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The temperature inside my refrigerator is about 40 Celsius. If I place a balloon in my fridge that initially has a temperature of 220 C and a volume of 0.59 liters, what will be the volume of the balloon when it is fully cooled by my refrigerator?
Ringer's solution, used in the treatment of burns and wounds, is prepared by dissolving 8.6 g of NaCl, 0.30 g of KCI , and 0.33 g of CaCl2 in water and diluting to a volume of 1.00 L . What is the osmolarity of Ringer's solution
If 85.0 mg of fluorine-18 is shipped at 8:00 a.m., how many milligrams of the radioisotope are still active if the sample arrives at the radiology laboratory at 1:30 p.m. ?
which molecular species listed would be necessary for the formation of pentanol from the reaction of 4-methyl-2-pentene with sulfuric acid and water as the solvent
Find vapor pressure and density of liquid water at room temperature; state your source. Calculate the new vapor pressure of water at the same temperature when 740 torr of dry
A liquid substance has a vapor pressure of 450.0 mmHg at 262.0 degrees celsius and 760.0 mmHg at 325.0 celsius. a) what is the heat of vaporization of this substance? b) what is its normal boiling point?
The vapor pressure of pure acetone (propanone) is 266 torr. When a non-volatile solute is added, the vapor pressure of acetone above the solution falls to 232 torr. What is the mole fraction of acetone in the solution?
What mass (in g) of iron is needed to evolve 730.5 kJ of heat under standard conditions as it forms iron(III) oxide
The volume of seawater on Earth is about 3.3 x 10^8 mi^3. Because it contains salts, mostly sodium chloride, its density is about 1.03 g/mL, a little higher than that of pure water. The concentration of sodium chloride is about 3.5% by mass.c
hydrogen gas was collected over water in a eudiometer at 26 degrees c when the atmospheric pressure was 726 mm hg. What was the pressure of the hydrogen gas?
The normal melting point of benzene is 5.5 degrees Celsius . For the process of freezing, what is the sign for each of the following
In the reaction below, 7.57 atm each of H2 and Br2 were placed into a 1.00 L flask and allowed to react: H2(g) + Br2(g) 2 HBr(g) Given that Kc = 11.8, calculate the equilibrium pressure of Br2.
A room temperature aqueous solution is 0.10 M in zinc acetate, 0.50 M in strontium acetate and 15.2 M in nickel (II) acetate. At what concentration of carbonate does a solid first appear in the solution?
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