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An automobile gasoline tank holds 44 of gasoline. When the gasoline burns, 154 of oxygen are consumed and carbon dioxide and water are produced. What is the total combined mass of carbon dioxide and water that is produced.
How many grams of sucrose must be added to 320g of water to lower the vapor pressure by 1.5mm Hg at 25 degrees Celcius? The vaporpressure of water at 25 degrees Celcius is 23.8mmHg
What is the percentage by mass of CH4 in the mixture. The standard enthalpies of combustion for CH4 and C2H6 are -890.3 kJ mol-1 and -1569.7 kJ mol-1, respectively.
metallic copper is formed when aluminum reacts with copperii sulfate. how many grams of metallic copper can be obtained
a 368-g sample of water absorbs infrared radiation at 1.06x104nm from a carbon dioxide laser. suppose all the absorbed
At room temp, triphenylaluminum is a dimer while triphenyl boron is a monomer.
The solubility of lead (II) sulfate is 4.0x10^-2 g/L. What is the solubility product constant for lead (II) sulfate?
A mixture of gases contains 0.34 mole CH4, 0.37 mole C2H6, and 0.48 mole C3H8. The total pressure is 1.50 atm. Calculate the partial pressures of the gases. PCH4 atm PC2H6, atm PC3H8 atm
a buffer solution was made to have 1.4M HF and 1.10 M NaF. If .1 moles of NaOH are added to 1.00 L of the buffer, what will be the pH? Assume the volume remains constant. Ka of HF = 7.2E-4.
A gas expands and does P-V work on the surroundings equal to 337 J. At the same time, it absorbs 177 J of heat from the surroundings. Calculate the change in energy of the gas.
Find the energy eigenstates for the system. Compute the normalization constant for these eigenstates. What is the boundary condition for this problem. What does this restrict the allowed energies of the system to be? e) What is the degeneracy of t..
A student standardized her I2 solution by preparing a solution of 0.0450 g of ascorbic acid (vitamin C) in a 100 mL volumetric flask. She titrated several 10.00 mL samples of the Vitamin C solution and found an average of 24.95 mL of I2 solution
synthesis of methyl orange as a guide, outline an experimental strategy for its synthesis, using any shelf-stable starting materials of your choice. Be sure to also include relevant details such as solvents, reaction temperature, cooling/heating
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