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A 0.522 g sample of liquid C6H12 was combusted completely using excess oxygen inside a bomb (constant volume) calorimeter, with the products being carbon dioxide and liquid water. The calorimeter's heat capacity is 5.277 kJ °C-1.
If the temperature inside the calorimeter increased from 25.0 °C to 35.1 °C, determine ΔrH for this reaction in kJ mol-1 (with respect to C6H12) at 298 K. Do not worry about how realistic the final answer is.
In milk at 37 C, lactobacillus acidophilus has a generation time (doubling time) of about 75 minutes. Calculate the population relative to the initial value at 30,60,90 and 150 minutes
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The current concentration of carbon dioxide in the atmosphere is 378 ppmv. Annual anthropogenic additions to the atmosphere are about 8 Gt (as C) of which about 4 Gt are removed into the oceans and terrestrial environment.
which 1.0 m acid solution has the largest concentration of hydronium
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1.45 g sample of an iron ore is dissolved in acid and the iron obtained is fe2 aq. to titrate the solution 21.6 ml of
In alkene mechanisms, is the formation of an enantiomeric pair of sterioisomers possible for the final product. and Why
In a chemical reaction two water-soluble ionic substances react to form an insoluble solid precipitate in a metathesis reaction. Would you expect DS to be positive, negative, or close to zero for this reaction
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