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if there are 45 drops of alcohol/mL, and the density of alcohol is 0.789g/mL. what is the blood alcohol concentration?
if 5.77 g of S is reacted with 10.0 g of O2, how many grams of SO3 will be produced?
mass is obtained in the reaction, what mass of S2O3^2- was present initially, assuming the reaction went to completion? the density of the HSO3^- solution is 1.45 g/cm^3
In which reaction does the oxidation number of hydrogen change?
An astronaut's spacesuit has a pinhole leak. If the spacesuit contains air of normal composition (78% nitrogen and 21% Oxygen),
Estimate dissociation energy of HF using simpe additivity rule If given that d(H-H) and D(F-F) IN H 2 is 336kj/mol and F2 is 258 kj/mol
Reaction of NO with chlorine to yield NOCl is pseudo-first order if NO is present in a large excess. Determine the rate constant of this reaction i
Phenylephrine is a nasal decongestant and is the active ingredient in Sudafed, which contains phenylephrine hydrochloride (PEHCL). The conjugate acid (PEH+)
orbitals in the HCl molecule, taking ?= -1.0 eV and the ionization of energy of atomic chlorine as 13.1 eV.
A gas originally at 27 degrees celsius and 1.00 atm pressure in a 3.9 L flask is cooled at constant pressure until the temperature is 11 degrees celsius. determine the new volume of the gas and express your answer in Litre.
What is the FORMULA for the limiting reagent? What is the maximum amount of carbon dioxide that can be formed in grams? What amount of the excess reagent remains after the reaction is complete in grams?
What volume of pure oxygen gas (O2) measured at 546 K and 1.00 atm is formed by complete dissociation of 0.7 mol of Ag2O? 2 Ag2O(s) → 4 Ag(s) + O2(g)
What is the wavelength of an electron traveling with a velocity of 7.0 times 10 to the 3rd power?
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