Chemistry, 14.10.2019 00:30 anasstasiyashpa
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sodium is an element found in table salt. it contain 11 protons and 12 neutrons. how many electrons are found in a neutral atom of sodium? a) 11 b) 12 c) 23 d) 1
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Chemistry, 23.06.2019 03:00
A0.100-kilogram apple hangs in a tree 1.50 meter above the ground. ignore frictional effects, the total mechanical energy of the apples is
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Chemistry, 23.06.2019 04:30
Two liquids are poured into a beaker. after a few seconds, the beaker becomes warm. which of the following best describes this reaction? a. an exothermic reaction b. a decomposition reaction c. an endothermic reaction d. a single-displacement reaction
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Chemistry, 23.06.2019 06:00
Is the flow of energy during vaporizing more like the flow during melting or during freezing
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Chemistry, 23.06.2019 10:20
An engineer wishes to design a container that will hold 12.0 mol of ethane at a pressure no greater than 5.00x10*2 kpa and a temperature of 52.0 degrees celsius. what is the minimum volume the container can have?
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sodium is an element found in table salt. it contain 11 protons an...
sodium is an element found in table salt. it contain 11 protons an...
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