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Consider the following reaction:

P4(s) + 6 H2 (g) ––> 4 PH3 (g)

What mass of P4 will completely react with 2.50 L of hydrogen gas, at 0˚C and 1.50 atm pressure?


Number of possible open chain structure from molecular Formula C3H6O is x. Find the value of X by 4.


  1. When you order this chemical from a company the label says “ paradichlorobenzene” even though this is not he correct IUPAC name.  Why do you think the compound is labelled this way?  Do you think it is a good idea, or should all products be labelled with their IUPAC name?  Explain your reasoning.

Titanium is a transition metal used in many alloys because it is extremely strong and lightweight. Titanium tetrachloride (TiCl4) is extracted from titanium oxide (TiO2) using chlorine and coke (carbon). what mass of C is needed to react with 1.25 mol TiO2?


What is the molarity of a sodium hydroxide solution if 4.50 mL of the solution is titrated to the end


point, with 5.00 mL of acetic acid with 0.0830M?

What is the molarity of a sodium hydroxide solution if 9.0 mL of the solution is titrated to the end point with 10.0 mL of standard 0.20M hydrochloric acid

1.Write the Molecular Formula of 2-methyl-1-butene.



2. Write the equation if the compound in number 1 will be subjected to hydrobromination.



3. The product in number 2 is treated with Grignard Reagent. Write the two steps chemical reactions.



4. Write the molecular formula of the major product in number 3



5. The answer in number 4 is exposed to combustion. Write and balance the chemical reaction.

Consider a glycolic acid (HOCH2COOH) and glycolate (HOCH2COO-) buffer system. Write the chemical equation representing


The glycolic acid-glycolate equilibrium



"A four phase equilibrium is not possible in a one component system." Justify the statement.

What is the product of chemical reaction between gasious molecules of ammonia, methane, hydrogen and water vapour in a closed chamber?


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