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Chemical Bonding

Chemical bonding help with homework

Use the second member of each group from Group IA to Group 7A to show that the number of valence electrons on an atom of the element is the same as its group number.

Balancing equations help please!!!!

Hi i am having a problem finding what is the coefficent of H2 when this equation is balanced?

the answer is 3

but i dont get it how it can be 3

please help!!

 

 

Al + H2SO4 = Al2(SO2)3 + ? H2

how will you convert butane to octane ?

How will you convert butane to octane ?

which element can form hydrogen bonds

Which of the following elements is non-polar, does not participate in hydrogen-bonding?

a. none of the answers shown
b. carbon
c. sodium
d. oxygen

What is the electronic configuration of COF2

WHat is the electronic configuration for DIFLUOROMETHANONE?

 

Is there such a chemical called difluoromethanone?

Oxidation state and molecular geometry of Na2[SnI6]

What is the oxidation state and molecular geometry of Na2[SnI6]? and draw the structure

Explain the hybridization and bond angle in OF2 and give a reason for why is it different in Cl2O

Explain the hybridization and bond angle in OF2 and give a reason why is it different in Cl2O.

Determining the molecular formula for the product of a combustion reaction

I apologize if this was put under the wrong category*

 

I cannot seem to get a grasp on the combustion and I have a major quiz on it tomorrow, so I'm trying to understand it before then. If you could walk through the steps on how to solve the given problem, that would be really helpful because I cannot understand my notes either.

 

A compound (molecular mass = 90.04) contains carbon, hydrogen, and oxygen. Combustion of a .513 g sample produces .501 g of CO2 and .103 g of water. What is the molecular formula of the compound?

Is propanone polar? solubility of elements/mixtures in propanone

is propanone polar or non-polar. Why is sodium sulphate soluble in propanone. can you explain in terms of polarity? 

What are the names of these chemical compounds?

Are these compounds Ionic or Molecular and what are their names: 

SnCl2, SnCl4, FeO, Fe2O3, Ca(NO2)2, (NH4)2(SO3), Ca(NO2)2, (SiS2)?

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