Suppose that the initial number of bacteria in a culture is 200, and that there are 700 bacteria present after 2 days. How long would it take for the number of bacteria to reach 4000?

Q: he diffusion coefficient of

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Q: Part A Normal body temperature. The average normal body temperature measured in the mouth is 310 K.…

A: Given that:- In this question, we have to convert the value of temperature in different units.

Q: The total lung capacity of a typical adult is 4.6 L. Approximately 20% of the air is oxygen. Part A…

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Q: II. Statement Analysis. Read and analyze the following problems. Choose the correct letter…

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Q: An apartment has the dimensions 11 m by 6 m by 4 m. The temperature is 25°C, and the relative…

A: Given: dimensions of apartment 11m x 6m x 4m temperature T =25 o C relative humidity =51 % =0.51

Q: If a sample of salt is in water in a constant pressure calorimeter with a heat capacity of 35.5 J/℃…

A: Given : The heat capacity of calorimeter, Cv =  35.5 J/℃ Salt is FeCl2 Mass of Salt = 2.288 g Mass…

Q: Suppose we have a piece of a candy bar that has an initial mass of 28g. If we ignite the piece of…

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Q: An experiment measures the temperature of a 270 g substance while steadily supplying heat to it. The…

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Q: A slim-hole exploratory well was drilled to determine the thermal gradient of a given field. What…

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Q: The most dangerous particles in polluted air are those with diameters less than 2.5 μm because they…

A: Stoke's velocity is given by:

Q: a) Write down equations for the linear and volume expansion of a body for small changes in…

A: Linear and volumetric expansion:

Q: 1. A thermometer is removed from a room where the air temperature is 20°C and is taken outside where…

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Q: H. Conduction (Heat Current) 15. A large metal cylinder with a bottom 2 m in diameter is made of out…

A: The amount of heat conducted is  H = K A (T' - T) td where, K is the coefficient of thermal…

Q: You are evaluating two biodegradable polymers, Polymer A and Polymer B, for material to release…

A: Hydrolysis is the main degradation mechanism of the biodegradable polymers.

Q: The chlorophyll-a molecule (C55H72M&N4O5) is important in photosynthesis. (a) Determine its…

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Q: A shower is 11.0 m from the hot water heater.  The copper pipe has a radius of 1.11 cm and a…

A: From the heat loss formula, θt=kAT2-T1dx Where, θ/t be defined as the rate of heat loss. k be…

Q: You inflate a balloon in the classroom at a temperature of 293 K. The atmospheric pressure remains…

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Q: 2. A platinum bar increases in length by 0.1% when its temperature increases to 111°C. a. Draw the…

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Q: The temperature of water in a swimming pool decreases by 5.0 K during the night. The mass of the…

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A: An average person needs 8,400,000 J of energy. On a Saturday, a person takes 10,000,000 J of energy…

Q: Sweating is one of the main mechanisms with which the body dissipates heat. Sweat evaporates with a…

A: Sweat evaporates with a latent heat= 2,430 kJ/kg at body temperatureSweat produced = 1.6…

Q: 5. A fire extinguisher has an internal pressure of 300 psi at 25°C. What is the pressure at it is…

A: Dear student,  Since both questions are different as per guidelines we can author only first one…

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A: Step 1:Step 2:

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Q: Meltdown: A certain metal has a melting point of 724 °C, and a heat of fusion (latent heat) of 77.7…

A: Heat required to melt the sample and bring it to a final temperature of 999 oC. Given, Melting point…

Q: Q7. A copper rod, an aluminium rod and a brass rod, each of 6 m length and 1 cm diameter, are placed…

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Q: 7. Under which of the following conditions would you expect real gases to approach ideal behavior?…

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Q: A 1.5mx0.8m double glass window consists of two glass(k=0.78 W/mC) layers with a 4 mm thickness for…

A: Given, Area, A=1.5 m×0.8 m=1.2 m2, Length of glass pane, L=4 mm=0.004 m, Length of air gap, L1=10…

Q: On a multi-layered square wall, the thermal resistance of the first layer is 0.005 ° C / W, the…

A: Thermal resistances are 0.005 °C/w, 0.2 °C/W, 0.1 °C/W ∆T = 60°C

Q: A plate made of Pyrex has a hole in it with a radius of 4.0000 cm at 62°C. A brass marble with a…

A: We will use the formula of linear thermal expansion,

Q: 1. An ideal gas is initially at a temperature of 900°C, a pressure of 400 kPa, and a volume of 1 ×…

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Ideal Gas Law

Ideal gas law states that the product of pressure and volume of a gas directly varies with the product of the number of moles, the universal gas constant, and the temperature of the gas.