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I have small time to answer question. I would be glad if you
could answer in...
QUESTION TWO (15 marks) A. A small chemical-industry tank fitted with a manometer as shown contains...
QUESTION TWO (15 marks) A. A small chemical-industry tank fitted with a manometer as shown contains a dense fluid with specific gravity S 3.0 and 20 cm deep. Workers should have added water to a depth of 15 cm above the dense fluid. What height Ah do you expect to find when you inspect the tank? (7 marks) 15 cm Water Ah? 20 cm S 3.0 B. A sea-water aquarium is planned to have a circular window with diameter D-80...
please I have short time and I want only the answer without the solution QUESTION 4...
please I have short time and I want only the answer
without the solution
QUESTION 4 A balance beam has a object of 51.1 g placed at a distance of 42. 4 cm to the right of the pivot When a second object is placed on the beam at a distance of 39 8 cm to the left of the pivot, the beam is in equilibrium. What is the mass of the second object, in units of grams?
What could I have done wrong in the saponification of the ester? I did not get soap 1.) Place .18 g of saturated triglyceride in a 5 mL short necked round bottom flask. 2.)Add 1.5 mL of a 50-50 wate...
What could I have done wrong in the saponification of the ester? I did not get soap 1.) Place .18 g of saturated triglyceride in a 5 mL short necked round bottom flask. 2.)Add 1.5 mL of a 50-50 water ethanol solution that contains .18 g of sodium hydroxide. 3.)Add an air condenser and gently reflux mixture on sand bath for 30 minutes Do not boil away ethanol -At the end of their reaction period, some of this soap will...
i would appreciate a quick answer please, thank you 2. A small sphere attached to a...
i
would appreciate a quick answer please, thank you
2. A small sphere attached to a light rigid rod rotates about an axis perpendicular to and fixed to the other end of the rod. Relative to the positive direction of the axis of rotation, the angular positions of the sphere are negative, its angular velocity is negative, and its angular acceleration is positive. The sphere is a. rotating clockwise and slowing down. b. rotating counterclockwise and slowing down. c. rotating...
Part A 1. If you had used more methylene chloride in each step, you could have...
Part A 1. If you had used more methylene chloride in each step, you could have extracted more caffeine. Explain why you did not. Hint - What step would have taken longer (Hint: not drying). PART A Mass of Beaker & Caffeine Mass of Beaker 167.750g 67.6809 Mass of Caffeine 0.0 75 Calculations. Show your work and circle the answers. Mass of caffeine recovered: 012919 b) Actual:.07 % caffeine recovered: a) Predicted: 9 7:213% b) Actual: 92.105% PART B Unknown...
If you could help answer the blanks and check what I have using the graph and info sheet that would be great...
If you could help answer the blanks and check what I have using the
graph and info sheet that would be great.
Questions: 1. Write the chemical reaction that occurs during the titration. NaOH + HCL NaCl + H₂O 2. Locate in the experiment the definition of equivalence point. Write it here. 3. Read the Plotting the Results section in the experiment and locate the equivalence point on the curve you've drawn using the method described. Mark it on your...
QUESTION: You are given a meterstick and asked to drill a small hole through it so...
QUESTION: You are given a meterstick and asked to drill a small hole through it so that, when the stick is pivoted about a horizontal axis through the hole, the period of the pendulum will be a minimum. Where should you drill the hole?(give the distance from the end of the meterstick) Hint: The rotational inertia I of the pendulum can be calculated using the parallel axis theorem. PLEASE FOLLOW THE FORMAT LISTED BELOW Paper Homework Format: For full credit,...
Could you please guys answer these problems as soon as possible. I need to submit on...
