Question Solved1 Answer Use the given float and sink data to determine the expected recovery and the required density of separation for the following % metal content. (1) 10% Manganese content (ii) 25% Manganese content (iii) 40% Manganese content Specific gravity (s.g) Manganese content (%) +3.5 41.05 -3.5+3.2 40.27 -3.2+2.9 39.42 -2.9+2.7 10.67 -2.7 5.37 Total 28.13 Weight (%) Use the given float and sink data to determine the expected recovery and the required density of separation for the following % metal content. (1) 10% Manganese content (ii) 25% Manganese content (iii) 40% Manganese content Specific gravity (s.g) Manganese content (%) +3.5 41.05 -3.5+3.2 40.27 -3.2+2.9 39.42 -2.9+2.7 10.67 -2.7 5.37 Total 28.13 Weight (%) 10.25 24.46 30.16 5.69 29.44 100

2. Consider the ammonia decomposition reaction being carried out at 400°C and 101.3 MPa. 2 NH3 N2 + 3 H2 The feed stream is 2/3 NH3 and 1/3 inerts. a) Calculate the composition of the exit gases, and conversion of NH3, assuming equilibrium is achieved in the reactor. Make sure that you take deviations from the ideal gas law into account. The equilibrium constant relative to standard states at 1 atm may be assumed to be equal to 1.31x10+ atm’ at 400 °C (for the stoichiometry as written). The fugacity of pure H2 at 400 °C and 101.3 MPa may assumed to be equal to 136.8 MPa. Explain why this is given. b) If we remove the inerts, how will that affect the equilibrium NH3 conversion? What if we double the inerts (1/3 NH3 2/3 inerts)? Comment on the conversion in each case.

Write a C++ program to find first and follow of any grammar in C++ language

Identify each variable as quantitative or qualitative.a) ethnic origin of a candidate for public officeb) score (0-100) on a placement examinationc) fast-food establishment preferred by a student(McDonald's, Burger King, or Carl's Jr.)d) mercury concentration in a sample of tuna

•• An infinite slab of charge of thickness 2zo lies in the xy-plane between z = -zo and 46. z = +z0. The volume charge density p (C/m³) is a constant. a. Use Gauss's law to find an expression for the electric field strength inside the slab (-zo zo). c. Draw a graph of E from z = 0 to z = 3z0.

Exercise 5 : Two particles in a potential well Consider two noninteracting particles, both of mass m, in a quadratic potential well (i.e. har- monic oscillator potential). For the case with one particle in the single-particle state [n) and the other in state k) (n + k), calculate the expectation value of the squared interparticle spacing ((21 – 222) assuming: 5.1 The particles are distinguishable 5.2 The particles are identical spin-o bosons 5.3 The particles are identical spin-1/2 fermions in a spin triplet state. Hint: use bra-ket notation as much as possible. Remember that for the harmonic oscillator it is easiest to use, whenever possible, raising and lowering operators to evaluate expectation values (i.e. to evaluate integrals).

Problem 4 A new test is developed for cancer detection with sensitivity 0.80 and specificity 0.91. Assume this cancer affects 6% of the population. (a) Sketch the probability tree for this test and label each branch appropriately. (b) Calculate the Bayes probability that an individual has cancer if their test result is posi- tive. (c) Calculate the Bayes probability that an individual does not have cancer if their test result is negative. (d) Compute a naive Bayes estimate for either b or c. Your choice! Then, briefly explain why is this referred to as "naive".