Chemistry, 04.12.2020 14:00 chasechevy13
Why are the three most abundant elements (hydrogen, helium, oxygen) in the universe and the five most abundant elements(Oxygen, Silicon, Aluminum, Iron, and Calcium) on Earth different? What happened as the Earth formed, or since that time, to change the composition of the Earth?
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Water molecules have a strong attraction to each other because of hydrogen bonding, allowing water to move against gravity up a plant's stem through capillary action. true false
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21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8
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What is the measured amount of a product obtained from a chemical reaction?
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How can you write e method for the experiment of separating sand from water by filtration process? 1-materials 2-steps 3-conclusion also the same for the separating process of water and salt by filtration or distillation. quick because i need to finish my hw
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Why are the three most abundant elements (hydrogen, helium, oxygen) in the universe and the five mos...
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