Stoichiometry Review, The combustion of propane occurs via the reaction: C3...

The combustion of propane occurs via the reaction: C3H8(g)+5O2(g)-->3C02(g)+4H2O(g) Hoe many grams of oxygen are required to burn completely 10.0g of propane?

Determine total number electrons in nitrate ion, Nitrogen atom has an atomi...

Nitrogen atom has an atomic number of 7 and oxygen has an atomic number 8. The total number of electrons in a nitrate ion will be: (1) 8        (2) 16      (3) 32

Donor and acceptor properties, Most polar solvents have Lewis base or donor...

Most polar solvents have Lewis base or donor properties resulting from lone-pair electrons. Good donor solvents inbuilt water, pyridine and ammonia, and are efficient at solvating

Elements of metallic and non metalic, list the physical properties of two e...

list the physical properties of two examples of metallic and non metallic elements

Hypercongujative effect, what is hypercongujative effect

what is hypercongujative effect

Purification of water, Q.   What are the requirements of drinking water? Ex...

Q.   What are the requirements of drinking water? Explain various methods used for the sterilization of water for municipal supply. ANS. Requirements of drinking water: The e

Thermodaenamics,

The number of unpaired electrons in an o2 molecule, The number of unpaired...

The number of unpaired electrons in an O 2   molecule is: (1) 0        (2) 1         (3) 2      (4) 3 Ans: 2

Acid base titration, the given solution contains 2.5g of laundry soap disso...

the given solution contains 2.5g of laundry soap dissolved per 250 cubic cm.determine the amount of free alkali in 350 cubic cm.

Orgenic chemistry, what is symetrycal tribromo benzene

what is symetrycal tribromo benzene