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Problem- Liquid butane is stored in cylinders to be used as fuel. Suppose 35.5 of butane gas is removed from a cylinder. How much heat must be provided to vaporize this much gas? The heat vaporization of butane is 21.3 KJ/mol.
I am in urgent need of solution of above problem with complete explanation
Phosphate systems form essential buffers in organisms. Calculate the pH of a buffer made by dissolving 0.80mol of NaOH in 0.50L of 1.0M H3PO4.
Pyridine is a weak base that is used in the manufacture of pesticides and plastic resins. It is also a component of cigarette smoke. Pyridine ionizes in water as follows
A cylindrical glass tube 13.3 cm in length is filled with mercury ( density= 13.6 g/mL ). the mass of mercury needed to fill the tube is 107.5 g. calculate the inner diameter of the tube.
Explain how carbon NMR distinguishes the 3 isomers1, 2-dimethylbenzene, 1, 3-dimethylbenzene and1, 4-dimethylbenzene. Explain why are they difficult to distinguish using proton NMR
It takes 485 J of energy to raise the temperature of 104.1 g mercury from 20.0°C to 53.5°C. Calculate the specific heat capacity and the molar mass capacity of mercury.
if 24.6 grams of lithium react with excess water how many liters of hydrogen gas can be produced at 301 kelvin and 1.01
The Kp for the reaction is 4.3X10^-4 at 648K. Determine the equilibrium partial pressure of NH3 in a reaction vessel that initially contained 0.900atm N2 and 0.500 atm H2 at 648K
write the charge balance for a solution containing H+, OH-, Ca+, HCO3-, Ca(HCO3)+, Ca(OH)+, K+ and ClO4-
Question- Calculate the pH of a solution made by mixing equal volumes of a solution of NaOH with a pH of 11.40 and a solution of KOH with a pH of 10.30. Assume the volumes are additive.
Give equations to show how sulfuric acid can convert 4-methylcyclohexene into a mixture of four isomeric C7H12 compounds (include starting material). Predict the relative amounts of each isomer.
How much heat is released when 105g of steam at 100.0 degrees celsius is cooled to ice at -15.0 degrees celsius? The enthalpy of vap of water is 40.67kJ/mol, the enthalpy of fusion for water is 6.01kJ/mol, the molar heat capacity of liquid water
What intermolecular forces are present in Ethyl Alcohol and why does it have a lower boiling point than water (h2o)
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