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10.0 moles of NH3 and 10.0 moles of H2 are introduced into a 2.00 L flask. At equilibrium, 3.0 moles of NH3 gas remain. Calculate Kc for this reaction. N2(g) 3H2(g)<-- --> 2NH3(g)
For a zero order chemical reaction, the A. half life period is directly proportion to the initial concentration of the reac-tants. B. plot of products concentration with time is a straight line through the origin
Show the reaction equation for when sodium carbonate is added to acetic acid Show the reaction equation of acetic acid and dilute sulphuric acid. Potassium manganate is also added.
The relationship (if any) of the lattice energy of compounds such as ZnO vs. H3BO3 vs. their respective solubilities. For instance, at neutral pH and standard conditions
A person is exposed for three days to identical amounts of two different nuclides that emit positrons of roughly equal energy. The half-life of nuclide A is 18.5 days and the half-life of nuclide B is 255 days.
A piece of metal, mass of 8.50 g is heated to a temperature of 95.00 c. It is immediately placed in a calorimeter. Find the specific heat capacity?
Aspirin is a monoprotic acid called acetylsalicylic acid. Its formula is HC9H7O4. A certain pain reliever was analyzed for aspirin by dissolving 0.431 g of it in water and titrating it with 0.0430 M KOH solution.
how mamy moles of 1 chloroprppane (C3H7Cl) are produced if 352.grams of propane C3H8 react according to the equation
An unknown sample with a molecular mass of 180.og is analyzed to yeild 40% c, 6.7% H, and 53.3% o. What is the empirical formula and the molecular formula of this compound?
What are the oxidation number of the central atom of the following species. Please explain how to do this.
An odorous gas emitted by a hot spring was found to diffuse 2.92 times slower than helium. What is the molar mass of the emitted gas.
How much heat is required to vaporize 18.5g of water at 100c. The heat of vaporization of water at 100c is 40.7kj/mole.
what is the order of increasing steric hindrance within these reactions and what is the reason for that order in terms of calculated energies, distance, and structures.
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