Could you please guys answer these problems as soon as possible. I need to submit on friday thank you in advance 1. An object is placed at a certain distance s of a mirror of focal length 20.0 com and an erect image 4 times the size of the object is formed. Where is the object located relative to the mirror? 2. An object is placed 5.00 m from a wall. You are to use a mirror to project an...
could you please check the answers for 21. 22. 23 and 24. please. I would like...
could you please check the answers for 21. 22. 23 and 24. please. I
would like to see if I got these right
agnose U lamphenicol b. Enrofloxacin c. Optimmune d. Acarexx 21. How many milligrams of tropicamide are in a 0.5% solution? a. 50 mg b. 500 mg c. 5 mg d. 0.5 mg 22. If the veterinarian prescribes amphotericin B in a 0.15% solution for ocular administration at a rate of 0.2 ml in the eye every 4...
(c) Fuel oil, with a density of 870 kg m-, is pumped through a horizontal pipe,...
(c) Fuel oil, with a density of 870 kg m-, is pumped through a horizontal pipe, as shown in Figure Q2.2. The pipe is 100 mm in diameter and contains an orifice plate with a throat diameter of 40 mm. The pressure drop across the orifice is measured on a U-tube manometer, containing mercury with a specific gravity 13.6. The difference in levels of the columns is measured as 45 mm. The coefficient of discharge for the orifice plate Ca...
QUESTION TWO (15 marks) A. A small chemical-industry tank fitted with a manometer as shown contains a dense fluid with specific gravity S 3.0 and 20 cm deep. Workers should have added water to a depth of 15 cm above the dense fluid. What height Ah do you expect to find when you inspect the tank? (7 marks) 15 cm Water Ah? 20 cm S 3.0 B. A sea-water aquarium is planned to have a circular window with diameter D-80...
please I have short time and I want only the answer
without the solution
QUESTION 4 A balance beam has a object of 51.1 g placed at a distance of 42. 4 cm to the right of the pivot When a second object is placed on the beam at a distance of 39 8 cm to the left of the pivot, the beam is in equilibrium. What is the mass of the second object, in units of grams?
i
would appreciate a quick answer please, thank you
2. A small sphere attached to a light rigid rod rotates about an axis perpendicular to and fixed to the other end of the rod. Relative to the positive direction of the axis of rotation, the angular positions of the sphere are negative, its angular velocity is negative, and its angular acceleration is positive. The sphere is a. rotating clockwise and slowing down. b. rotating counterclockwise and slowing down. c. rotating...
Part A 1. If you had used more methylene chloride in each step, you could have extracted more caffeine. Explain why you did not. Hint - What step would have taken longer (Hint: not drying). PART A Mass of Beaker & Caffeine Mass of Beaker 167.750g 67.6809 Mass of Caffeine 0.0 75 Calculations. Show your work and circle the answers. Mass of caffeine recovered: 012919 b) Actual:.07 % caffeine recovered: a) Predicted: 9 7:213% b) Actual: 92.105% PART B Unknown...
If you could help answer the blanks and check what I have using the
graph and info sheet that would be great.
Questions: 1. Write the chemical reaction that occurs during the titration. NaOH + HCL NaCl + H₂O 2. Locate in the experiment the definition of equivalence point. Write it here. 3. Read the Plotting the Results section in the experiment and locate the equivalence point on the curve you've drawn using the method described. Mark it on your...
could you please check the answers for 21. 22. 23 and 24. please. I
would like to see if I got these right
agnose U lamphenicol b. Enrofloxacin c. Optimmune d. Acarexx 21. How many milligrams of tropicamide are in a 0.5% solution? a. 50 mg b. 500 mg c. 5 mg d. 0.5 mg 22. If the veterinarian prescribes amphotericin B in a 0.15% solution for ocular administration at a rate of 0.2 ml in the eye every 4...
(c) Fuel oil, with a density of 870 kg m-, is pumped through a horizontal pipe, as shown in Figure Q2.2. The pipe is 100 mm in diameter and contains an orifice plate with a throat diameter of 40 mm. The pressure drop across the orifice is measured on a U-tube manometer, containing mercury with a specific gravity 13.6. The difference in levels of the columns is measured as 45 mm. The coefficient of discharge for the orifice plate Ca...
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