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Calculate the wavelength of a neutron that has a velocity of 250 cm/s. (The mass of a neutron = 1.675 × 10-24 g)
Assume that the complete combustion of one mole of ethanol to carbon dioxide and water liberates 1370 kJ/mol (?G°\' = -1370 kJ/mol). If the energy generated by the combustion of ethanol is entirely converted to the synthesis of a hypothetical comp..
the water for the pan is not saturated with CO2. Will the reported percent CaCO3 in the original sample be too high, too low, or unaffected? Explain
Determine the freezing point (°C) of a 0.015 molal aqueous solution of MgSO4. Assume i = 2.0 for MgSO4. The molal freezing-point-depression constant of water is 1.86 °C/m..
Calculate the pH of this buffer solution after the addition of 0.010 moles of solid sodium hydroxide to the buffer
When blood is donated, sodium oxalate solution is used to precipitate Ca2+, which triggers clotting. A 108mL sample of blood contains 9.7*10^-5g Ca2+/mL
What is the pH of this buffer solution? (Neglect the volume change that occurs with addition of solid sodium nitrite) b.) Calculate the pH when 2.00 mL of 0.0275 M NaOH are added to 50.0 mL of buffer solution.
how the hydrogen oxalate ion can be both a bronsted acid and a bronsted base
what the oxidation state P in PO4^-2? what the oxidation state O in PO4^-2?
calculate the freezing point of a nonionizing antifreeze solution containing 388 g ethylene glycol, C2H6O2 and 409 g of water.
Calculate the total concentration of lead for a system containing a fixed concentration (0.01 M) of KI. Note (s) denotes solid and (aq) denotes aqueous
If the gas was not pure butane but 10 mole percent propane and 90 mole percent butane then determine how would the MW value be affected?
Which one of the following derivatives of ethane has the highest boiling point?
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