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At 55° the decomposition of N2O5 is first order,having a rate constant,k = 1.7 × 10-3 s-1.If the initial concentration of N2O5 is 6.4 × 10-3 M,the number of half-lives that are required for the N2O5 concentration to fall to 2.0 × 10-4 M is ________,and the amount of time required is ________ minutes.
Rounded Cobbles
Naturally smoothed and rounded small rocks, typically found in riverbeds or beaches, formed by the action of water.
Permeability
A measure of the ability of a material to transmit a fluid.
Natural Cement
A type of cement that naturally forms from the chemical reaction of limestone with clay minerals under specific conditions.
Pores
Small openings on a surface, which allow for the passage of gases, liquids, or microscopic particles.
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