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Calculate the concentrations of hydroxide and hydronium ions in a solution prepared by dissolving 0.308 g of solid NaOH in enough water to make 225 mL of solution. Kw = 1.0E-14. Hydroxide ion concentration?
A "little more" than 5 mL of a saturated solution of borax is transferred to the corresponding calibrated test tube and subsequently titrated with the standardized hydrochloric acid solution.
Lithium iodide has a lattice energy of -7.3 times 10^2kJmol and a heat of hydration of -793kj/mol. Find the heat of solution for lithium iodide.
The radioactive isotope tritium decays with a first-order rate constant k of 0.056 year-1. What fraction of the tritium initially in a sample is still present 30 years later?
The mole fraction of water in the product gas is monitored and found to have the value calculated in part (a) for the first 10hours of operation, but then it begins to increase. What is the most likely cause of the increase? If the process continu..
how many millileters of a 0.225 M HCL solution are needed to neutralize 259 mL of a 0.0309 M Ba(OH)2 solution.
Using curved arrows to show the flow of electrons and being careful to balance mass and charge for each step, provide a mechanism for the reaction below that show how both products are formed
If the barometeric pressure was 0.98 atm when the mercury level in an open-end manometer connected to a flask of gas was 177 mmHg higher on the side open to the atmosphere than on the flask side
A mutation in human ATPase 6 (which corresponds to E. coli subunit a) from leucine to arginine at position 156 may allow the movement of protons across the membrane, but not the rotation of the ring of c subunits.
Use the given molar solubilities in pure water to calculate Ksp for the given compound. Pd(SCN)2; molar solubility = 2.22 10-8 M
Draw molecular structure of the following compounds. Identify the : paraffins, olefins, alkynes, naphthenes,and aromatics.
Determine the pressure inside a container of a gas connected to an open-end manometer filled with CCl4, has the density = 1.594 g/cm3,
How is HCl a base if it has no OH ions in is formula to omit when dissolved? Where does it's O come from
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