CH 151 Practice Problems 5. Benzene, C6H6, is a known carcinogen that burns in air according to the following equation: 2CH() +150,(g) - 12C0₂(g) + 6H₂O(g) a. What is the mole ratio of O₂ to C6H6? b. How many moles of O₂ are required to react with each mole of C6H6? c. How many moles of O₂ are required to react with 0.38 mol of C6H6? 6.

Question: Draw Lewis structures for the benzene molecule ( C6H6 ) in the first Marvin window and the ethylene molecule ( C2H4 ) in the second Marvin window. If there are equivalent resonance forms, draw all of them, but do NOT draw resonance arrows. (a) What is the bond order of the C-C bonds in the benzene molecule?

2 C6H6(l) + 15 O2(g) → 12 CO2(g) + 6 H2O(g) _____mol O2 Benzene (C 6 H 6 ) burns in air according to the following equation shown below. How many moles of O 2 are required to react with 0.83 mol of C 6 H 6 ?

When 0.963 g of benzene, C6H6, is burned in a bomb calorimeter, the temperature of the calorimeter (and the water it contains) increases by 8.39∘C. The calorimeter has a heat capacity of 784J∘C and is submerged in 925 mL of water. How much heat was produced by the combustion of the benzene sample, in kilojoules? Assume the density of water ...

Question: How many grams of benzene, C6H6, can be melted with 18.7 kJ of heat energy? The molar heat of fusion of benzene is 9.95 kJ/mol

The enthalpy of vaporization of benzene, C6H6, is 30.8 kJ/mol. How much energy is needed to boil 5.46 mol of C6H6? Express your answer to four significant figures with proper signs.

Benzene, C6H6, reacts with oxygen, O2, to form CO2 and H2O. How much O2 is required for the complete combustion of 1.0 mol C6H6? There are 2 steps to solve this one.

Question: Given the following information for benzene, C6H6: melting point 5.5°C ΔΗ fusion Cliquid 9.95 kJ/mol 118 J/(g°C) 135 J/(g°C) kj Csolid What is the enthalpy change, in kJ, when 143.6 g C6H6 liquid at 45°C freezes and forms C6H6 solid at -27.3°C?

Question: Calculate the molar mass of each compound given below. a) C6H6 Number g mol b) C15H2202 Number g mol

Question: The carbon-to-carbon bond lengths in benzene, C6H6, are Select one: a. all equal to a typical C-C single bond b. all equal to a typical C=C double bond c. of different lengths: half are longer than a typical C-C single bond and half are shorter than a typical C=C double bond) d. all the same length: all longer than a typical C-C single bond but shorter than