Use the drawing below to categorize the angle pairs given below.  Letters refer to points, numbers refer to angles.  Lines M and N are parallel to each other.  Lines P and Q are perpendicular to each other. What is the relationship of the follwoing pairs of angles?  Acceptable answers are (1) complimentary, (2) supplementary, or (3) equal. ∠12 and ∠13 are ∠2 and ∠8 are ∠3 and ∠5 are ∠1 and ∠5 are ∠1 and ∠6 are ∠6 and ∠8 are ∠10 and ∠15 are ∠2 and ∠3 are ∠1 and ∠14 are

The figure diagrams the driveway pad for the Cullen’s house.  It is made up of a semicircle, a rectangle, and a triangle. How much asphalt (in square feet) should be ordered to cover the pad? (Take = 3.14 and give your answer correct to the nearest whole number.  Be sure to show your work.)

How many total isomers and what isomer type (geometric and/or optical) does the complex ion [Fe(NH3)2(C2O4)2]2— have?

Which answer is closest to the solubility (in M) of the salt M2X3(s) (containing M3+ and X2— ions) in water containing 0.20 M X2— (aq) if Ksp=1.8 x 10—8?

What is closest to the [H3O+] in an aqueous 0.78 M (CH3)3NHBr solution at 25oC? 

The oxidation of sulfur dioxide to sulfur trioxide is a key reaction in sulfuric acid manufacturing: 2SO2 (g) + O2 (g)  ⇌  2SO3 (g)  K = 8 x 1024 at 25 oC  A container is filled with 0.50 atm SO2, 0.020 atm O2 and 0.15 atm SO3. Which answer is closest to ΔG in kJ/mol?

Which of the following are Lewis Acids?a. Cu2+                           b. NH3                            c. CN–                             d. BF3

Consider [Fe(CN)6]3—, which of the following statements are TRUE about this coordination complex? a. The complex is diamagnetic. b. The complex has a high-spin configuration. c. Fe is in the +3 oxidation state. d. The metal center has a d5 electron count. e. The coordination geometry is octahedral.

What is the percent dissociation for a 3.0 M aqueous solution of formic acid (HCOOH) at 25oC?

The most likely number of unpaired electrons in the coordination complex Na2[Fe(CN)4(CO)2] is: