What is the molar mass
An experiment shows that a 115 -,mL gas sample has a mass of 0.170 g at a pressure of 711 mm; Hg and a temperature of 33Celcius. What is the molar mass?
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The wheel in Fig. 10-27 has eight equally spaced spokes and a radius of 30 cm. It is mounted on a fixed axle and is spinning at 2.5 rev/s.
calculate the osmotic pressure in mm Hg of 6.00 L of an aqueous 0.889 m solution at 30.°c, if the solute concerned is totally ionized into three ions
The Solubility of Mg(OH)2 (s) in wataer at a certain temperature is 1.0 x 10^-4 mol/L. Calculate the value of Ksp for Mg(OH)2 (s) at this temperature.
A dishonest gambler has a loaded die which turns up the number 1 with probability 2/3 and the numbers 2 to 6 with probability 1/15 each. Unfortunately, he left his loaded die in a box with two honest dice and cannot tell them apart. He picks on
2.00 L of H2 at a pressure of 368 torr and 1.00 L of N2 at an unknown pressure. If the total pressure in the flasks is 336 torr after the stopcock is opened, determine the initial pressure of N2 in the 1.00 L flask.
Two kilograms of Refrigerant134a, initially at 2 bar and occupying a volume of 0.12 m3, undergoes a process at constant pressure until the volume has doubled. Kinetic and potential energy effects are negligible. Determine the work and heat transfer f
Consider the equation A(aq) + 2B(aq) 3C(aq) + 2D(aq). In one experiment, 45.0 mL of 0.050 M A is mixed with 25.0 mL 0.100 M B. At equilibrium the concentration of C is 0.0410 M. Calculate K.
A discrete memoryless source has a symbol alphabet of |A| = 10. Determine the upper and lower bounds on its entropy?
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