A certain population of bacteria is known to grow at a rate proportional to the amount present in a culture that provides plentiful food and space. Initially there are 250 bacteria, and after seven hours 800 bacteria are observed in the culture. Find the time it took the bacteria to increase to 150% of its original population. Select the correct response: 100 minutes 122 minutes none of these 97.5 minutes O 170 minutes O 146 minutes

Q: An aqueous feed of A and B (400 literlmin, 100 mmol Alliter, 200 mmol Blliter) is to be converted to...

A:

Q: What happens to the operating line of an absorption column as we increase the mass flow rate of the ...

A: in absorption Colum ,liquid and gas are passed through the Colum in countercurrent flow. and the sol...

Q: What is the implication of an operating line in absorption that is vertical?

A: implication of an operating line in absorption that is vertical needs to be answered.

Q: In ideal gas, prove = T, Os = -P. as %3D ле.

A:

Q: An R-C series circuit has a supply voltage of 100 V. The resistance is 200 ohms and the capacitance ...

A: Given that:  R-C series Voltage ,V= 100 V Resistance,R = 200 ohms Capacitance ,C  = 0.0001 Farad 

Q: (10). For pacemaker batteries using the this chemistry (2Li + 12- 2Lil) to discharge, you would expe...

A: Given that For pacemaker batteries 2Li +I2  → 2LiI  

Q: (a) If wastewater leaves the plant at ṁ1 the treatment unit (i.e., ṁ5) and to the waste lagoon (i.e....

A: Given that: Waste water has Cr =5.15 % = 0.0515 Cr has to be removed = 95%= 0.95   Wastewater leaves...

Q: A cylindrical container, 80 cm in diameter is initially filled with water to a depth of 119.367 cm. ...

A: Given data: Diameter of tank = 80 cm Level of water in the tank = 119.367 cm Initial amount of salt ...

Q: Since both the heavy and the light gases are at the same temperature, they must have the same averag...

A: The kinetic molecular theory can be used to explain the results Graham obtained when he studied the ...

Q: 100 grams of water was produced from the complete combustion of naphthalene (C10H8). Calculate for t...

A: Given that: Mass  ,m = 100 grams P = 1 atm  T = 25 C = 25 +273.15 = 298.15 K    

Q: The adiabatic flame temperature (theoretical maximum temperature) of black coal in air is over 2000°...

A:

Q: Saturated ammonia vapor at 25°C condenses on the outside of a 2-m-long, 3.2-cm-outer-diameter vertic...

A: Given: Saturated ammonia condenses on the vertical tube Temperature of the saturated ammonia, Tsat=2...

Q: Q3: A student living in a 4m×6mX6m dormitory room turns on her 150-W fan before she leaves the room ...

A: Given that  Volume,V = 4 x 6 x 6 =144 m3  Power,P = 150 Wtime ,t = 10 hr Pressure = 100 KPaT = 20 c ...

Q: Antimony is produced by heating powdered antimony trisulphide with iron and removing the molten anti...

A: The reaction given is, Sb2S3 + 3Fe → 2Sb + 3FeS Mass of antimony trisulphide mSb2S3 = 1.8 kg = 1800 ...

Q: Which of the following limiting form of Fick's First Law of Diffusion generates a non-linear concent...

A:

Q: product of 95.3 mole per cent phenol. The compositions of the top product and of the phenol in the b...

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub parts for y...

Q: Ethylene oxide is produced by the catalytic oxidation of ethylene: 2C2H4 + O2 → 2C2H4O An undesired ...

A: Given that, 2C2H4 + O2 → 2C2H4OC2H4 + 3O2 → 2CO2 + 2H2O The feed to the reactor contains 3 moles of ...

Q: At 8:00 AM, the temperature reading outside the building is 540°R. After 3 minutes, the temperature ...

A: To calculate the rate of heat loss of body we can consider Newtons law of cooling. According to this...

Q: How many liters of CO2 are produced when 3.46 Fe2O3 is converted to cast Fe at STP Fe2O3(s) + 3 CO ...

A:

Q: The ___ theory of interphase mass transfer applies more for unsteady systems where equilibrium is of...

A:

Q: 250 m^3 of 30°api gas oil is blended with 1000m^3 of 15°api fuel oil . what is the density of the re...

A:

Q: Estimate the change in enthalpy and entropy when liquid chocolate at 450 K is compressed from 250 kP...

A: Given that 450 K is compressed from 250 kPa to1500 kPa. For liquid chocolate at 450 K, v = 1.02 ×10−...

Q: The amount of water to be removed from 2000 kg/hr of feed to be dried from 110% (db.) to 5% (w.b.) i...

A: The feed given is F = 2000 kg/h, The concentration of a particular solid in feed is given as 110% on...

