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Kealeboga
Questions (2)
Given that cosA=4/5 and sinB=15/17 where A and B are acute angles,find the value of cos(A-B)
2 answers
1,502 views
Given that 1mole of propane react with 5 moles of Oxygen.find the number of moles of Oxygen reacted with 2.2g of propane
1 answer
487 views
