Asample of tin (cp = 0.227 j/g•°c) is placed in a freezer. its temperature decreases from 15.0°c to −10.0°c as it releases 543 j of energy. what is the mass of the sample? round your answer to three significant figures.

What is the correct term for living the most sustainable life you can within your current circumstances?

Summarize possible ways in which phases of matter could combine to form a solution.

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this