Describe tie lines in a ternary diagram.

For each of the following statements, provide an explanation: a)The Cl- ion is larger than Cl atom b)The S2- ion is larger than the O2- ion c)The K+ ion is larger than the Ca2+ ion

If you were to place a piece of wood and a piece of metal outside to bake in the sun for an hour the metal would feel much hotter than the wood when you touched it. What is the reason for this? Can you tell me some website that explains about this also. Thank you.

What is the isoelectric point of the following tetrapetide that contains the amino acids represented by the single letters “DREN”, such that D is at the amino-terminal end of the peptide and N is at the carboy-terminal end.

What are two pieces of evidence that reliably point to a human cause for the increased CO2 in our atmosphere and for the observed global warming over the last 50 years?

Considering only ions with charges of +1, +2, -1 and -2, or neutral atoms, give the symbols for 4 species that are isoelectronic with the sulfide ion, S2-

Discuss the chemistry in ozone depletion.

Which structures represent 2-methylbutane

30 mols of H2 and 15 Mols of O2 at 20oC are placed in a container at 101.3kPa and react exothermically (okay there is a large explosion but ignoring that) if the walls of the container remove 90% of the energy. The equation for the reaction is 2H2 +O2 ? 2H2O + 241.8kJ, what is the temperature of the water vapour produced (c s =2.01J/gC)

4) Discuss the sources of sludge and other solids from conventional wastewater treatment systems. Need about 200 words. Please read question thoroughly, cite work and provide references. Course is in industrial and hazardous waste.

If a solution containing 17.30 g of mercury(II) nitrate is allowed to react completely with a solution containing 5.102 g of sodium sulfate, how many grams of solid precipitate will be formed? BHow many grams of the reactant in excess will remain after the reaction?

An open tubular column with a diameter of 203 μm and a stationary phase thickness on the inner wall of 0.75 μm passes unretained solute through in 53 s. A particular solute has a retention time of 435 s.

a.) What is the partition coefficient for this solute?

K=_____

b.) What fraction of time does this solute spend in the stationary phase?

Ts/Ttotal=_____

You mix 100 mL of 1.0 M HCl with 100 mL of 1.0 M NaOH, both initially at 25.0°C, into a coffee-cup calorimeter. The temperature of the reaction raises to 34.2°C. The heat capacity of the coffee-cup is 132 J/°C. What is the heat of the total reaction? What is it per mole of H2O (l) formed?

For the titration of 20.0 mL of 0.0100 M Sn2 by 0.0500 M Tl3 in 1 M HCl, using Pt and Ag | AgCl electrodes:

for balanced equation

Sn²⁺+Tl³⁺ --->Sn⁴⁺+Tl⁺

with the following two half balanced reactions Sn⁴⁺+2e^- <--->Sn²⁺ Tl³⁺+2e^- <---> TI⁺

and with two Nernst equations for the cell voltage .The potential for the Ag | AgCl electrode is 0.197 V.    E=0.139-0.05916/2 log (Sn²⁺/Sn^4+)-0.197 E=0.77-0.05916/2 log (TI⁺/TI³⁺)-0.197

What is the value of E at the following volumes of added Tl³⁺ ? 1ml, 2ml, 3.90ml,4.0 ml, 4.10ml, 9.0ml.

(please show the work)

Write a balanced equation for the following:

a) copper (ll) sulfate and aluminum nitrate react to form copper (ll) nitrate and aluminum sulfate

b) phosphoric acid and calcium react to form hydrogen gas and calcium phosphate

c) potassium chloride and calcium fluoride react to form potassium fluoride and calcium chloride

d) hydrochloric acid and sodium hydroxide react to form water and sodium chloride

e) sulfuric acid and iron react to form hydrogen gas and iron (lll) sulfate

f) ethane (C2H6) and oxygen gas react to form carbon dioxide and water

g) phosphoric acid and potassium hydroxide react to form potassium phosphate and water

h) propane (C3H8) and oxygen gas to react to form carbon dioxide and water

i) phosphoric acid and barium hydroxide react to form barium phosphate and water