Which of the following chemical reactions is a single displacement reaction?
A. 2Na + O2
Na o<...
Chemistry, 23.07.2020 09:01 hihihi129473838
Which of the following chemical reactions is a single displacement reaction?
A. 2Na + O2
Na o
B. Pb(NO3)2 + 2KBr → PbBr2 + 2KNO3
C. 2Fe(OH)3 Fe2O3 + 3H20
D. 2A1 + 3Zn(NO3)2 2AI(NO3)3 + 3Zn
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Which metal exist in liquid state and can be cut with knife ?
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Chemistry, 22.06.2019 13:50
Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.
Answers: 3
Chemistry, 22.06.2019 14:30
Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?
Answers: 1
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