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A sealed bottle of 'hard lemonade' (lemonade with alcohol in it) is in a liquid-vapour equilibriumstate at 298.15 K. The liquid phase contains 250 mL of 5.40% alcohol (v/v) (meaning that for every100 mL of solution, 5.4 mL is pure ethanol) The number of moles of solution in the vapour phase isone tenth the number of moles of the liquid phase and the ethanol composition of the vapour phase is0.735. It is also known that the density of water is 1.000 g/mL (M.W. = 18.015 g/mol) and thedensity of ethanol is 0.789 g/mL (M.W. = 46.07 g/mol). What is the total composition, (z) forethanol in this system? You can ignore the effects of the sugar and other components in this mixtureand treat the solution as an ideal water-ethanol solution.
the motorcycle is traveling at 1 m/s when it is at A at the bottom of the ramp. If the speed is then increased at v=0.1 m/s^2, determine its speed and acceleration at the instant t=5s
convert the azimuths from north to bearings, and compute the angles, smaller than 180 degrees between successive azimuths 68o06'42", 133o15'56", 217o44'05", 320o35'18"
For a metal and wood structure, how would the economies of construction be obtained (pertaining to the mean and standard deviation of a probability of failure graph)?
Imagine a community for which its first roundabout is being built, something that is a relatively recent occurence even in this area. As the Director of Public Works for the community, how might you educate the members of the community? Which membe..
The area of a parking lot is calculated to be 5,474 ft^2 with an estimated standard deviation of 2 ft^2. What is the maximum anticipated error? there is a 90% chance that the error range will be what?
The x-component of a velocity field is ax+b.If the flow is steady, two-dimentional and incompressible; generate an expression for velocity component in the y-direction as a function of x and y.
A pump, which has an efficiency of 75%, adds 15 m of head to the flow of 20 L/s of water through a 100 mm diameter pipe. determine The energy that must be delivered by the motor to the pump
If the weight of the empty truck and tanker was 120 kN, please calculate the volume of gasoline in the tanker at the time of the crash in m^3. Furthermore, at today’s gasoline price of $2.58/gal, plus the cost of the 18-wheeler (purchase price of $98..
Consider again the proposed water treatment plant for a city of 100,000 people where the maximum daily water usage rate is 99 X 106 L/d. Determine (a) the number of kilograms of chlorine needed per day and (b) the capacity of the contact tank.
Determine the support reaction of the beam.assume that a is pin ,b,c,and d are roller and two points are hinge
A 10-kg rod is pin connected to its supports and has an angular velocity 2 rad/s (clockwise) when it is in the horizontal position. the length of the rod is 6 m. Determine (a) its angular acceleration and (b) the horizontal reaction force at A.
The following results were obtained from a liquid limit test on a clay using the Casagrande cup device.
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