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Quiz 3 Chapter 3

Quiz 3 Chapter 3

Q Question 1 When the following equation is balanced, the coefficients are . C8H18 + O2 ? CO2 + H2O Question 2 Of the reactions below, which one is a decomposition reaction? Question 3 1 out of 1 points The formula of nitrobenzene is C6H5NO2. The molecular weight of this compound is amu Question 4 1 out of 1 points The formula weight of potassium dichromate (K2Cr2O7) is amu. Question 5 The mass % of F in the binary compound KrF2 is .

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1.Selected Answer: 2, 25, 16, 18 2.Selected Answer: NH4Cl ? NH3 + HCl 3.Selected Answer: 123.11 4.Selected Answer: 294.18 5.Selected Answer: 31.20