/volume) for each liquid using the equations given for mass as a function of volume. The liquid with the higher density would sink. But since we don't have the full graph details for calculation, conceptually the denser liquid sinks.

Answer:

1. Density measures the amount of mass per unit volume of a substance.
2. Warm salty water sits below cold fresh water in Disko Bay because warm salty water has a higher density. The salt in the water adds mass, and the warm temperature doesn't significantly increase its volume compared to the density - increasing effect of the salt. Cold fresh water has a lower density as it is fresh (no salt mass addition) and cold water molecules are more closely packed.
3. The liquid with the higher density would sink to the bottom if both were placed in a container. To determine which one that is from the graph, we would calculate density for each liquid using the mass - volume relationships given (density = mass/volume) and compare the results.