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Which best describes a solid?
A. Great expansion upon heating and definite volumeB. Incompressibility and very slight expansion upon heatingC. Indefinite shape and volumeD. Very slight expansion upon heating and readily compressible
Oxalic acid, H2C2O4 has acid dissociation constants Ka1 = 5.9 x 102 and Ka2 = 6.4 x 105. What is the pH after 20.00 mL of 0.0500 M NaOH is added to 5.00 mL of 0.2000 M H2SO3.
A patient has 48 ml. of blood drawn and this volume of blood has a mass of 39.5 g. what is the specific gravity of the blood?
a quantity of water is heated from 25.0 C to 36.4 C by absorbing 325 joules. what is the mass of the water?
If a 180 mg piece of gold (density =19.32 g/cm^3 ) is hammered into a sheet measuring 2.3 x 1.0 ft , what is the average thickness of the sheet in meters?
Consider the weak acid, with a Ka = (4.40x10^-4). In the titration of 25.00 mL of a 0.01000 M solution of the acid with 25.00 mL of a 0.01000 M solution of NaOH
Calculate the energy of attraction (in eV) between a cation with a valence of +2 and an anion with a valence of -3,
At 700.°C, the total pressure of the system is found to be 3.45 atm. If the equilibrium constant KP is 1.52, calculate the equilibrium partial pressures of CO2 and CO.
A solution of a dye absorbs light of wavelength 480 nm, and for this absorption, the extinction coefficient is 18600 L/mol/cm. A sample of the dye of unknown concentration is placed in an optical cell of path length 1 cm
The vapor pressure of carbon tetrachloride, , is 0.354 atm and the vapor pressure of chloroform, is 0.526 atm at 316K . A solution is prepared from equal masses of these two compounds at this temperature.
orbits around a definite point in space made of neutrinos and electrons D) is not a definite point in space, but rather it is a cloud of smaller particles called quarks that deflect alpha particles
Compute the Ka for the acid if the pH of the resulting solution = 6.36. and determine the pH of the resulting buffer
if you take a 12.5 mL portion of the stock solution and dilute it to a total volume of 0.600L what will be the concentration of the final solution?
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