Expert Answers

Explain the difference between a list and a tuple in Python, including their key characteristics and when you would use one over the other (5 marks)

Give a paragraph explaining how 'Literature reviews and scientific journals' provide toxicological data for hydrogen peroxide

The overall rate of growth for a firm and its industry is 3.5 percent. Which of these combinations of dividend growth rates are acceptable when computing the current value of the firm's stock? Short-run growth

percent; Long-run growth

percent Short-run growth

percent; Long-run growth

percent Short-run growth

percent; Long-run growth

percent Short-run growth

percent; Long-run growth

percent

You suspect your patient has pertussis. Following droplet precautions, what PPE should your patient don during transport?

If the time it takes Earth to travel around the Sun was doubled but Earth's rotation period and axis tilt were unchanged, then ________.

A chemist measures the enthalpy change

during the following reaction:

Use this information to complete the table below. Round each of your answers to the nearest kJ. \table[[reaction,

If a customer has not notified a brokerage firm about information on a new account form update, how often must a firm make sure the account information has not changed? Annually Once every 4 years Once every 2 years Once every 3 years

What is the hydronium ion concentration of a 0.300 M acetic acid solution with ka=1.8x10^-5

Question 1 (20 marks) Consider a unit square plate made of a homogeneous material. The steady-state temperature T(x,y) of this plate can be described by the following Laplace's equation: (del^(2)T)/(delx^(2))+(del^(2)T)/(dely^(2))=0 Assume the plate is divided into an 3\times 3 grid and Liebmann's method is used to find the numerical solution T_(i,j) at the mesh points (x_(i),y_(j)) with the boundary conditions of the four sides of the plate as follows: T(x,y)={(0,x=0),(0,y=0),(100,x=1),(100,y=1):} It is given the discrete Poisson equation T_(i,j)=(1)/(4)(T_(i,j-1)+T_(i-1,j)+T_(i+1,j)+T_(i,j+1)) and the initial guess values T_(1,1)^((0))=T_(2,1)^((0))=T_(1,2)^((0))=T_(2,2)^((0))=65+R (a) Use the Liebmann's method to find the value of T_(2,2)^((4)). (10 marks) (b) Use the accelerated Liebmann's method to find the value of T_(2,2)^((4)). (10 marks) (Give your answer corrected to 4 decimal places if needed).

Problema: Estado del átomo de hidrógeno en el orbital 2px2p_x2px​ El estado del átomo de hidrógeno descrito por el orbital 2px2p_x2px​ está dado por la siguiente combinación lineal: 2px=(ψ211+ψ21−1)=132π(Za0)3/2Zra0e−Zr2a0sin⁡θcos⁡ϕ2p_x = (\psi_{211} + \psi_{21-1}) = \frac{1}{\sqrt{3}2\pi}\left(\frac{Z}{a_0}\right)^{3/2} \frac{Zr}{a_0} e^{- \frac{Zr}{2a_0}} \sin\theta\cos\phi2px​=(ψ211​+ψ21−1​)=3​2π1​(a0​Z​)3/2a0​Zr​e−2a0​Zr​sinθcosϕ i) Determinar: El valor medio del módulo del momento angular orbital ⟨L⟩\langle L \rangle⟨L⟩. La componente zzz del momento angular orbital ⟨Lz⟩\langle L_z \rangle⟨Lz​⟩. ii) Verificar: ¿Es esta función de onda una autofunción de los operadores L^2\hat{L}^2L^2 y L^z\hat{L}_zL^z​?