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Determine the average atomic mass of helium, which has two isotopes having atomic masses 4.0026 amu and 3.0160 amu.The relative abundance of the two isotopes is 99.9999 percent and 0.0001 percent, respectively.
Total pressure in kPa 10 seconds after initiation of the reaction if initially there was 88.3kPa of pure N 2 O 5 vapor Enter the total pressure in kPa 10 minutes after initiation of the reaction.
Find the lowest temperature of vaporization and the highest temperature when there is liquid left over and Determine the range of temperatures which could be used for this process.
Compute the solubility of silver sulfite, Ag 2 SO 3 in units of grams per liter and complete and balance these given redox equations by the half reactions method (the oxidation reaction and the reduction reaction)
Determine the second order rate constant from the initial concentration and half life and what is the second order rate constant?
calculate that how many liters of carbon monoxide gas, measured under the same conditions, is essential?
Hydrogen gas produced in the laboratory by the reaction of zinc and hydrochloric acid was collected over water at 25°C. The barometric pressure at the time was 742.5 mm Hg.
What is the maximum number of electrons that can be identified with each of the following sets of quantum numbers? In some cases, the answer may be "none."
Find out the concentration of this solution in a)M (molarity), b) m (molality), c) % w/w (percent by mass). If solvent =, H 2 O.
Determine what is the longest possible wavelength of light that could ionize an atom of bismuth if the first ionization energy of bismuth is Ei1 = +70 kJ/mol.?
The formal charge on the P atom is zero and It is best described with three resonance structures.
how many cans of Mountain Lightning would an individual have to drink to die from a tartrazine overdose If the LD50 of tartrazine in humans is supposed to be 12,750 mg/kg (as it is for mice) and the average human weighs 70 kilograms,?
Assemble the alcohols (have the formula of C4H10) in the order of increasing reactivity with concentrated HCl.
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