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10. (10 marks) A particular solution in a particular capillary has an electroosmotic mobility of ...
Q6(a) The equilibrium distribution of ammonia between air and water at low concentration at a particular...
Q6(a) The equilibrium distribution of ammonia between air and water at low concentration at a particular temperature is y = 1.2 x. At a certain point Page 3 of 5 in a mass transfer device, the concentration of solute A in the bulk air is 0.04 (mass fraction) and that in the bulk aqueous phase is 0.025(mass fraction). The individual mass transfer coefficient for the transport of A in the gas phase and liquid phase are ky = 7.5 kmol/m²h...
A particular human hair has a Young's modulus of 3.80 x 10 N/m² and a diameter...
A particular human hair has a Young's modulus of 3.80 x 10 N/m² and a diameter of 150 um. If a 234 g object is suspended by the single strand of hair that is originally 15.0 cm long, by how much AL hair will the hair stretch? AL hair = m If the same object were hung from an aluminum wire of the same dimensions as the hair, by how much ALA would the aluminum stretch? ALAI = ALA =...
5.19 od of radius 1.5 cm in sistivities of copper and 5.11 A composite conductor 10...
5.19
od of radius 1.5 cm in sistivities of copper and 5.11 A composite conductor 10 m long consists of an inner core of steel of radi an outer sheath of copper whose thickness is 0.5 cm. Take the resistivities of steel as 1.77 X 10 and 11.8 X 10" . m, respectively. (a) Determine the resistance of the conductor (b) If the total current in the conductor is 60 A, what current flows in each metal? (c) Find the...
Two Nichrome wires The following questions refer to the circuit shown in the figure, consisting of...
Two Nichrome wires
The following questions refer to the circuit shown in the figure,
consisting of two flashlight batteries and two Nichrome wires of
different lengths and different thicknesses as shown (corresponding
roughly to your own thick and thin Nichrome wires). The thin wire
is 54 cm long, and its diameter is 0.25 mm. The thick wire is 15 cm
long, and its diameter is 0.39 mm.
(a) The emf of each flashlight battery is 1.5 volts. Determine
the steady-state...
A 62.5 m length of insulated copper wire is wound to form a solenoid of radius 2.3 cm. The copper wire has a radius of 0.51mm. (Assume the resistivity of copper is ρ = 1.7 ✕ 10−8 Ω · m.) (a) What is t...
A 62.5 m length of insulated copper wire is wound to form a solenoid of radius 2.3 cm. The copper wire has a radius of 0.51mm. (Assume the resistivity of copper is ρ = 1.7 ✕ 10−8 Ω · m.) (a) What is the resistance of the wire? Ω (b) Treating each turn of the solenoid as a circle, how many turns can be made with the wire? turns (c) How long is the resulting solenoid? m (d) What is...
Clearly state your solution path. Partial credit will only be given for clear steps. Units must...
Clearly state your solution path. Partial credit will only be given for clear steps. Units must be provided or points will be subtracted. Clearly label the end result, use double lines to underscore or box the final result. Note the equation sheet is on the back. (10 pt) An electron enters a region between two capacitor plates with equal and opposite charges. The plates are L=0.1 m by 0.05 m and the gap between the plates is h=0.001 m. During...
CENTRE INDEX NUMBER SECTION B 30 marks] Calculate the discharge through a pipe of diameter 200...
CENTRE INDEX NUMBER SECTION B 30 marks] Calculate the discharge through a pipe of diameter 200 mm when the difference of pressure head between the ends of the pipe 500 m apart is 4 m of water. Take the value off= 0.009 in the formula hl= a) 19.5e/s b)2.0es e)03 m's d) 29.3 e/s 2. A scale 1:50 scale model of ship is towed through sea water at a speed of 1 ms. A force of 2 N is required...
A chemistry teacher needs to make 2.30 L of a potassium chloride solution for an experimen...
A chemistry teacher needs to make 2.30 L of a potassium chloride solution for an experimen The concentration of the required solution is 3.10 M. How many grams of KCI will she need to use? 0 7.13 g KCI 0 231 g KCI O 532 g KCI 0.0956 g KCI What is the equation for the ion product constant of water at 25 °C? Kw [H,0+][OH-] [H,O] = 1.00 x 10-14 Kw [H,0+1 [OH-] = 1.00 x 10-14 Kw =...
What is the theoretical yield (in grams) and percent yield of your triphenylmethanol product in this...
