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i) The atmospheric pressur on Pluto is 3 microbars. Express this pressure in bars, kPa, atm, and torr.
ii) A scientist uses an ultra-high vacuum chamber that has a pressure of 6.5 x 10^-12 torr. If the temperature is 298 K, how many molecules are there in 2.0 cm^3? What is the molar volume, in L/mol, at that temperature.
How many OH- ions appear in the correctly balanced equation, and on which side of the arrow?
The addition of H2 to C=C double bonds is an important reaction used in the preparation of margarine from vegetable oils.
The reaction 2NO+Cl2=2NOCl is carried out in a closed vessel. If the partial pressure of NO is decreasing at the rate of 20 torr/min, what is the rate of change of the total pressure of the vessel?
how many grams of methylamine must be combusted to raise the temperature of 431 g of water from 11.0 degrees Ce to 41.0 degrees C?
What is the volume of a balloon that contains 34 moles of calcium bicarbonate?
Multiple choice questions in free energy change and What is the free energy change in kJ/mole?
The Kp for the reaction is 4.3X10^-4 at 648K. Determine the equilibrium partial pressure of NH3 in a reaction vessel that initially contained 0.900atm N2 and 0.500 atm H2 at 648K.
Water self ionizes to a small extent creating equal concentrations of hydronium and hydroxide ions. What is the molar concentration of these ions in water at 25oC.
what is the theoretical and percent yields of ethanol if 648 grams of sucrose undergoes fermentation and 349 grams of ethanol is obtained.
What is the principle quantum number for the inner transition metals? (the atomic numbers are 57 through 102, called the lanthanide series
What is the greatest pressure if 800 kPa is increased in volume from 1.75L to 3.00L and temp is increase from 65 degrees C
What is the volume of the container needed to store 0.8 moles of argon gas at 5.3 atm and 227°C.
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