Dr.A

What is the acid ionization constant for 1.0 Molar Acetic Acid (CH3COOH)?

Calculate Ka for a weak monoprotic acid?

A certain weak acid, HA, has a Ka value of 8.2×10−7.Calculate the percent dissociation of HA in a 0.10 M sol?

For the following reaction at 25 oC?

For a reaction system which is at equilibrium, which of the following must always be true?

White brass consist 60 % Cu, 25 % Zn, and 15% Ni:?

Balance the following chemical equation: Pb + PbO2 + H2SO4 > H2O + Pb SO4?

sulfuric acid-calculate concentration of ions?

For the following reaction, Kc = 0.513 at 500K. N2 O4g 2NO2g?

Chemistry - Carbon Dating Question?

10mL of 1.0mol/dm-3 sodium chloride is added to 15mL of 0.75 mol/dm-3 silver nitrate solution.?

Sodium carbonate (Na2CO3) reacts with hydrochloric acid (HCl) to give sodium chloride (NaCl) and carbonic acid?

Ascorbic acid (vitamin C, ) is a water-soluble vitamin. A solution containing?

An oxybromate componud, KBrOx, Where X is unknown , is analysed and found to contain 59.19% Br.?

soubility questions (precipiate or dissolve)?

Sodium hydroxide reacts with carbon dioxide as follows: 2NaOH(s)+CO2(g) yields NaCO3(s)+H2O(l)?

A flask contains a mixture of Ar and Ne gas...?

Need help with Chemistry "Limiting Reagents".thank you?

Which will have greater vapour pressure, hexane or water?

chem volume questions?

Calculate the pH of concentrated hydrochloric acid if this solution is 27.1 % HCl by weight and has a density ?

A closed container is filled with oxygen.The pressure in the container is 455 kPa.What is the pressure in mil?

silver nitrate (aq) + sodium hydroxide (aq) ----->?

7.67 g of Sr(NO3)2 is dissolved in enough water to form 0.850 L. A 0.100 L sample is withdrawn ...?

Scientific notation, just check and confirm with me!! please?

If the atomic mass of gallium is 69.723 amu, what is the mass of the other isotope, 71Ga?

y = x²+ 2. If x = 3, what is the value of y?

What is the chemical equation for the reaction between sulfuric acid and zinc oxide to form zinc sulphate?

What is the balanced equation for the combustion of propan-1-ol?

CHEMISTRY help?? MOLE question?

CHEMISTRY help? MOLE question?

Phenol, C6H5OH is a weak organic acid:?