If a substance has a large mass and a small volume how dense is it
1 answer:
Answer:
Very dense.
Explanation:
Conceptually, you are taking a large amount of atoms and putting them into a small container. This means the spaces between atoms has to be smaller and the substance is more dense. (see image)
Mathematically, the equation for density is mass divided by volume ( ). If you divide a big number by a small number, you still have a pretty big number (ex 4/2=2 versus 6/1=6)
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Answer:
look at the graph
Explanation:
We know that as temperature increases, solubility increases.So, when there is a rise in temperature, as more solute become dissolved, the saturation point will be lifted and more amount of solute will be needed to reach saturation.
Here, when the temperature was 20oC, 38 g of salt was needed for saturation. As the temperature is increased by 15oC, at 35oC more amount of salt was needed to reach saturation(45g). So a 15oC rise in temperature caused a 7 g rise in the amount of salt needed for saturation. So, if temperature is increased additionally through 10oC, an approximate 4.5 g of salt will be needed more to reach the saturation. That is at 45oC, the amount of salt at saturation will be approximately 49.5 g.
So, the temperature and solubility as well as temperature and amount of salt at saturation are linearly related(directly proportional)
