Academic Integrity: tutoring, explanations, and feedback — we don’t complete graded work or submit on a student’s behalf.

If a 100 mL soln of a mix of 10 g NaCl & 10 g sucrose shows a cond of 1,000, a 5

ID: 830269 • Letter: I

Question

If a 100 mL soln of a mix of 10 g NaCl & 10 g sucrose shows a cond of 1,000, a 50 mL soln of a mix of 4 g NaCl with 6 g sucrose shows a cond of

400

For the rate law: rate = k[A]2[B], tripling [A] while halving [B] changes the rate by a factor of

4.5

Spontaneous dissolving under standard-state conditions at 25oC occurs with a mix of

Na2CO3 & CH2Cl2

The following NLC system which shows equilibrium between solute and solvent is

2 M NaCl

The following species which is not polar is

A. 3,000 B. 1,000 C. 800 D.

400

For the rate law: rate = k[A]2[B], tripling [A] while halving [B] changes the rate by a factor of

A. 6 B. 7.5 C. 9 D.

4.5

Spontaneous dissolving under standard-state conditions at 25oC occurs with a mix of

A. CH2Cl2 & H2O B. CH2Cl2 & hexane C. KNO3 & methanol D.

Na2CO3 & CH2Cl2

The following NLC system which shows equilibrium between solute and solvent is

A. 1 g NaCl & 100 mL H2O   B. 1 mL H2O & 3 mL methanol C. 3 g KNO3 & 10 mL methanol D.

2 M NaCl

The following species which is not polar is

A. XeO3 B. TeI4 C. NO2 D. PCl5

Explanation / Answer

1) B

2) D

3) B

4) C

5)D

Hire Me For All Your Tutoring Needs
Integrity-first tutoring: clear explanations, guidance, and feedback.
Drop an Email at
drjack9650@gmail.com
Chat Now And Get Quote