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A steel cylinder holds 150.0 mol argon gas at 25 degrees C and a pressure of 9.53Mpa. After some argon has been used, the pressure is 2.00Mpa at 19 degrees C. What mass of argon remains in the cylinder.
A particular compound contains only C, H, N, and O. When 615 mg of this compound are burned in air, 712 mg of carbon dioxide and 369 mg of water are created.
A 5.61g sample of NaCl is added to 112mL of pure water (density of pure water @ 25 degree celcius is 0.9982g/mL). What is the mass % of the NaCl solution
What would be the effect of performing your kinetics experiments at a lower temperature than the one you used?
Calculate the pH of the solution made by adding 0.50 mol of propanoic acid, (C2H5COOH or HC3H5O2) and 0.30 mol of sodium propanoate (C2H5COONa or NaC3H5CO2) to 1.00 L of water. The value of Ka for C2H5COOH is 1.3 x 10^-5.
A mixture of 0.152 moles of C is reacted with 0.117 moles of O2 in a sealed, 10.0L vessal at 500K, producing a mixture of Co and CO2. The total pressure is 0.6879 atm. What is the partial pressure of CO?
A nuclear explosion generates so much heat that it turns steel structures in the immediate area into steel vapor. What is the correct name of the type of phase transition that is represented by this process
a particle has a velocity equal to 0.25 c and a wavelength of 1.3 x 10^-16 m. Calculate the mass of the particle in kilograms. c=3.0 x 10^8 m/s
What is the melting point of mixture of 2.00 lb of NaCl and 12.00 lbs of ice if exactly half of the ice melts? Assume that all the NaCl dissolves in the melted ice and that the van' Hoff factor for the resulting solution is 1.44.
when a mixture of these two gases are compressed to a smaller volume, which way does the reaction shift to? the reaction is originally at 588 kelvins and has an equilibrium constant of "k"=0.0180
Decribe the preparation of the 100mL of a 50 mM acetate buffer at pH 5.5 beginning iwth sodium acetate and 1M acetic acid
Using the data on a seperate page for the determination of heat of nuetralization extrapolate to the mixing time, determine the intial and final temp for the solutions. 50mL of 2.0M HCL and 2.02M NaOH were mixed and the heat neutralization was det..
The specific heat capacity of silver is 0.24 J/°C · g. (a) Calculate the energy required to raise the temperature of 160.0 g Ag from 273 K to 295 K.
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