Briefly explain what ‘half-life’ is. Then, use the following expression of batch system (zero-order decay) to derive the half-life formula (t₁/2).
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- Determine the relationship between the observed/apparent value (EX) VERSUS that of the true value (ET) for the quantity being sought by writing either <, >, or = on the space provided Determination of the ppm Fe in a water sample using the iron-phenanthroline method. Presence of suspended particles. EX ____ 1ETUSING FOL Differential Equation APPLICATION SOLVE THE FOLLOWING PROBELM AND SHOW COMPLETE SOLUTION AND FINAL ANSWER.In a tank of 100 liters of brine containing 50 kg total dissolved salt. Pure water is allowedto run into the tank at the rate of 3 liters a minute. Brine runs out of the tank at the rateof 2 liters a minute. The instantaneous concentration in the tank is kept uniform bystirring. How much salt is in the tank at the end of 1hour?With an observation well situated is 69.7 ft away from the pumping well (which is pumping at the rate of 305 gal/min). The aquifer is confined, and the depth has been measured from well logs and is 150 ft. please show using this data how to calculate transmissivity (T), the hydraulic conductivity (K) and Storativity (S) for the aquifer. Thank You s (m) t (sec) 20.7 4074.3 30.76 6054.6 46.3 9054.6 67.33 13254.6 107.26 21114 152.67 30054 209.37 41274 305.38 60114 451.68 88914 671.44 132174 946.07 186234 1321.9 260214
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- If the inner diameter of the penstock that deliver water form the dam to the hydroelectricpower plantis 90 cm and the water flows inside itat a rate of 10 L/s. (?=0.0131?????)a.Define the type of flowinside the penstockusing Reynolds numberequation.b.Explain the significance of the information we get from Reynolds number equation.Answer a &b.A tank initially holds 1 cubic meter of a brine solution containing 20 kg of salt. At t = 0, fresh water is poured into the tank at the rate of 0.02 m3/min, while the well-stirred mixture leaves the tank at the same rate. a). Find the amount of salt in the tank at any time t b). Find the time to remove the salt in the tankWhat is the mass (lbm) of an object that has a base area of 4 inch2 which exerts a pressure of 25 psi? 2.) Determine the dynamic viscosity (Pa-sec) and kinematic viscosity (m2/s) of water with a specific weight of 9.81 kN/m3, if a Falling Sphere Viscosimeter test is conducted using an aluminum sphere that has a diameter of 10 mm and a specific weight of 28.06 kN/m3. The theoretical terminal velocity of the sphere is 0.650 m/s. Round off your answer to 3 decimal places. 3.) Given the water tank A in an orifice setup that transfers water to tank B, determine the theoretical and actual velocity and flow rate if the time it takes to fill up tank B is 20 sec. 4.) Given the computed velocities and flow rates in Question 3, determine the coefficient of contraction, velocity, and discharge. Assume the diameter of vena contracta to be 4mmø.
- A time independent non Newtonian fluid of density 0,00085kg/cm3 flows in a cylindrical pipe with a mean linear velocity of 1.70 m/s at steady state. The pipe is 3m long with an inside diameter of 0.075m. The point pipe consistency coefficient is 1.52 (N/m2)s0.3 and the flow behavior index is 0.3. Determine: a) The point values of the apparent viscosity. b) Reynolds Number. c) Pressure drop in Pascals.2. The diameter of a 3 meter pipe decreases from 450 mm to 150 mm. If the velocity is to decrease uniformly in a linear manner, draw the diameter profile at each 500 mm length interval along the pipe. Discharge is 150 liters per second. need complete solution with illustration6. Freshwater and seawater flowing in parallel horizontal pipelines are connected to each other by a double U-tube manometer, as shown in figure. Determine the pressure difference ?????? ?????−???? ?????= ?(kPa) between the two pipelines. Take the density of seawater at that location to be P = 1035 kg/m³. (2 decimal)