Answer:pressure
Explanation:
Volumen and temperature change but pressure doesn’t
Basically, the graph shows a linear (line) relationship with mass and volume. The slope will equal the density of the substance because mass/volume is the equation for density. Your paper is a bit unclear, but I can understand this much, Hope this helped a little bit :)
I'm going to have to say A. My reason to that is because when you leave a cup of hot cocoa (assuming its hot), it gives off the heat (exothermic) the
?? Is that the whole question?
3-ethyl-5,6-dimethyloctane
3-ethyl-2,3-dimethylpentane
