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Which of the following statements related to kinetic-molecular theory of gases is correct for an ideal gas?
A. Gas particles move in a zigzag pattern until they collide with something.
B. The pressure of a gas arises from the sum of the collisions of the particles with the walls of the container.
C. In a mixture of gases, attractive forces between particles cause the measured pressure to be lower than that expected for a pure gas.
D. When gas particles collide, they lose some of their kinetic energy, and will slow down over time.
E. Gases are composed of small particles with a small amount of space between them.
The partial pressure of O2 in air at sea level is 0.21 atm. Using Henry's law, calculate the molar concentration of O2 in the surface water of a mountain lake saturated with air at 20C and an atmosphere pressure of 650 torr.
Determine the initial quality and temperature of the fluid mixture prior to heating. [quality x1 = 0.182, T1 = 113.3°C] b) Determine the final volume of the steam after heating. [0.546 m3 (546 liters)] Note: 1000 liters - 1 m3
The excess I2(aq) left over from the above reaction was titrated with 11.37 mL of 0.0105 M thiosulfate (S2O32-) as follows: I2(aq) + 2S2O32-(aq) → 2I1-(aq) + S4O62-(aq)
calculate the Kf for the solvent bromoform: When 28.2 g of C20H42 are dissolved in 173. mL of bromoform, the freezing point of the solution is 5.4 C.
Determine the partial pressure of Ar, argon gas in the flask and A flask is filled with 1.20 of argon Ar gas at the temperature of twenty five degree Celsius.
Draw all the resonance structures for the N2O4 molecule. The skeletal structure of the molecule is
Which of the following is not the correct chemical formula for the compound named?
The surface area of the nail is 8.59 cm. The density of the zinc is 7.13 g/cm3 how many zinc atoms are used in the coating?
What is the molar solubility of BaF2 in 0.15M NaF at 25 degrees celsius? Compare the solubility in this case with that of BaF2 in pure water.
grams of a sulfate-containing unknown with excess barium chloride. If 0.6500 grams of barium sulfate is produced, what is the percentage sulfate in the unknown?
The equation for the combustion of acetone is: 2 C3H6O + 8 O2 ---> 6 H2O + 6 CO2 + 852.6 kcal How much heat will be given off if 0.87 mol of acetone is completely burned?
which type of bond has one pair of electrons shared between atoms? a) single covalent b) coordinate covalent c) double covalent d) metallic
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