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For the hypothetical second order reaction: A --> products, the general rate law is: rate=k[A]^2. How long is the third half-life of the reaction if [A]0 is 0.080M and the first half life is 22 min?
Choose all of the processes from below which describe changes which are independent of the path by which the change occurs the elevation increase experienced by a traveller travelling from Grand Isle
A 0.300 M solution of an acid, HZ, has a pH = 1.301. What is the value of the ionization constant, Ka, for this acid
The hydrolysis of ethyl acetate (CH3COOC2H5) by sodium hydroxide yields ethanol (C2H5OH) and sodium acetate (NaO2CCH3) by the reaction shown
After 20 min, a reactant has decomposed to 85% of its original concentration. What additional information would allow you to solve for k
If Ka is 1.85 x 10-5 for actetic acid, calculate the pH at one-half the equivalence point and at the equivalence point for a titration of 50 mL of 0.100 M acetic acid with 0.100 M NaOH
The mole fraction of A in the vapor is found to be 0.67. What is the mole fraction of A in the solution?
Calculate the mass of nitrogen dissolved at room temperature in an 77.0 home aquarium. Assume a total pressure of 1.0 and a mole fraction for nitrogen of 0.78.
Describe how you would prepare each of the following aqueous solutions. - 230 g of a solution that is 0.60 molal in Na2CO3 starting with the solid solute.
Choose the substance with the highest vapor pressure at a given temperature. sis2, bf3,rbcl, sbh3, ch3sch
what volume of methane, measured at STP, must be burned? (ΔH°combustion for CH4 = -891 kJ/mol)
The reaction depicted in this reaction energy diagram can best be described as (a) a slow exothermic reaction (b) a fast exothermic reaction (c) s slow endothermic reaction (d) a fast endothermic reaction
The melting points of NaF, NaCl, NaBr and NaI are 988, 801, 755 and 651 degrees Celsius, respectively. Are these data consistent with ideas developed in Section 12-5
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