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A solution has a hydroxide-ion concentration of 9.22 × 10-5 M. What is its hydronium-ion concentration?
At 46 C a sample of ammonia gas exerts a pressure of 4.27 atm. what is the pressure when the volume of the gas is reduced to one-fourth of the original value at the same temperature
Write a structural formula and a line-angle formula of each isomer of C4H8. Do not include any cyclic structure. Write the IUPAC name of each isomer. Make sure to include the cis- or tran- in the name if applicable.
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?
Construct the MO diagram for planar BH3 and for pyramidal BH3. Based on your MO diagram , why is BH3 planar?
Determine the theoretical volume of NaOH it should take to neutralize the sulfuric acid in the equilibrium reaction mixture.
Calculate the work (in kJ) when 2.60 moles of hydrogen gas are produced from the reaction of sodium in excess water at 298 K: 2Na(s) + 2H2O(l) ? 2NaOH(aq) + H2(g)
How do the enthalpy of dissolution, the crystal lattice energy, and the solvation energy of the two salts relate to these experimental observations?
how many liters of o2 can be made from 342 g of h2o2?the density of h2o2 is 1.463gml and the density of o2 is 1.428 gl.
MnSO4(aq) is converted to MnO2(s) in a basic medium as oxygen gas is converted to hydroxide ion. In this case, is the sulfate ion a spectator ion. (NaOH is also present. Is sodium ion also a spectator ion
A gas has a mass of 0.305 g, volume of 25 ml at 2 ATM and 0 degrees Celsius. The gas consists of bromine and fluorine. What is the molecular weight and the chemical formula
what is the free energy change (DG) when protons are pumped across the membrane from the side of the membrane with low concentration to the side with high proton concenration at body temperature (37C)? The membrane potential is 0.06. Report your a..
State the Law of Combining Volumes and provide an example of your own construction which demonstrates this law
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