Divide NaCl, sucrose, urea and ethylene glycol into two classes. State clearly the basis of this classification

Divide NaCl, sucrose, urea and ethylene glycol into two classes. State clearly the basis of this...
1. 1200 mL aqueous solution of 45 g of ethylene glycol and 80 g of sucrose were prepared with a density of 1.37 g/mL. Assume that the solution behaves ideally. Notes: The vapor pressures of water and ethylene glycol at 20 °C are 17.54 torr and 0.06 torr, respectively, and Kb and Kf of water are 0.51 K/m and 1.86 K/m, at 25 °C respectively. a. What is the freezing point of this solution? b. What is the vapor pressure,...
The two most commonly used antifreezes are methanol (CH3OH), and ethylene glycol (CH2OH)2. Calculate the mass of each solute required to depress the freezing point of exactly 1000 grams of water by 12 °F. usually the constant we use is 1.86
There are two flasks on the bench top, one flask contains a 0.50 M NaCl solution and the other contains a 0.50 M ethylene glycol solution. How would you determine which flask was which. No tasting allowed in lab.
Math & Protein Folding: Consider a two-state folder in a stop-flow experiment. Changing urea concentration [Urea], the rate of change of the unfolded protein fraction dU/dt = -kfU + kuN, whereas the rate of change of the folded protein fraction dN/dt = kfU + kuN. The experiment measures the overall signal associated to the state of the system as a function of time. Show that the decay towards equilibrium is governed by the rate kf + ku, whereas the equilibrium...
Prove that that n2 < n! . Clearly state the basis step and inductive hypothesis. Show your work. I've seen a couple different solutions and none of them make sense to me. Please explain each step. Thank you
The first excited singlet state of ethylene is twisted so that the two hydrogens and carbon one one side are in a plane perpendicular to the plane containing the other three atom. To which symmetry group does it belong? Does it have a dipole moment?
State the concept or idea in a single sentence or two. Clearly and succinctly state the concept. Elaborate on the concept ("In other words...") Explain/exemplify why that happens on a molecular level and/or give concrete examples and counter examples) of the concept. ("This happens because..." and/or "For example, ...) illustrate the concept with a picture, diagram, metaphor, or analogy. Generalize the concept. Give a comparison, metaphor, or picture-in-words to bring it home. ("This is like ...) 2. (10 pts) Use...
Consider a two-dimensional state vector space and a basis in this space lay), laz), eigenvectors of an observable A: Ala) = aja) Alaz) = azlaz) A representation of Hamiltonian operator in this basis is: H = (8 5) Find: -Eigenstates and eigenvalues of H. -If the system is in state |az) at time t=0, What is the state vector of the system at time t? -What is the probability of finding the system in the state |az) at time t?...
Consider a two-dimensional state vector space and a basis in this space lay), laz), eigenvectors of an observable A: A|az) = ajlaj) Alaz) = azlaz) A representation of Hamiltonian operator in this basis is: h = (9) - Calculate the dispersion of measurements of A and Hat time t. Is the uncertainty principle Energy x Time fulfilled?
Please show all steps clearly.
4. (a) Define when two elements of a group are conjugate to each other. State and de- duce the class equation using the decomposition of a group in conjugacy classes (b) Let G be a finite group and p a prime number such that p divides G. Prove that there is a subgroup H of G such that |H p. (c) Let p be a prime number. Prove that any positive integer n, any group...