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Chemistry, 20.06.2019 18:04
Acompound is found to contain 6.1% hydrogen and 93.9% oxygen. find itās empirical formula.
Answers: 2
Chemistry, 22.06.2019 12:40
Consider the directing effects of the substituents on salicylamide and predict the possible structures of the iodination products. which do you think will be the major product?
Answers: 1
Chemistry, 22.06.2019 16:30
How many moles of sulfuric acid (h2so4) are needed to react completely with 6.8 moles of lithium hydroxide (lioh)? 2lioh + h2so4 ā li2so4 + 2h2o a. 3.4 mol h2so4b. 6.8 mol h2so4 c. 10.2 mol h2so4 d. 13.6 mol h2so4
Answers: 3
Chemistry, 22.06.2019 18:00
What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; Ī“hvaporization = 3.67 j/mol; Ī“hfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. ā12.4 j ā3.51 x 102 j 1.24 x 101 j 351 j
Answers: 1
How do you count sigma and pi bonds?...
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