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Problems Exercise 47 Assuming that an ounce (weight), how much does a gallon of water weigh,...
A bathtub contains 65 gallons of water and the total weight of the tub and water...
A bathtub contains 65 gallons of water and the total weight of the tub and water is approximately 861.425 pounds. You pull the plug and the water begins to drain Let v represent the number of gallons of water that has drained from the tub since the plug was pulled. Note that water weights 8.345 pounds per gallon. a. Write an expression in terms of u that represents the weight of the water that has drained from the tub (in...
QUESTION 1 Assuming air to be an ideal gas with a molecular weight of 28.967, what...
QUESTION 1 Assuming air to be an ideal gas with a molecular weight of 28.967, what is the density of air at 1.5 atm and 567 °C? Answer units in kg/m”. QUESTION 2 A 35 m X 35 m swimming pool is filled with water to a depth of 3.1 m. How much heat is required to raise the temperature of the water in the pool from 12 °C to 25 °C? Answer units in GJ. QUESTION 3 What is...
Assuming that the behavior of the gas is ideal. How much pressure would exercise 0.0468g of...
Assuming that the behavior of the gas is ideal. How much pressure would exercise 0.0468g of NH3 (molecular mass = 17 g / mol) on the walls of a container from 4.00L to 35.0oC? a) 0.0174 atm b) 0.296 atm c) 0.00198 atm d) 0.278 atm A sample of an unknown gas was added to a flask. It was heated in a water bath up to 100oC. When weighing the flask, the difference in weight was 0.504g and the volume...
These are differential equation problems. Pease show clear and legible work. A 100 gallon tank is filled with a sa...
These are differential equation problems. Pease show clear and
legible work.
A 100 gallon tank is filled with a salt solution containing 10 lbs of salt. Pure water is pumped in at a rate of 5 gallons per minute and pumped out at the same rate. How many minutes will it take the amount of salt to drop to 2 lbs? Round to one decimal place. A 200 gallon tank initially has 100 gallons of a salt solution that contains...
A young boy, named Harry, climbs to the top of a 20.0-meter-high water slide at an...
A young boy, named Harry, climbs to the top of a 20.0-meter-high water slide at an amusement park. Harry weighs 450.0 N. You can neglect friction when Harry slides down the water slide because of the water that flows down with him. Assume that it takes Harry an average of 45 seconds to climb the stairs that lead to the top of the water slide and about 5.5 seconds to slide down the slope of the water slide. What is...
Please answer all questions below. How much weight gain should occur in the first trimester? Why...
Please answer all questions below. How much weight gain should occur in the first trimester? Why is the amount less than in the second and third trimesters? How many pounds should women who are at ideal weight, gain during pregnancy? What is the hormonal aberration in many overweight women and how does this affect the likelihood of conception? In a normal pregnancy, does blood pressure go up or down? What is the name of the organ that supplies O2 and...
Do heavier cars really use more gasoline? Suppose a car is chosen at random. Let x be the weight of the car (in hundreds of pounds), and let y be the miles per gallon (mpg). x 29 44 33 47 23 40 34 52...
Do heavier cars really use more gasoline? Suppose a car is chosen at random. Let x be the weight of the car (in hundreds of pounds), and let y be the miles per gallon (mpg). x 29 44 33 47 23 40 34 52 y 32 20 26 13 29 17 21 14 Complete parts (a) through (e), given Σx = 302, Σy = 172, Σx2 = 12,064, Σy2 = 4036, Σxy = 6066, and r ≈ −0.902. (a) Draw...
ID Problems 46) A piece of silver (Ag) metal weighing 194.3 g is placed in a...
ID Problems 46) A piece of silver (Ag) metal weighing 194.3 g is placed in a graduated cylinder containing 242.0 mL of water. The volume of water now reads 260.5 mL. From these data calculate the density of silver 47) The following procedure was used to determine the volume of a flask. The flask was weighed dry and then filled with water. If the masses of the empty flask and filled flask were 56.12 g and 87.39 g, respectively, and...
38 w Jersey requires that engineering design of water, storm, wastewater and air systens be colabor because within the space of 800 square miles, live about 3 milion people. This means each perso...
38 w Jersey requires that engineering design of water, storm, wastewater and air systens be colabor because within the space of 800 square miles, live about 3 milion people. This means each person can affect the ar 4u and water resources of another person. To add to the complexity of overlapping resource demands is the institutional complexity of independent municipal jurisdictions. There are over 150 separate municipal sewer and water utilities a separately elected munioipal council and mayor. Therefore, because...
A bathtub contains 65 gallons of water and the total weight of the tub and water is approximately 861.425 pounds. You pull the plug and the water begins to drain Let v represent the number of gallons of water that has drained from the tub since the plug was pulled. Note that water weights 8.345 pounds per gallon. a. Write an expression in terms of u that represents the weight of the water that has drained from the tub (in...
QUESTION 1 Assuming air to be an ideal gas with a molecular weight of 28.967, what is the density of air at 1.5 atm and 567 °C? Answer units in kg/m”. QUESTION 2 A 35 m X 35 m swimming pool is filled with water to a depth of 3.1 m. How much heat is required to raise the temperature of the water in the pool from 12 °C to 25 °C? Answer units in GJ. QUESTION 3 What is...
These are differential equation problems. Pease show clear and
legible work.
A 100 gallon tank is filled with a salt solution containing 10 lbs of salt. Pure water is pumped in at a rate of 5 gallons per minute and pumped out at the same rate. How many minutes will it take the amount of salt to drop to 2 lbs? Round to one decimal place. A 200 gallon tank initially has 100 gallons of a salt solution that contains...
ID Problems 46) A piece of silver (Ag) metal weighing 194.3 g is placed in a graduated cylinder containing 242.0 mL of water. The volume of water now reads 260.5 mL. From these data calculate the density of silver 47) The following procedure was used to determine the volume of a flask. The flask was weighed dry and then filled with water. If the masses of the empty flask and filled flask were 56.12 g and 87.39 g, respectively, and...
38 w Jersey requires that engineering design of water, storm, wastewater and air systens be colabor because within the space of 800 square miles, live about 3 milion people. This means each person can affect the ar 4u and water resources of another person. To add to the complexity of overlapping resource demands is the institutional complexity of independent municipal jurisdictions. There are over 150 separate municipal sewer and water utilities a separately elected munioipal council and mayor. Therefore, because...
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