11. 100 g of water are mixed with 150 g of alcohol (). What is the specific gravity of the resulting mixtures, assuming the fluids mixed completely.
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11. 100 g of water are mixed with 150 g of alcohol (). What is the specific gravity of the resulting mixtures, assuming the fluids mixed completely.
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- 1. Two liquids of different densities (p, = 1,500 2= 500) are poured together m3 into a 100 liters tank filling it. If the resulting density of the mixture is 800 find the respective mass (kg) of the liquids used.100 g of water are mixed with 150 g of alcohol (Þ = 790 kg/m3) What is the specific gravity of the resulting mixture, assuming that the two fluids mix completely? a. 0.00041 b. 0.00086 c. 0.41 d. 0.86Convert 15.0 L in mL.
- 3. A tank contains 100 gal of brine in which 50 lb of salt is dissolved. Brine containing 2 lb/gal of salt runs into the tank at the rate of 3 gal/min, and the mixture, assumed to be kept uniform by stirring, runs out at 2 gal/min. How much salt is in the tank at the end of 30 min? 4. What is the equation of a family of curves orthogonal to 2r + y? = c? 5. A resistance R = 10 ohms and capacitance C = 4 millifarad are connected in series with a direct current element V = 50 volts. Assume that when the switch is closed, the charge on the capacitor is 0.02 coulomb. Find the initial current.2. Two liquids of different densities ( p, = 1,500 , Pz = 500) are poured together m3 m3 into a 100 liters tank filling it. If the resulting density of the mixture is 800 kg find the respective mass (kg) of the liquids used. TANK3. A large tank initially contains 200 gal of brine in which 15 lb of salt is dissolved. Starting at t=0, brine containing 4lb of salt per gallon flows into the tank at the rate of 3.5 gpm. The mixture is kept uniform by stirring and the well-stirred mixture leaves the tank at the rate of 4 gpm. a. How much salt is in the tank at the end of one hour? b. How much salt is in the tank when the tank contains only 50 gal of brine?
- Hand by written ans.Calculate the amount of dissolved oxygen in mg/L in river water at 30°C under saturated conditions at an atmospheric pressure of 100 kPa (Assume density of water = 1000 kg/m3 ) Select one: a. 5.55mg/L b. 7.77mg/L c. 6.66mg/L d. 8.88mg/L21. The temperature of Oxygen is changed from 110°F to 270°F while pressure remains constant. Determine the percentage decrease in density. a. 15.1515% b. 17.6471% c. 21.9178% d. 23.2877%Convert 15.0 L in cm^3.
- 10. a) Calculate the density, specific weight, and specific volume of oxygen at 20OC and 40 kPaa. b) If the oxygen is enclosed in a rigid container, what will be the pressure if the temperature is reduced to -100OC?4. Relative Humidity calculations (use the Water vapor Pressures and Contents scale)! The actual water content (absolute humidity) of a sample of room air is measured and is °C, what is the relative found to be If the room temperature is humidity? Use examples below to fill in the blanks above: a. Absolute humidity is 11.91 mg/L; Temperature is at 24 °C b. Absolute humidity is 13.89 mg/L; Temperature is at 30°C c. Absolute humidity is 10.01 mg/L; Temperature is at 60 °FQUESTION1 1.1 Name and explain three forms of density ?1.2 A mixture of two liquids of equal volume is made; the one has a relative density of 0.8 and the other a density of 980 kg/m3. What will be the weight of 2 500 liters?