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The growth of Pseudomonas bacteria is modeled as a first-order process with K=0.035 min ^-1 at 37 degrees C. The initial Pseudomonas population density is 1.0 x 10^3 cells/L.
Enter your answers in scientific notations.
A) What is the population density after 4.0 h
B) What is the time required for the population to go from 1.0 x 10^3 to 3.0 x 10^3 cells/L?
A Mercury barometer reads 743.5 mmHg. If the density of mercury is 13.523 g/cm^3 at 80.0 degrees C, what would be the height of a water column be if the density of water is 0.972g/cm^3 at 80.0 degrees C
FeS(s) dissolves by the addition of HNO3 in a manner similar to that of CuS(s). In the process, the Fe2+ ion is oxidized to Fe3+ ion. Write an equation for this reaction.
Explain how the smoke components, as well as the smoke itself
Metallic magnesium reacts with steam to produce magnesium hydroxide and hydrogen gas. If 17.1 g of Mg are heated with 9 g of H2O, what is the limiting reactant.
What is the concentration of Ca2+ ions in a solution of CaI2 that has I- ion concentration of 0.520 M.
aggressively destroy cancerous cells. If a 2.10 kg mass of body tissue exposed to the radiation absorbed 3.60x105 beta particles, and the RBE factor is 0.80, how many REMS did the patient absorb
What is the standard change in Gibbs free energy of this reaction at 25 °C. Hint: The equilibrium constant is related to the change in Gibbs free energy
List and describe at least three prokaryotic cellular features that could be targeted in this way to inhibit or kill a bacterial pathogen.
What information does a chemist obtain from the mass spectrum of a compound?
Calculate the change in enthalpy of this reaction. Specific heat of the solution = 4.184 J/(g oC) State your answer in kJ with 3 significant figures. Don't forget to enter the unit behind the numerical answer. The molecular weight of KOH is 56.2 g..
at 30oc the decomposition of hydrogen iodide into hydrogen and iodine is a second-order reaction. the rate constant for
Using Heisenberg's uncertainty principle, calculate the uncertainty in the position of the following. a proton moving at a speed of (4.54 +/- 0.02) x 10^4 m/s
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