Equalization tank 25000 The cumulative volume of a wastewater flow was plotted versus time in the figure on the right. Answer the following questions: 20000 Line 1 15000 a) Which line indicates the input flow? b) Which line indicates the output flow? 10000 c) What is the minimum required Line 2 volume? d) What time the tank is empty of water? 5000 4 12 16 Time (h) 24 20 Cumulative Volume (m³)

Equalization tank 25000 The cumulative volume of a wastewater flow was plotted versus time in the figure on the right. Answer the following questions: 20000 Line 1 15000 a) Which line indicates the input flow? b) Which line indicates the output flow? 10000 c) What is the minimum required Line 2 volume? d) What time the tank is empty of water? 5000 4 12 16 Time (h) 24 20 Cumulative Volume (m³)

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Volumetric Glassware and Balances In an experiment for calibration of a 5.00 mL. pipet, the following data was obtained for 5.00 ml. of the pipet at 15°C The correction <--0.04 mL The volume of 1 g of water at 15°C- 1.0021 mL The weight of water delivered by the pipet (g) is: a) 5.06 b) 4.92 c) 5.03 d) 4.95 e) 5.09
An HPLC method was developed for the separation and determination of ibuprofen in blood samples. A 3.00 mL blood sample dissolved in 70.00 mL solvent was prepared and 10.0 mL was injected into the HPLC. Standard ibuprofen solutions were also run.Calculate the ibuprofen present in the 3.00 mL blood sample The following data were obtained. Table po itoo: Ibuprofen concentration, mg/ml0.50 1.0 2.0 3.0 Blood sample Peak area (Right column)5.29.617.419.911.4
Balanced Chemical Equation MnO4- +5Fe2+ +8H+ --> Mn2+ + 5Fe3+ +4H2O Details mass (g) sample average molarity of KMNO4 solution final buret reading initial buret reading volume (mL) of the KMnO4 solution delivered amount (mmoles) KMnO4 needed to reach the end point amount (mmoles) Fe2+ reacted with KMnO4 amount (mmoles) Fe2+(NH4)2 (SO4)2 (6H20) mass (g) Fe2+(NH4)2 (SO4)2 (6H2O) present in the sample %Fe2+(NH4)2 (SO4)2 (6H2O) Trial 1 0.2284 9 mL 0 9 mL 0.18477 0.9239 0.9239 Trial 2 0.2132 0.02053 11 mL 0 11 mL 0.22583 1.1292 1.1292 Trial 3 0.2081 10 mL 0 10 mL 0.2053 1.0265 1.0265
A control sample bottle containing seeded pollution water has a drop of 1.8mg/L in its DO over five days incubation. The BOD bottle (300 ml with 20ml of wastewater and the removing seed water) has a drop of 7.2mg/L. Find the BODs of the sample.
answer number 1
Downvoted for wrong solution. A river is carrying water containing 2000 mg/l Magnesium Chloride into a small lake. The lake has a naturally occurring Magnesium Chloride of 50 mg/l. If the river flow is 2500 Lmin and the lake flow rate is 1.5 m³.sec¹, what is the concentration of MgCl2 in the lake after the discharge point? Assume that the flows in the river and lake are completely mixed, that the salt is a conservative substance, and the system is at steady state.
There's 1 drink (and you are asked to determine the glucose concentration in the drink in the units of g/100mL. (Why these units? Well, once you have the concentrations in g/100mL you will be able to compare your values with the nutritional values given on the drink bottles’ labels). The sample of the drink was diluted 1/100 (i.e. by a factor of 100). This was an essential step in the method because, without it, the machine used to analyse the glucose concentration (spectrophotometer) would have given an error as the concentration would have been too high for accurate detection. What this means for you is that the dilution factor will need to be taken into consideration in your calculations (remember the aim is to calculate the concentration in the original drink and not in the diluted drink). You measured the concentration of their diluted drink using the spectrophotometer and their results were provided to them in the units mM (millimolar). Glucose Concentration in mM of drink =…
Pls answer. Complete solution pls.
Ff.151.
Help I really have no idea if I calculated it right