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A weather balloon is inflated to a volume of 26.5L at a pressure of 735mmHg and a temperature of 24.5 degreed C. The balloon rises in the atmosphere to an altitude, where the pressure is 390.mmHg and the temperature is -13.9 degrees C.
Assuming the balloon can freely expand, calculate the volume of the balloon at this altitude.
In writing the chemical formula of a compound such as Al2O3, the following statement is a true relationship between the Al and O atoms
If 3.1 mol of ethane (C2H6) undergo combustion according to the unbalanced equation C2H6 + O2 ->CO2 + H2O, how much oxygen is required?
Show the retrosynthesys for 1ciclohexil-2-pentanona? The reactive is suppose to be bromociclohexano
Heat energy is added to a 352 g block of nickel, and the temperature increases from 21 degrees C to 53 degrees C. If the same amount of heat was added to the same mass of water at the same temperature, what would the water's final temperature be
When 325 g Bi2O3 reacts with excess carbon, how many moles of Bi are expected to form?
How many grams of H2O (g) are theoretically produced from 1026.9 g of sucrose, C12H22O11 (g), and an excess amount of oxygen? C12H22O11 (g) + O2 (g) → CO2 (g) + H2O (g) (unbalanced)
In the Hofmann Degradation of amines an amine is exhaustively methylated with Methyl Iodide and the resultant compound treated with Silver Hydroxide and heated. An alkene is formed which is not the Saytzeff product.
Enough of a monoprotic acid is dissolved in water to produce a 0.0137 M solution. The pH of the resulting solution is 6.48. Calculate the Ka for the acid.
verify the law of multiple proportions for an element X, which forms oxides having percentages of X equal to 77.4%, 63.2%,69.6% and 72.0%
A 28.0g sample of an unknown metal at 99.0c was placed in a constant pressure calorimeter containing 85.0g of water at 24.0c. the final temperature of the system was found to be 28.4c. calculate the specific heat of the metal (the heat capacity of..
The delta G for the reaction is 2.60 kj/mol at 25 degrees C. The initial pressures are P H2 = 3.34 atm, P I2 = 0.024 atm and P HI = 0.24 atm.
The freezing-point depression measurement of benzoic acid in acetone yields a molar mass of 122 g; the same measurement in benzene gives a value of 242 g
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