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Chemical Bonding

This is a balancing equations word problem

If a sample of pure hydrogen gas is ignited very carefully, the hydrogen gas burns gently, combining with the oxygen gas of the air to form water vapor. Write the unbalanced chemical equation for this reaction

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General trend in electron affinities word problem

According to the general trend in electron affinities which group (or family$ of elements tend to form the most stable anions in the gas phase?
A) noble gases
B$ transition metals
C) alkali metals
D) alkaline earth
E) halogens

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Binary covalent compounds word problem

The formulas of many binary covalent compounds can be predicted on the basis
A) that a bond is formed by the overlapping of atomic orbitals
B) that a bond is formed by the overlapping of two filled orbitals
C) that bonding electrons are simultaneously attracted by more than one nucleus
D) that the number of bonds an atom can have is equal to the number of half filled valence orbitals it can have
E) that the number of bonds an atom can have is equal to the number of empty valence orbitals it can have

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Bond Distance for different elements

Which of the following species has the shortest bond distance?
A) F2
B) Cl2
C) I2
D) Br2
E) H2

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Bonding Angles and why they are different.

I understand the prediction of bonding angles, but the significant differences in the actual angle vs the VSEPR angle is what confuses me.

Why do bond angles in VSEPR not always match the actual angle?

Why does Methyl chloride have a larger angle that 109.5 even though it is tetrahedral?

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Looking to learn chemistry through cam with tutor

I'm looking to learn with a tutor using a camera and equipment (which you will suggest me to order)

I then want to try mixing equipment and compounds

 

 

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i've been trying to figure out what would cause this reaction.

When overheated, what would cause a ceiling to get black spots?

a) copper(II) hydroxide

b) copper(II) nitrate

c) copper(II) oxide

d) copper(II) sulfate

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Order Molecules in terms of increasing Polarity

Order Molecules in terms of increasing Polarity

 

CF4, CH2F2, CHF3, CH3F

 

I can write their molecular geometry but I don't know how exactly I'm supposed to compare them together ... for instance, in CH2F2 , 2 F can be on any side of tetrahedral molecule! 

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How to write the formula for ionic compounds

How do I write formulas for ionic compounds such as Beryllium Chloride, Copper(I)Bromide, Tin(II)Bromide ?

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How does photoelectron spect. measures ionization energies?

In X-ray photoelectron spectrometry one measures kinetic energy of ejected electrons. How does this measurement allow one to determine the ionization energies of the atoms being analyzed?

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