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All physical changes can be identified at the macroscopic level? True or false
Answers: 2
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Find the number of grams of hcl needed to react completely with .50 moles of magnesium.
Answers: 1
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To apply in a gold the individual gold atoms are united to each other by means of a metallic bond. how would you use the gold block to determine the atomic radius of a gold atom?
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State one important difference between a physical change and a chemical change?
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Chemistry, 22.06.2019 20:20, Matseleng3775
The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.
Answers: 1
All physical changes can be identified at the macroscopic level? True or false...
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