Q: 1) How many moles of gas occupy 98 L at a pressure of 2.8 atmospheres and a temperature of 292 K?

A: Disclaimer: Since you have asked multiple question, we will solve the first question for you. If you...

Q: The molar volume of a van der Waals gas at 100oC and 100 atm given that a = 1.345 atm-L2/mole2 and b...

A:

Q: Methane (CH,) and propane (C,H,) react with each other to produce ethane (C,H,) via a metathesis rea...

A: Note: We are authorized to answer three subparts at a time, since you have not mentioned which part ...

Q: G2 R (b) G1 H 1 Given above block diagram, we know that H1 = 1, G1 = 2, G2 = s+2 please determine th...

A:

Q: Dry air (79 mol% N2 and 21 mol% O2) is bubbled through a vessel with liquid water to produce moist a...

A: Dry air is the air which is free from moisture, contains majorly only nitrogen and oxygen (79% N2 an...

Q: A gas feed at a rate of 100 kmol/hr containing 90% air and 10% acetone enters the absorber fill colu...

A: Given data: Molar flow rate of gas stream entering the absorption tower = 100 kmol/h Composition of ...

Q: A specitic enzyme acts as a catalyst in the termentation of reagent A. For a given enzyme concentrat...

A:

Q: Activity 2. Complete the table to prepare the given solutions with different concentrations: | Volum...

A: Given data: Concentration of different solution is given.  

Q: A gas phase reaction 2A + 4B → 20 which is first order in A and first order in B is to be carried ou...

A: Reaction is 2A+4B→2C V0=2.5L/min TF=727℃ P=101.3kPa xA=xB=0.5 kF=4 L/(mol min) -rA=kCACB  Find a)...

Q: Balloons used helium at atmospheric pressure 101.325kPa and temperature 25C. It is projected to lift...

A:

Q: a) Perform a degree of freedom (DOF) analysis on Units 1,2,3, and the overall process based on the n...

A: To Find :              (a) perform degree of freedom analysis on units 1,2,3              (b)calcula...

Q: QUESTION1 A vapor mixture containing 65% benzene and 35% toluene is cooled from 150OC to 900C at a p...

A:

Q: 5.3-8. Effect of Size on Heat-Processing Meat. An autoclave held at 121.1°C is being used to process...

A:

Q: Table 1. List of parameters for each PART A H:O H:O Components (s) (1) 20 160 Mass (g) Volume (mL) C...

A: In the table provided, part A, there is solid water and liquid water having masses of 20 g and 160 g...

Q: Heat is being generated uniformly by a chemical reaction in a long cylinder of radius 91.4 mm. The g...

A: Given that, The radius of the cylinder R = 91.4 mm = 0.0914 m The heat generation rate q = 46.6 W/m3...

Q: Look at the image below and calculate the unknown flow rates in kg/h (mi,, m, and miz) and fractiona...

A: Given,  The flow rate and composition at different points. The overall mass balance is, 100+30=40+30...

Q: An equimolar mixture of substances A, B and C is fed to a reactor to produce product D by the reacti...

A:

Q: Francis observes ten and three quarters standard cubic meters per hour of humid air flowing at 35.0°...

A: Given data: Volumetric flow rate of humid air = 10 3/4  m3/h Temperature of humid air = 35 0C Pressu...

Q: a. Determine whether energy as heat is evolved or required in the following process at constant pres...

A: Disclaimer: Since you have asked multiple question, we will solve the first question for you. If you...

Q: A simple batch distillation without reflux is ran until 30% of the initial feed is taken off as over...

A:

Q: A 3 m high, 5 m wide wall was laid with bricks. The figure above is a brick wall It shows how it is ...

A: Given data: Dimension of wall = 3 m × 5 m Indoor temperature of wall = 20 0C Outdoor temperature of ...

Q: A pipe with inside diameter 2.067 inch and wall thickness of 0.154 inch carrying steam is insulated ...

A: In real conditions, heat loss calculations are important. When heat is flowing through a pipe, pipe ...

Q: Use the psychrometric charts to answer the following problems: I. The wet bulb and dry bulb temperat...

A:

Q: How much energy in kJ is released in burning 2.41 mL of gasoline (assuming that all of it is octane ...

A: The chemical reactions can be exothermic or endothermic in nature. Exothermic reactions releases ene...

Q: 4. Both a gage and a manometer are attached to a gas tank to measure its pressure. If the reading on...

A:

Q: ) Convert the ideal gas constant: kcal Btu R = 1.987 x 10-3, to 10-3kgmolK Ibmol°R ) A flow of mass ...

A: Given that  R = 1.987 x 10-3Kcal10-3kg mol K we have to convert it      According to bartleby rule I...

Q: H.W: Oxygen gas is flowing through a 10 m long circular pipe with a radius of 16 cm The concentratio...

A: