A volume of 8000 ml of a liquid is poured into a tank co
A volume of 8000 ml of a liquid is poured into a tank containing 3000 ml of the liquid. The initial mass of the tank and liquid is 10kg and the final mass is m. write an expression in terms of m for the mass of the empty tank.
A balloon contains 50 g of liquid. If the mass of liquid in the balloon is increased to m, the balloon swells by 18ml. write an expression in terms of m for the volume of one gram of this liquid.
Homework Answers
10. a) Report the volume (in mL) of liquid inside the graduated cylinder by reading the...
10. a) Report the volume (in mL) of liquid inside the graduated cylinder by reading the bottom of the meniscus (curved surface). 36.5 mL . b) What is the mass (in grams) of the liquid (d = 21.7 dg/ce) inside 881 the 50 mL graduated cylinder? de 88.188 g A ?g 50 mL graduated cylinder c) If all of the liquid inside the graduated cylinder was poured into the glass cup, what will the combined mass (in g) of both...
A rigid tank with a total volume of 0.8m3 initially contains water in the form of...
A rigid tank with a total volume of 0.8m3 initially contains
water in the form of a saturated liquid-vapour mixture at
P1=500kPa. The liquid portion of the mixture initially occupies a
volume of only 0.5L (the remainder is vapour). Steam from a supply
line at Pi=1000kPa and Ti=500°C is then injected into the tank
until the pressure in the tank reaches P2=800kPa. At this point
(final state), the mass in the tank is m2=2.8kg.
a) Find the initial quality x1...
2.41 A closed, rigid tank contains 10 lbn water at a pressure of 60 psia and...
2.41 A closed, rigid tank contains 10 lbn water at a pressure of 60 psia and a quality of 0.92. The water is heated until its pressure has increased to 120 psia. Calculate the following quantities: (a) the mass of liquid water in the tank at the initial state (b) the mass of the water vapor in the tank at the initial state (c) the initial temperature of the water in the tank (d) the volume of the tank (e)...
A tank contains 500 kg of a liquid whose specufic gravity is 2. Determine the volume...
A tank contains 500 kg of a liquid whose specufic gravity is
2. Determine the volume of the liquid in the tank.
1.29 A tank contains 500 kg of a liquid whose specific gravity is 2. Determine the volume of the liquid in the tank. 130 Clouds can weigh thousands of pounds due to their liquid water content. Often this content is measured in grams per cubic meter g/m3.Assume that a cumulus cloud occupies a volume of one cubic kilometer,...
1. A rigid (constant volume) tank sealed by a valve initially contains 100 kg of air...
1. A rigid (constant volume) tank sealed by a valve initially contains 100 kg of air at a pressure of 100 kPa and 300 K. At time t = 0, the valve for the air tank is opened in a controlled manner and air leaks out isothermally (constant temperature) of the tank at a constant mass flow rate of 1 kg/s. The valve is closed after 75 seconds. Answer the following questions: Assuming air is an ideal gas, what is...
2. In the constant volume, stirred-tank heater shown in the figure below, the flow rates and...
2. In the constant volume, stirred-tank heater shown in the figure below, the flow rates and material properties are held constant. The tank contains a heating element, which is initially off and the tank is the same temperature as the inlet stream. When t=0, the heater is turned on to a constant heating rate Q. For this material, assume C = C = Cp = Cy. m,Ti P,V,C, T(t) ń, r(t) o a. Write a transient thermal energy balance to...
A U-tube contains liquid of unknown density. An oil of density 770 kg/m³ is poured into...
A U-tube contains liquid of unknown density. An oil of density
770 kg/m³ is poured into one arm of the tube until the oil column
is 13.5 cm high. The oil-air interface is then 4.5 cm above the
liquid level in the other arm of the U-tube. Find the density of
the liquid.
A raft is made of 11 logs lashed together. Each is 38.0 cm in
diameter and has a length of 7.00 m. How many people (whole number)...
Having obtained the volume of a flask (25.001 mL), the student then emptied the flask and...
Having obtained the volume of a flask (25.001 mL), the student then emptied the flask and dried it. The mass of the empty stoppered flask was 25.710 g. To the empty flask they added pieces of a metal until the flask was about three-fourths full. The student weighed the stoppered flask and its metal contents and found that the mass was 162.071 g. They then filled the flask with water, stoppered it, and obtained a total mass of 167.932 g...
4-40 4.40 A rigid, insulated tank consists of two compartments of equal volume separated by a...
4-40
4.40 A rigid, insulated tank consists of two compartments of equal volume separated by a valve. Initially, one compartment contains air at a pressure of 750 kPa and a temperature of 50°C, while the second compartment is completely empty. The valve is opened and it remains open until the two compartments reach pressure and temperature equilibrium. Determine the final pressure and temperature of the air, assuming each compartment has a volume of 0.65 m'.
