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Calculate the total heat required (in joules) to convert 3.95 grams liquid ethanol (C2H5OH) at 25.0 °C to gas at 95.0 °C, given that the boiling point of ethanol is 78.5 °C, heat of vaporization is 40.5 kJ/mol, the specific heat of liquid ethanol is 2.45 J/g-K, and the specific heat of gaseous ethanol is 1.43 J/g-K
How do you estimate energy change using bond reactions in a complete methane combustion
The statements in the following multiple choices deal with various aspects of the relationship between vapor pressure and intermolecular forces. Choose the statement which is true.
What are some reasons why there would be a difference between the expected and actual values for the moles of copper oxide produced from heating copper in the air.
The carbohydrate glyceraldehyde is shown below in several different Fischer projections. Sort the structures according to whether the Fischer projection represents glyceraldehyde
compressed isothermally from 230 K and 150 kPa, and its entropy decreases by 15.0 J/K. Find the final pressure and DG for this process.
A hydrogen atom with an electron in its ground state interacts with a photon of light with a wavelength of 1.22 × 10-6m. Could the electron make a transition from the ground state to a higher energy level?
determination of the partial pressures of the gases.a mixture of cs2nbspg and excess o2nbspg is contained in a
Consider the decomposition of calcium carbonate. Assume that ?H° = 177.8 kJ/mol and ?S° = 160.5 J/K·mol for the temperature range. CaCO3(s) -> CaO(s) + CO2(g)
A 1.800 g sample of octane, C8H18, was burned in a bomb calorimeter whose total heat capacity is 11.66 kJ/°C. The temperature of the calorimeter plus contents increased from 20.01°C to 29.99°C. What is the heat of combustion per gram of octane?
Which type of bonding does Sr form upon solidification. metalic, molecular, ionic, covalent compund
an experiment shows that a 247ml gas sample has a mass of 0.432 gas at a pressure of 752 mmhg and a temperature of 28c.
what is the final volume in mL when 5.00 mL of a 12.0 M NaOH solution is diluted to each of the following concentrations a).600 M NaOH. b)1.00 M NaOH. c)2.50 M NaOH.
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