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Chemistry, 22.06.2019 02:30
Based on the equation and the information in the table, what is the enthalpy of the reaction?
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Chemistry, 22.06.2019 07:30
11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg
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Chemistry, 22.06.2019 13:10
Which electron configuration represents the electrons in an atom of sodium in the ground state at stp
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Chemistry, 22.06.2019 16:30
Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u.s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?
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Biology, 27.06.2019 19:50
History, 27.06.2019 19:50
History, 27.06.2019 19:50
Biology, 27.06.2019 19:50
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Computers and Technology, 27.06.2019 20:00
Mathematics, 27.06.2019 20:00
History, 27.06.2019 20:00
Mathematics, 27.06.2019 20:00