A) A property that be measured the in water. of the particles. can only A proper

Question

A) A property that be measured the in water. of the particles. can only A property that enhances the solubility of a molecule not the nature A property that depends on the number of particals in solution, but gas. property that relates the re of a gas to the pressure of the reaction whose kinetics are second order? which of the following incarplat do you expectfor a Time Time A) A A student needs 25.0 mL of 20x 10-4 M red dye 40 solution. If the student has on hand 2.0 mM 40 solution, how much of the 2.0 mM solution should be added to the 25.0 mL volumetric flask? Hint, 2.0 is 0.0020 M 33 ml. B) 2.5 mL A) 1.8 mL solutions has the highest boiling point? 4) Which of the following aqueous Q 0.050 m zn (NO32 B) 0.050 m LiBr A) 0.050 m C6H1206 (glucose) 5) How many single and how many double b are present in the best Lewis structure of co32-? bonds BY2 single, 1 double bond A) Three single bonds Three double bonds 1 single, 2 double bonds

Explanation / Answer

Q2.

for 2nd order, the best fit is that of:

1/A = 1/A0 + kt

where the slope is k and 1/A0 is the intercept

so

choose B

Q3.

Mstock = 2*10^-3 M

Vstock = ?

Vfinal = 25

Mfinal = 2*10^-4

so

Mstok*Vstock = MfinalVfinal

(2*10^-4)(Vstock) = (2*10^-3)(25)

Vstock =  (2*10^-3)(25)/(2*10^-4) = 250 mL

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