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Presume that 1.02 g of rubbing alcohol (C3H8O) evaporates from a 57.0 g aluminum block. Explain if the aluminum block is initially at 25, Explain what is the final temperature of the block after the evaporation of the alcohol? Presume that the heat required for the vaporization of the alcohol comes merely from the aluminum block as well as that the alcohol vaporizes at 25.
During a period of discharge of a lead-acid battery, 404 g of Pb} from the anode is converted into PbSO_4 (s). What mass of PbO_2 (s) is reduced at the cathode during this same period. Also How many coulombs of electrical charge are transferred fro..
A major component of gasoline is octane (C8H18) . When octane is burned in air, it chemically reacts with oxygen gas (O2) to produce carbon dioxide (CO2) and water (H2O).
its ground state absorbs 2.50 times as much energy as the minimum required for it to escape from the atom. Calculate the deBroglie wavelength of the emitted electron
What's the volume of pure hydrogen present in a sample of 55.0 mL of gas saturated with water vapour at 27 °C, if the total pressure is 104.8 kPa?
Rate of reaction for 8H2S +4O2 -> 8H2O + S8, if started with 21.35g of H2S and 15.36g of O2. What is the limiting reactant and how much S8 can be produced?
Oxygen at 150 K and 41.64 atm has a tabulated specific volume of 4.684 cm3/g and a specific internal energy of 1706 J/mol.
A layer of peat beneath the glacial sediments of the last ice age has a carbon-14/carbon-12 ratio that is 21.0% of that found in living organisms
Assuming the final concentration of chloride anion after the addition of hcl (precipitation step) was 0.1M what is the remaining concentration of Ag in the solution
The area of the head of an average flat headed straight pin is 3.50*10(-4) inches squared. the atomic radius for the element neon is 7.0*10(1) pico meters. if you could line up a row of atoms how many neon atoms can fit across the diameter of the ..
Gold has cubic crystals whose unit cell has an edge length of 407.9 pm. The density of the metal is 19.3 g/cm3. Calculate the number of gold atoms in a unit cell. What type of cubi lattice does gold have
Calculate Kb for methylamine. Is methylamine strong base or weaker base than ammonia?
Which of the following pH values would you expect from the addition of a small amount of a dilute solution of a strong base?
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