Estimate the first-order rate constant for its decay
Estimate the first-order rate constant for its decay, in units of years -1 when the Carbon-14 is a radioactive isotope which decays with a half-life of 5730 years.
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By mixing the 2.17g of an unknown non-electrolyte a solution is prepared with the 225.0g of chloroform. The freezing point of the mixture is -64.1g Celsius, while the freezing point of chloroform is-63.5 Celsius.
Plot points and make possible sketch of graph off on interval [-6,6]. Find smallest critical number of critical points in interval? Describe.
A thermos is a container with vacuum among its inner and outer walls. Describe why removing air among the walls reduces the heat exchange between the contents of the thermos and surroundings.
In what two ways might the presence of significant amounts of benzoic acid impurity be harmful to the benzoic condensation if the Benzaldehyde is easily oxidized to benzoic acid by oxygen in the air?
Discuss how long will it take the concentration of A to drop from the 0.75 M to0.25 M when the rate constant for the reaction 3A ® 4B is 6.00 ´10 -3 L mol -1min -1.
Starting with 1.00 ´ 10 20molecules of reactant at time t = 0, a first-order reaction has a half-life of 20.0 minutes. Determine the numbers of molecules remain un-reacted after the 100.0 minutes?
Explain how do you separate impurities from the solid you are purifying in an ideal solvent in each of these situations
If this energy is derived from the combustion of methane (CH4) at standard conditions (25oC and 1 atm), the heat of combustion of methane is 889.967 kJ/mol and the density of methane is 0.0680kg/m3.
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