Briefly describe the following concepts/principles/items, use appropriate diagrams/equations/formulas/examples if needed:
i. Gaussian curve
ii. Coefficient of variation
iii. Confident interval
iv. Q test
v. Dialysis
In: Statistics and Probability
Electrons accelerated by a potential difference of 13.15 V pass through a gas of hydrogen atoms at room temperature. Calculate the wavelength of light emitted with the longest possible wavelength.
Calculate the wavelength of light emitted with the shortest possible wavelength.
In: Physics
Calculate the pH of the cathode compartment solution if the cell emf at 298 K is measured to be 0.600 V when [Zn2+]= 0.21 M and PH2= 0.87 atm .
Express answer using two decimal places.
Thank you!
In: Chemistry
When [Ag+] = 1.05 M, the observed cell potential at 298K for an electrochemical cell with the reaction shown below is 3.268 V. What is the Mg2+ concentration in this cell?
2Ag+(aq) + Mg(s)-->2Ag(s) + Mg2+(aq)
In: Chemistry
Please offer a well reasoned and articulate discussion on a case relevant to the chapter under study which includes the rationale for the decision in same along with the ramifications thereof for business and society.
Gucci America, Inc v. Wang Huoqing
In: Finance
Calculate ΔG∘rxn and K for each of the following reactions. Part A The reaction of Cr3+(aq) and Cr(s) to form Cr2+(aq). [The reduction potential of Cr2+(aq) to Cr(s) is -0.91 V.] Calculate ΔG∘rxn.
In: Chemistry
Prove or disprove: two consecutive rotations about two different axis are commutative. That is, is RuRv = RvRu? (Hint: For simplicity, you can assume that the axis u is the x-axis and v is the y-axis without loss of generality).
In: Advanced Math
Find the charge on the capacitor and the current in an LC-series circuit when
L = 0.1 h, C = 0.1 f, E(t) = 100 sin(γt) V, q(0) = 0 C, and i(0) = 0 A.
In: Advanced Math
A hollow cylinder (hoop) is rolling on a horizontal surface at speed v = 3.3 m/s when it reaches a 16 ? incline.
How far up the incline will it go?
How long will it be on the incline before it arrives back at the bottom?
In: Physics
In an AC to DC rectifier circuit, the output DC signal of the
rectified wave was measured to be
VDC= (6.6±0.6)V and its ripple voltage was measured to
be Vripple=(0.27±0.02) mV. What is the uncertainty on
the quality factor of the rectifier?
In: Physics