Find the pH of solutions starting with 25mL of 0.2 M C5H5N + (following table amounts) Kb=1.7e-9

A 0.2 m3 rigid tank contains 5 kg of water (in any phase or phases) at 600 kPa. Which of the following values is closest to the temperature of the water in the tank?

a)159 ℃

b)389

c)381

d)246

e)152

A U-tube manometer employs a special oil having a specific gravity of 0.2 for the manometer fluid. One side of the manometer is open to local atmospheric pressure of 24.3 inHg and the difference in column heights is measured as 10 cm±1.0 mm when exposed to an air source at 35◦C. Standard acceleration of gravity is present. Calculate the pressure of the air source in pascals and its uncertainty.

1. (a)Plot the Voltage vs. Displacement graph of LVDT Transducer by moving the core in steps of 0.1mm in both Left and Right directions. (b)Calculate the Sensitivity of LVDT Transducer from the above graph. (c) What is the relationship between input voltage and output voltage of Transformer, given N1, N2 are number of turns in the primary and secondary coils respectively?

Thermodynamics

Air at 3.5 MPa and 500°C is expanded in an adiabatic gas turbine to 0.2 MPa. Assume that the process is reversible. Changes in KE and PE may be neglected and the average temperature of the gases is 550 K.

(a) Create a schematic representation of the equipment. (b) Represent the process on a T-s diagram. (c) Determine the polytropic exponent. (d) Determine the change in entropy for this expansion process

8. You have prepared a 0.2 M acetate solution with a pH = 4.76. Determine the resulting pH when the acids and bases below are added to the solution. The pKa of CH3COOH is 4.76.

a. 0.025 M HCl

b. 0.050 M HCl

c. 0.025 M NaOH

d. 0.050 M NaOH

e. 0.050 M HCl and 0.025 M NaOH

f. 0.025 M HCl and 0.050 M NaOH

7: Consider Emily who has a personal wealth of $10,000, and has a probability of 0.2 of losing her car worth $6,400 in an accident. Her utility (of wealth) function is given by  u(w) =  w^0.5, (w = wealth).     

(a) What is Emily's expected wealth, expected utility, and utility of expected wealth? How much would it cost her if she can insure "fully", and if this insurance is fair?

(b) For full insurance, what is the max amount Emily would pay? If she does not have any insurance, determine the certainty equivalent and the risk premium associated with her uncertain situation? Determine the difference if her utility of wealth function was instead  u(w) = 5w?

7: Consider Emily who has a personal wealth of $10,000, and has a probability of 0.2 of losing her car worth $6,400 in an accident. Her utility (of wealth) function is given by u(w) = w0.5, (w = wealth). (a) What is Emily's expected wealth, expected utility, and utility of expected wealth? How much would it cost her if she can insure "fully", and if this insurance is fair? (b) For full insurance, what is the max amount Emily would pay? If she does not have any insurance, determine the certainty equivalent and the risk premium associated with her uncertain situation? Determine the difference if her utility of wealth function was instead u(w) = 5w?

Use the following to answer questions 7-10:

A = 4.0 m ± 0.2 m,

B = 3.1 m ± 0.4 m,

C = 10.0 m/s ± 0.5 m/s,

D = 0.5 s ± 0.01 s

Be sure to include appropriate error in your answers

Find

A+B=

C*D=

B/D=

A/D+C=

The probability that an individual without a college education earns more than $100,000 is 0.2, whereas the probability that a person with a B.S. or higher degree earns more than $100,000 is 0.6. The probability that a person chosen at random has a B.S. degree is 0.5. What is the probability that a person has at least a B.S. degree if it is known that he or she earns more than $100,000? (Round your answer to four decimal places.)