What is the theoretical yield (in grams) and percent yield of your
triphenylmethanol product in this experiment? (Weight of
triphenylmethanol: 0.060g)
BACKGROUND AND THEORY The Grignard reaction was one of the first organometallic reactions discovered and is still one of the most useful synthetically. By reacting an organohalide (usually a bromide) with magnesium in ethereal solvent, carbon becomes a nucleophile. Grignard reagents are the starting points for the syntheses of many alkanes, primary, secondary, and tertiary alcohols, alkenes, and carboxylic...
1. Oral acetaminophen has been ordered for a young child who has a fever. A liquid...
1. Oral acetaminophen has been ordered for a young child who has a fever. A liquid form has been obtained by the nurse to increase the chance of problem free administration. Prior to administration, the nurse is going through the rights of medication administration. When confirming the right dose, what term is the most appropriate? a. "160 mg" b. "one teaspoon" c. "one third of a tablespoon d. "SmL 2. A pregnant woman asks why she needs to take a...
Q6(a) The equilibrium distribution of ammonia between air and water at low concentration at a particular temperature is y = 1.2 x. At a certain point Page 3 of 5 in a mass transfer device, the concentration of solute A in the bulk air is 0.04 (mass fraction) and that in the bulk aqueous phase is 0.025(mass fraction). The individual mass transfer coefficient for the transport of A in the gas phase and liquid phase are ky = 7.5 kmol/m²h...
A particular human hair has a Young's modulus of 3.80 x 10 N/m² and a diameter of 150 um. If a 234 g object is suspended by the single strand of hair that is originally 15.0 cm long, by how much AL hair will the hair stretch? AL hair = m If the same object were hung from an aluminum wire of the same dimensions as the hair, by how much ALA would the aluminum stretch? ALAI = ALA =...
5.19
od of radius 1.5 cm in sistivities of copper and 5.11 A composite conductor 10 m long consists of an inner core of steel of radi an outer sheath of copper whose thickness is 0.5 cm. Take the resistivities of steel as 1.77 X 10 and 11.8 X 10" . m, respectively. (a) Determine the resistance of the conductor (b) If the total current in the conductor is 60 A, what current flows in each metal? (c) Find the...
Two Nichrome wires
The following questions refer to the circuit shown in the figure,
consisting of two flashlight batteries and two Nichrome wires of
different lengths and different thicknesses as shown (corresponding
roughly to your own thick and thin Nichrome wires). The thin wire
is 54 cm long, and its diameter is 0.25 mm. The thick wire is 15 cm
long, and its diameter is 0.39 mm.
(a) The emf of each flashlight battery is 1.5 volts. Determine
the steady-state...
Clearly state your solution path. Partial credit will only be given for clear steps. Units must be provided or points will be subtracted. Clearly label the end result, use double lines to underscore or box the final result. Note the equation sheet is on the back. (10 pt) An electron enters a region between two capacitor plates with equal and opposite charges. The plates are L=0.1 m by 0.05 m and the gap between the plates is h=0.001 m. During...
CENTRE INDEX NUMBER SECTION B 30 marks] Calculate the discharge through a pipe of diameter 200 mm when the difference of pressure head between the ends of the pipe 500 m apart is 4 m of water. Take the value off= 0.009 in the formula hl= a) 19.5e/s b)2.0es e)03 m's d) 29.3 e/s 2. A scale 1:50 scale model of ship is towed through sea water at a speed of 1 ms. A force of 2 N is required...
A chemistry teacher needs to make 2.30 L of a potassium chloride solution for an experimen The concentration of the required solution is 3.10 M. How many grams of KCI will she need to use? 0 7.13 g KCI 0 231 g KCI O 532 g KCI 0.0956 g KCI What is the equation for the ion product constant of water at 25 °C? Kw [H,0+][OH-] [H,O] = 1.00 x 10-14 Kw [H,0+1 [OH-] = 1.00 x 10-14 Kw =...
What is the theoretical yield (in grams) and percent yield of your
triphenylmethanol product in this experiment? (Weight of
triphenylmethanol: 0.060g)
BACKGROUND AND THEORY The Grignard reaction was one of the first organometallic reactions discovered and is still one of the most useful synthetically. By reacting an organohalide (usually a bromide) with magnesium in ethereal solvent, carbon becomes a nucleophile. Grignard reagents are the starting points for the syntheses of many alkanes, primary, secondary, and tertiary alcohols, alkenes, and carboxylic...
1. Oral acetaminophen has been ordered for a young child who has a fever. A liquid form has been obtained by the nurse to increase the chance of problem free administration. Prior to administration, the nurse is going through the rights of medication administration. When confirming the right dose, what term is the most appropriate? a. "160 mg" b. "one teaspoon" c. "one third of a tablespoon d. "SmL 2. A pregnant woman asks why she needs to take a...
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