Question 4

1. Which of the following is a base ?

   	A.	HCl
   	B.	H2CO3
   	C.	Ca(OH)2
   	D.	None of the above.

Question 5

1. A sample of Neon gas of mass 0.0615 moles occupies a volume of 0.639 L at 27oC and 1.00 atm pressure . Calculate the value of a gas constant, R.

   	A.	0.385 atm. L / mol. K
   	B.	0.0346 atm. L / mol.K
   	C.	346 atm . L / mol. K
   	D.	none of the above.

Question 7

1. How many significant figures are in the number 0.003405 ?

   	A.	7
   	B.	6
   	C.	5
   	D.	4

Question 11

1. Which of the following is an ester functional group ?

   	A.	CH3- CH2-O-CH2-CH3
   	B.	CH3- CH2-COO-CH2-CH3
   	C.	CH3- CH2-CO-NH2
   	D.	CH3- CH2-COOH

Question 6

1. The following reaction is an example of ____________________:

   HNO3(aq) + H2O(l) -----> H3O+(aq) + NO3−(aq)

   	A.	non electrolyte
   	B.	weak electropyte
   	C.	strong electrolyte
   	D.	None of the above.

Question 3

1. Which of the following is/are ionic compound ?

   	A.	Fe2O3
   	B.	NaCl
   	C.	A and B
   	D.	N2O5

4. What are the material properties to be input in 2-D stress-strain analysis?

5. What are the two sources of errors in FEA modeling? Explain.

For the reaction Br₂ (g) + Cl₂ (g) → 2 BrCl Kp = 1.11 x 10^-4 at 150K.
a) If 1.0 atm each of bromine and chlorine gas are placed in an otherwise empty 1 L container and allowed to equilibrate at a temperature of 150K, what will be the partial pressures at equilibrium of all three gases?
Br₂  atm
Cl₂  atm
BrCl  atm
b) suppose 0.2 atm each of all three gases are placed in a selaed container and allowed to equilibrate at 150K. What will be the partial pressure of BrCl at equiibrium?
atm

For the reaction N₂O₄ (g) → 2 NO₂ Kc = 0.513 at a temperature of 500K.
a) If the concentration of NO₂ is 0.1 M at equilibrium, what is the equilibrium concentration of N₂O₄ ?  M
b) If the equilibrium concentration of N₂O₄ is 0.0085 M, what is equilibrium concentration of NO₂?  M

Suppose a 3 ×3 MIMO system (three transmitters) achieves a similar performance as a 4 ×2 MIMO system (four transmitters), which system would you choose?

How many NADH are formed by the Krebs Cycle? (per glucose)

2. Calculate [OH-] of a 0.45 M solution of methylamine, CH3NH2 (Kb = 4.38 × 10-4). Then determine the pH and extent of dissociation.

Find f.

f ''(x) = 4 − 12x, f(0) = 6, f(2) = 10

4) Write a brief reflection of Task 2 and 3 which may include description on data type used to solve the given task, variable used, and objects created. Reflection should also include justification on logic used to solve the given task along with proper references

2C2H2 (g) + 5 O2 (g) ---------> 4 CO2 (g) + 2 H2O (g) + heat 3. Which of the following is true about reaction when the concentration of O2 (g) is decreased? a. Equilibrium will shift to the left. b. Equilibrium will shift to the right. c. No effect on the equilibrium. d. Equilibrium constant will decrease. 4. Which of the following is true about reaction when the temperature is increased? a. Equilibrium will shift to the left. b. Equilibrium will shift to the right. c. No effect on the equilibrium. d. No effect on the equilibrium constant. 5. Which of the following is true about reaction when the pressure is increased by decreasing the volume of the reaction container? a. Equilibrium will shift to the left. b. Equilibrium will shift to the right. c. No effect on the equilibrium. d. No effect on the heat produced.

2. Suppose a bin contains 20 manufactured parts and 4 of them are defective. Pick 3 parts randomly from the bin, with replacement and let X be the number of defective parts picked. Pick parts repeatedly from the bin, with replacement, and let Y be the number of picks until the first defective part is observed. Find the probability mass functions for X and Y .

3. Suppose a bin contains 20 manufactured parts and 4 of them are defective. Pick 3 parts randomly from the bin, without replacement and let X be the number of defective parts picked. Replace the 3 parts you just picked. Then pick parts repeatedly from the bin, without replacement, and let Y be the number of picks until the first defective part is observed. Find the probability mass functions for X and Y