General Chemistry Answers

What are the characteristics of periodic table.

Differentiate between the followings:

      I. Atoms and molecules      II. Elements and compounds

Differentiate between the followings:

      I. Atoms and molecules      II. Elements and compounds

Discuss the states of matter with the example of water.

1.    Define and explain the gas laws with graph.

1.    (a) Consider an ideal gas contained in a cylinder with the volume 34.4L, temperature 667K and pressure 2atm.what will be pressure of the gas if it is heated at 1000k and the volume becomes 50L.

(b) What physical process occurred in the above described numerical.

Ferric chloride, fecl reacts with silver nitrate, AgNO3 to form ferric nitrate, Fe(NO3)3 and silver chloride, AgCl

A. Write the balance chemical equation of the reaction .

B. If 180.5 moles of FeCl3 is combined with 76.8 moles of AgNO3 how many moles of AgCI is produced ?

C. How many grams of AgCI is produced?

D. Which reactant is the limiting reagent? 

E. Which reactant is the excess reagent? 

What is the pOH if the [OH^-] concentration is 4.56*10^-2?

What is the pH if the [OH^-] is 3.99*10^-12

What is the pOH of a solution containing an [H⁺] concentration of 2.75*10^-3?