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Calculate the excluded volume for one mole of molecules, which is the constant b. How does this compare with the sum of the volumes of 1 mole of the same molecule
A creamy salad dressing is made up of heavy cream, corn oil, and vinegar (as well as a pinch of dry mustard, salt and pepper). What is the order of the layers from top to bottom
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
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 is the total molar concentration of all the ions in 0.030 M solutions of the following salts in water a) 0.030 M KCl = ________ M ions b) 0.030 M CuSO4 = _____ M ions c) 0.030 M CaCl2 = _______
The partial pressure of carbon dioxide is 675 mm Hg. If argon gas added to the mixture causes the total pressure to become 2410 torr, what is the partial pressure of argon? Report your answer in atm
For 2.25 moles of an ideal gas, Pext=P=200x10^3 Pa. The temperature is changed from 122 C to 28.5C and Cv=3R/2. Calculate the q, w, delta U and delta H for an isochloric process.
A human body contains 6 liters of blood. The hemoglobin content of blood is about 15.5g/100 mL of blood. The approximate hemoglobin molecular weight is 64,500g/mol. How many moles of hemoglobin are
A small ball rolls horizontally off the edge of a tabletop that is 1.06 m high. how long was the ball in the air
In an adiabatic compression if one mole of an ideal gas with a Cv=5R/2, the temperature rises from 293 K to 325 K. Calculate the heat, work, change in enthalpy and change in internal energy
Three charges sit at the corners of an equilateral triangle with sides of length d = 3cm. Calculate the electric potential at the centre of the triangle
For each of the following states described in the following list, calculate the final pressure, as well as q, w, ?U, and H. a) the gas is expanded isothermally and reversibly until the volume double
At 25 °C and 765 Torr, carbon dioxide has a solubility of 0.0342 M in water. What is its solubility at 25 °C and 1470 Torr
The Hall voltage across a conductor in a 44mTmagnetic field is 1.9?V. What is the strength of the second field
What is the de Broglie wavelength in cm, of a 12.7 g hummingbird flying at 1.15 multiplied by 102 mph (1 mile = 1.61 km.)
Determine the linear regression line relating Y to X and compute the F statistic and its associated P-value and the 95% confidence intervals for the slope and intercept.
What is the maximum work that can be obtained from a 340 L tank of compressed air at 4350 PSI
Consider a parallel plate capacitor with plates of size 2 cm times 2 cm, with a distance of 2 mm between the plates. find the speed with which the proton hits the negative plate
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
A catapult on a cliff launches a large round rock towards a ship on the ocean below. calculate the value of the angle theta
The energy for the 5s valence electron in rubidium (Z=37) has energy ?4.18 electron volts. What is the effective nuclear charge Zeff experienced
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 boy uses a slingshot to launch a pebble straight up into the air. The pebble reaches a height of 24.0 m above the launch point 2.3 seconds later, What was the pebble's initial speed