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kaylaamberd
09.12.2020 •
Chemistry
What is the volume of a sample that has a mass of 20 grams and density of 4 g/mL?
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Ответ:
Explanation:
The volume of a substance when given the density and mass can be found by using the formula
From the question we have
We have the final answer as
5 mLHope this helps you
Ответ:
1) Proportions decreased as it reacted with other elements to form nitrogen. -AMMONIA
2) Proportions decreased as this lighter gas was blown away by solar winds.- HYDROGEN
3) Proportions increased as this gas was released through volcanic eruptions. -WATER VAPOR
4) Proportions increased as plants released this gas into the atmosphere.- OXYGEN
5)Proportions decreased as plants used this gas during photosynthesis.- CARBON DIOXIDE
Explanation:
IT'S RIGHT 100 %