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What is the maximum work that can be obtained from a 340 L tank of compressed air at 4350 PSI
A solution of 75.0 g of benzene (C6H6) and 75.0 g of toluene (C7H8) has a total vapor pressure of 80.9 mmHg at 303 K. Another solution of 100.0 g benzene and 50.0 g toluene has a total vapor pressur
What statement below best describes the graph representing the integrated 1st order rate law plot of ln[a] vs t having a straight line negative slope equal to -k
If 10.00 mL of 0.050 M KI solution is mixed with 40.0mL of other reagents what would be the the diluted concentration of KI
A solution of ammonia and water contains 2.70×1025 water molecules and 8.50×1024 ammonia molecules. How many total hydrogen atoms are in this solution
cylinders of compressed gas are typically filled to a pressure of 200 bar. for oxygen, what would be the molar volume at this pressure and 25 degrees Celsius based on the van der waals equation
The balanced equation for trans-1,2-dibenzoylethylene in ethanol to give the product cis-1,2-dibenzoylethylene
In a first order decomposition in which the rate constant is 0.201 sec-1, how long will it take (in seconds) until 0.131 mol/L of the compound is left, if there was 0.566 mol/L at the start
calculate the moles of hydrogen and the pressure in each flask where the volume is negligible. Each flask is originally 275K with .455 mols of hydrogen gas and .7atm of pressure. Then one flask is h
What is green chemistry. how does it relate to heating A mixture of sodium carbonate and sodium bicarbonate (lab)
A first order decomposition reaction has a rate constant of 0.0418yr-1. What is the half-life of the reaction in yr
what statement best describes the graph representing the integrated 1st order rate law
What is the theoretical economy of heating A mixture of sodium carbonate and sodium bicarbonate ? sodium carbonate is the desired product and water and carbon dioxide are the undesirable wastes.
baking soda (NaHCO3) can be made in large quantities by the following reaction: NaCl + NH3 + CO2 + H2O ---> NaHCO3 + NH4Cl If 9.41g of NaCl reacts with excesses of the other reactants and 3.81g o
Initially a container contains 0.75 M HBr and no product. What is the equilibrium concentration of HBr if the equilibrium concentration of H2 is 0.14 M
2HI(g) ? H2(g) + I2(g) Keq = 0.016. Initially a container contains 0.46 M HI and no product. What is the equilibrium concentration of H2
A first order decomposition reaction has a half-life of 60yr. What percentage of the original amount is left after 164years. (give answer to 3 sig figs using E notation)
a reaction vessel contains 13.9g of CO and 13.9g of O2. How many grams of CO2 could be produced according to the following reaction? 2CO + O2 ---> 2CO2
At a given temperature the vapor pressures of benzene and toluene are 183mm Hg and 59.2mm Hg. Calculate the mole fraction of benzene in the vapor phase over a solution of benzene and toluene with Xb
Calculate the mass of nitrogen dissolved at room temperature in an 76.0L home aquarium. Assume a total pressure of 1.0atm and a mole fraction for nitrogen of 0.78.
Write the ground-state electron configurations for the following elements. (Type your answer in noble gas notation using the format [Ar] 4s2 3d10 4p2 for [Ar]4s23d104p2.)
Determine the maximum number of electrons that can be found in each of the following subshells.
a photon has a wavelength of 741nm calculate the energy of the photon in joules
Stearic acid, nature's most common fatty acid, dimerizes when dissolved in hexane. The equilibrium constant for this reaction at 28 degrees Celsius is 2,900. Estimate the equilibrium constant at 38