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Consider a solution of carbonic acid, H2CO3. (a) Calculate the H3O+ ion concentration of a 0.15 M solution of carbonic acid. (b) What is the concentration of the carbonate ion (CO32?) in the solution?
consider the reaction : 3A (g) + 2B (g) = 4 C (g) a ) determine the expression for the rate of the reaction with respect to each of the reactants and products
A chemist dissolves 128 mg of pure hydrobromic acid in enough water to make up of 110 mL solution. Calculate the pH of the solution.
Kc = 9.7 at 900 K for the reaction NH3(g) + H2S(g) --> NH4HS(s) If the initial concentrations of NH3(g) and H2S(g) are 2.0 M, what is the equilibrium concentration of H2S(g)?
If a sample of 6.022 g of CH4 is enclosed in a 30 L container at 402 K. What is its pressure in atmospheres?The volume is reduced to 12 L at constant temperature. What is the new pressure in atmospheres.
If 55.0 mL of ethanol {rm{(density}} = 0.789;{rm{g}}/{{rm{mL}}})) initially at 9.0^circ C is mixed with 55.0 mL of water {rm{(density}} = 1.0;{rm{g}}/{{rm{mL}}}) initially at 28.1^circ C in an insulated beaker, and assuming that no heat is lost, w..
the pH of a saturated solution of a metal hydroxide MOH is 9.30. calculate the Ksp for the compound
acetylene gas undergoes combustion to produce carbon dioxide and water vapor. if 75.0 L of co2 are produced how many liters of acetylene are required?
A 98 L sample of dry air cools from 138°C to -30.°C while the pressure is maintained at 2.85 atm. What is the final volume?
Chlorine consists of two major isotopes with the following atomic masses: 35Cl (34.9689 amu) and 37Cl (36.9659 amu). The average atomic mass of chlorine is 35.4527 amu.
Use the Frost Circle to draw the energy levels of the Pi molecular orbitals for this ion, show the electronic configuration and explain why the ion is aromatic.
When CO2 is bubbled through an ether solution of benzylmagnesium bromide, and the resulting mixture is acidified, phenylacetic acid is produced.
how many liters of H2 would be formed at 628 mm Hg and 14 degrees celcius if 22.5g of zinc was allowed to react
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