Chemistry, 11.12.2019 15:31 einstein101
Why is it necessary to use models to study sub micro scope objects such as atoms and molecules?
a) these objects do not exist in the real world
b)these objects are too far away to see
c)these objects are too small to see
d)objects can only be described mathematically
Answers: 2
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You have 125g of a certain seasoning and are told that it contains 76.0 g of salt what is the percentage of salt by mass in this seasoning
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How many liters of hydrogen gas will be produced at stp from the reaction of 7.179×10^23 atoms of magnesium with 54.219g of phosphoric acid (h3po4) the equation is 3mg + 2h3(> mg(po4)2+3h2
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What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion
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What is the atomic mass of an atom that has 6 protons, 6 neutrons, and 6 electrons? a) 6 b) 8 c) + 1 d) 12 e) 18
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Why is it necessary to use models to study sub micro scope objects such as atoms and molecules?
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