what are the oxidation numbers for each atom

3TiO₂ + 4 C +6Cl₂ -----> 3TiCl₄ + 2CO + 2CO₂

What mass of sucrose (C12H22O11) should be combined with 4.60×10² g of water to make a solution with an osmotic pressure of 9.00 bar at 310 K ? (Assume a density of 1.0 gmL−1 for the solution.?

Equilibrium constants at 25 ?C are listed in the table below.

What is the molar solubility of marble (i.e., [Ca2+] in a saturated solution) in normal rainwater, for which pH=5.60?

Express your answer to two significant figures and include the appropriate units.

Given that the ASA (concentration of acetylsalicylic acid) is 0.0087 M, calculate the concentration of tetraaquasalicylato ion [Fe(H₂O)₄SA]⁺ in solution 1

Solution 1: volume = 2.00 mL, absorbance = 0.339

If you could show work that would be great! Thank you soo much!!

1. What are the [H2AsO4-] and [AsO4^3-] in a solution of 2.3 M arsenic acid?

2. What is the pH of a solution made by mixing 9.00 grams of ethylamine, C2H5NH2, with enough water to make 750.0 mL of solution?

How many grams of ethylene glycol (C2H6O2) must be added to 1.20 kg of water to produce a solution that freezes at -3.88 ?C?

a) two 10.0 Ml water samples were taking The procedure in this experiment is followed to determine the phosphate concentration. What would be the average phosphate concentration in the solution be( in units of molarity) if the student obtained 0.5133g and 0.5275g of struvite using gravimetric analysis? show all work assume this procedure precipitates out all of the phosphate from the sample in form of struvite. b) what would be the concentration of the phosphate ion (Po4^3-) in the water sample from the previous question (a) in units of parts per millon

(a) Balance the following half-reactions by the ion-electron half-reaction method:

(i) (acid solution) NO3 – (aq) → N2O (g)

(ii) (acid solution) FeO4 2– (aq) → Fe3+ (aq)

(iii) (base solution) Fe2O3 (s) → Fe(OH)2 (s)

(iv) (base solution) Cu2O (s) → Cu(OH)2 (s)

(b) Which of the above equations are oxidation half-reactions?

(c) Give the formulas of the reactants that become oxidized in the course of the reaction.

A compound of molar mass 213 contains only carbon, hydrogen, iodine, and oxygen. Analysis shows that a sample of the compound contains 6 times as much carbon as hydrogen, by mass.Calculate the molecular formula of the compound. Express your answer as a chemical formula. Enter the elements in the order: C, H, O, I.

Consider a reaction with the following thermodynamic properties.

This reaction:

will proceed very slowly.

will be spontaneous at low temperatures.

has bonds in the products that are weaker than the reactants.

may have fewer and more complicated molecules in the product.

What factors will influence the migration rate in CE? What factors may increase the resolution of CE?

In a series of experiments, the U.S. Navy developed an undersea habitat. In one experiment, the mole percent composition of the atmosphere in the undersea habitat was 79.0% He, 17.0% N₂, and 4.00% O₂. What will the partial pressure of each gas be when the habitat is at a depth below sea level where the pressure is 5.41 atm?

A) An aqueous solution is 3.50% by mass hydrochloric acid, HCl, and has a density of 1.02 g/mL.  

The molality of hydrochloric acid in the solution is ____ m.

B) An aqueous solution of iron(III) sulfate has a concentration of 0.192 molal.  

The percent by mass of iron(III) sulfate in the solution is ____ %.

Explain why bond polarity and molecule polarity are two separate characteristics.