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When cyclohexane (C6H12) is burned in excess oxygen to produce carbon dioxide gas and liquid water, it releases 3919kJ of heat per mole of cyclohexane burned. A) Write the balanced chemical equation that corresponds to this reaction. B) If 15g cyclohexane is burned in a calorimeter with a heat capacity of 230kJ/K, what temperature change do you expect (assuming that all the heat is deposited in the calorimeter)? C) How much heat is associated with the production of 5.5g water? D) What is the (Delta H(f)) of cyclohexane, given that the (delta H(f)) of H20(g) is -242 kJ, the (delta H(f)) of CO2(g) is -393.5kJ, the reaction CO2(s)=CO2(g) has a (delta H) of 25.2kJ and the reaction H20(l)=H20(g) has a (delta H) of 44kJ.
How many milliliters of a 0.150 M magnesium hydroxide solution are needed to neutralize 1.985 L of a hydrochloric acid solution that is 0.5408 M
Which one of the following is a poor aprotic solvent for an SN2 reaction? A) CH3SOCH3 (DMSO) B) CH3OH C) C6H6 D) CH3COOH E) CH3CN
Using a reasonable range of temperatures, determine the apparent (or global) activation energy of NO formation during a combustion process
With wet beriberi, peripheral vessels dilate and cardiac muscle looses its contractility. also, alpha-ketoglutarate is found in high concentrations. this is thought to be caused by
Distinguish between a bonding orbital and an anti bonding orbital in terms of their contributions
Sketch bonding orbitals that result from combinations of the following orbitals on separate atoms (a) pz and dz2 (b) s and pz (c) dx2-y2 and dx2-y2
Which starting material is the limiting reagent in this procedure? Which reagent is used in excess? How great is the molar excess (how many times greater)?
A syringe containing 1.64mL of oxygen gas is cooled from 95.9°C to 0.8°C. What is the final volume of oxygen gas?
Iranian President Mahmoud Ahmadinejad has a mass of 130 lbs. If Iran abandoned it's nuclear energy program and instead converted its President entirely to energy
the exhaled air contains 6.2% H2O and 15.3% O2 by volume. How many moles of H2O are expelled from the body each minute? How many moles of O2 are absorbed by the body each minute?
Write the structure for the quinoxaline derivative obtained when benzil is the reactant. Do you think this compound would be coloured? If so, why?
How many grams of dry NH4Cl need to be added to 2.50 L of a 0.100M solution of ammonia, NH3, to prepare a buffer solution that ahs a pH of 8.80?
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