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Explain a gaseous fuel mixture stored at 744 mmHg and 298 K contains merely methane CH4 and propane C3H8. While 12.2 L of this fuel mixture is burned, it produces 771 kJ of heat.
Explain what is the mole fraction of methane in the mixture? Presume that the water produced by the combustion is in the gaseous state.
calculate the concentration of nonelectrolyte solute particlesin human blood if the osmotic pressure is 7.53 atm at37oc
Compute for q for the reversible isothermal expansion at 300K of 5.0 mol of a perfect gas from 500 to 1500 cubic cm
Write a suitable mechanism for the cleavage of butyl isopropyl ether with HI at 100 degrees C to form exclusively isopropyl alcohol and 1-iodobutane. Explain why butyl alcohol and 2-iodo-isopropane are not formed in this reaction.
Construct the lewis structure model for the ionic compound potassium chloride using the following steps.
The weight of the product (Hexaphenylbenzene) for this part of the reaction was 2.04 g. What is the percentage yield? What is the overall percent recovery for the three step process?
In an electron microscope the electrons generate the image. For one of the scanning electron microscopes in our Central Analytical Facility, the electrons are accelerated to have a kinetic energy of 200,000 eV
An aqueous solution is 13.0% by mass ethanol, CH3CH2OH, and has a density of 0.978 g/mL. The molality of ethanol in the solution is?
Which of the following is true about the photoelectric effect. a) The number of electrons emitted increases with intensity of light, regardless of the frequency. b) The number of electrons emitted increases with the intensity of light
What is the molar solubility of CaF2 in 0.10 M NaF solution at 25°C? The Ksp for CaF2 is 1.5x10^-10.
If 60.0 g of H3PO4 is dissolved in enough water to form 175 mL of solution, what is the molarity (M) of the solution?
A 135 mL sample of a 15.0 M ethylene glycol (rm C_2H_6O_2) solution is diluted to 1.50 L.What is the freezing point of the final solution.
A chemist decomposes several samples of water into hydrogen and oxygen and weighs the hydrogen and oxygen obtained. The results are: 1) 1.5g H and 12g O 2) 2g H and 16g O 3) 2.5g H and 20g O.
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