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lithium is the least dense metal known (density: 0.53 g/cm^3) what is the volume occupied by 8.00 x10^3g of lithium.
Hydrogen sulfide decomposes according to the following reaction, for which, Kc=9.30 x 10^-8 at 700 degrees C.
some amount of potassium dichromatenbsp k2cro7 thatnbsp is 2.335 g isnbsp dissolved in enough h2o to prepare a
Calculate the grams of Titanium that will be plated from a Ti(NO3)4 solution using a current of 15 amperes for 3 hours.
Hydrogen fluoride is a highly reactive gas. It has many industrial uses, but the most familiar property of HF is its ability to react with glass. As a result, HF is used to etch glass and frost the inner surfaces of light bulbs
Methane and hydrogen sulfide form when 36g H2 texts with carbon disulfide. Calculate the percent yield if the actual yield of CH4 is 69.8g.
What is the solubility of the following compounds in water and ethanol. ethyl acetate, ethanol, silica, azobenzene, azulene, 4(p-nitrophenylazo) resorcinol, methyl red, bromcresol Green
The change in enthalpy Delta H for a reaction is -39.6 kJ/mol. The equilibrium constant for the reaction is 4.4×103 at 298 K.What is the equilibrium constant for the reaction at 635 K?
A steam engine works between TH = 140C and TC = 30C. Calculate the minimal withdrawal from the hot source to yield 1 kJ of work
Which properties are the same for both reactions and which are different? the number of atoms of each element, the state of the methane molecules, the enthalpy change of the reaction, the state of the carbon atoms.
Describe the steps to be taken in the laboratory if a large bottle of acetone (noncorrosive, nontoxic, highly volatile, water-soluble, flammable solvent) is broken and spilled.
After 273 m3 of ethylene oxide at 748 kPa and 525 K is cooled to 293 K, it is allowed to expand to 1.10 × 103 m3. What is the new pressure?
From the stoichiometry, it's shown that the sodium ethoxide is used in excess. What happens to this excess during work out. (Be specific, write out the reaction that occurs and figure out at what point is it destroyed)
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