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The latent heat of vaporization of mercury is around 300,000 J/kg. What is the least amount of mercury (in kg) that can be vaporized when 3 million joules are introduced?
The mass of an Argon atom is more than that of a Helium atom. Does that mean that because of Argon has larger mass, it exerts a higher pressure on the walls of container than Helium at the same volume, molar density and temperature? Give explanati..
What volume of H2 could be produced at a temperature of 19 oC and a pressure of 764 torr by the reaction of 2.98 g of aluminum with hydrochloric acid.
2 NH3 + CH3OH → products . How much NH3 is needed to react exactly with 21 grams of CH3OH
After losing the electron, how many protons will Na have in its nucleus? Sodium (Na), atomic number 11, has a tendency to lose an electron in the presence of chlorine
Assume that the specific heat and density of the resulting solution are equal to those of water [4.18 and 1.00 ] and that no heat is lost to the calorimeter itself, nor to the surroundings.
solution of potassium sulfate. Assuming that all ionic species are completely dissociated, what is the osmotic pressure of the mixture in torr?
A helium balloon at a high altitude has 2.1 × 104 L of helium at 0.40 atm and -13°C. If the balloon descends to an altitude in which the atmospheric pressure is 1.00 atm and the temperature is 20°C.
A sample containing 0.35 mol argon gas at a temperature of 13 C and a pressure of 568 torr is heated to 56 C and a pressure of 897 torr. A. What is the original volume of the gas? B. What is the new volume of the argon gas?
A hydrated form of copper sulfate (CuSO4·x H2O) is heated to drive off all the water. If we start with 9.47 g of hydrated salt and have 5.29 g of anhydrous CuSO4
Calculate the fraction of space that is occupied by packing spheres in the (a) simple cubic, (b) body-centered cubic, (c) face-centered cubic (close packed) structures
An airplane is pressurized to 650 mm,Hg}, which is the atmospheric pressure at a ski resort at 1.30×104 ft altitude. If air is 21 % oxygen, what is the partial pressure of oxygen on the plane?
The half-life of tritium (31H) is 12.3 years. If 47.0 mg of tritium is released from a nuclear power plant during the course of a mishap, what mass of the nuclide will remain after 24.6 years?What mass of the nuclide will remain after 98.4 years?
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