Question 2 2.1 Consider a stirred tank heater which is characterised by the following equation: z4 pCpE The tank ha...
Question 2 2.1 Consider a stirred tank heater which is characterised by the following equation: z4 pCpE The tank has a constant liquid volume V, 50 litres and a constant volumetric flow rate of F 10 litres/minute. For liquid water, the other parameters are pCp 1 kcal/ litre.°C. Determine the process gain and time constant of the system. 2.1.1 2.1.2 Write down the transfer function of the process. (9) 2.1.3 Determine the time-domain output of this process to a step...
10. a) Report the volume (in mL) of liquid inside the graduated cylinder by reading the bottom of the meniscus (curved surface). 36.5 mL . b) What is the mass (in grams) of the liquid (d = 21.7 dg/ce) inside 881 the 50 mL graduated cylinder? de 88.188 g A ?g 50 mL graduated cylinder c) If all of the liquid inside the graduated cylinder was poured into the glass cup, what will the combined mass (in g) of both...
A rigid tank with a total volume of 0.8m3 initially contains
water in the form of a saturated liquid-vapour mixture at
P1=500kPa. The liquid portion of the mixture initially occupies a
volume of only 0.5L (the remainder is vapour). Steam from a supply
line at Pi=1000kPa and Ti=500°C is then injected into the tank
until the pressure in the tank reaches P2=800kPa. At this point
(final state), the mass in the tank is m2=2.8kg.
a) Find the initial quality x1...
2.41 A closed, rigid tank contains 10 lbn water at a pressure of 60 psia and a quality of 0.92. The water is heated until its pressure has increased to 120 psia. Calculate the following quantities: (a) the mass of liquid water in the tank at the initial state (b) the mass of the water vapor in the tank at the initial state (c) the initial temperature of the water in the tank (d) the volume of the tank (e)...
A tank contains 500 kg of a liquid whose specufic gravity is
2. Determine the volume of the liquid in the tank.
1.29 A tank contains 500 kg of a liquid whose specific gravity is 2. Determine the volume of the liquid in the tank. 130 Clouds can weigh thousands of pounds due to their liquid water content. Often this content is measured in grams per cubic meter g/m3.Assume that a cumulus cloud occupies a volume of one cubic kilometer,...
1. A rigid (constant volume) tank sealed by a valve initially contains 100 kg of air at a pressure of 100 kPa and 300 K. At time t = 0, the valve for the air tank is opened in a controlled manner and air leaks out isothermally (constant temperature) of the tank at a constant mass flow rate of 1 kg/s. The valve is closed after 75 seconds. Answer the following questions: Assuming air is an ideal gas, what is...
2. In the constant volume, stirred-tank heater shown in the figure below, the flow rates and material properties are held constant. The tank contains a heating element, which is initially off and the tank is the same temperature as the inlet stream. When t=0, the heater is turned on to a constant heating rate Q. For this material, assume C = C = Cp = Cy. m,Ti P,V,C, T(t) ń, r(t) o a. Write a transient thermal energy balance to...
A U-tube contains liquid of unknown density. An oil of density
770 kg/m³ is poured into one arm of the tube until the oil column
is 13.5 cm high. The oil-air interface is then 4.5 cm above the
liquid level in the other arm of the U-tube. Find the density of
the liquid.
A raft is made of 11 logs lashed together. Each is 38.0 cm in
diameter and has a length of 7.00 m. How many people (whole number)...
Having obtained the volume of a flask (25.001 mL), the student then emptied the flask and dried it. The mass of the empty stoppered flask was 25.710 g. To the empty flask they added pieces of a metal until the flask was about three-fourths full. The student weighed the stoppered flask and its metal contents and found that the mass was 162.071 g. They then filled the flask with water, stoppered it, and obtained a total mass of 167.932 g...
4-40
4.40 A rigid, insulated tank consists of two compartments of equal volume separated by a valve. Initially, one compartment contains air at a pressure of 750 kPa and a temperature of 50°C, while the second compartment is completely empty. The valve is opened and it remains open until the two compartments reach pressure and temperature equilibrium. Determine the final pressure and temperature of the air, assuming each compartment has a volume of 0.65 m'.
Question 2 2.1 Consider a stirred tank heater which is characterised by the following equation: z4 pCpE The tank has a constant liquid volume V, 50 litres and a constant volumetric flow rate of F 10 litres/minute. For liquid water, the other parameters are pCp 1 kcal/ litre.°C. Determine the process gain and time constant of the system. 2.1.1 2.1.2 Write down the transfer function of the process. (9) 2.1.3 Determine the time-domain output of this process to a step...
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