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Luda [366]
3 years ago
9

What is the concentration of hplus ions at a ph=11

Chemistry
1 answer:
enyata [817]3 years ago
7 0

Answer: 10^-11

Explanation:

to find the concentration of H+ ions given the ph, we use the formula 10^(-pH).

so 10^-11

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I need help with organic chemistry!!!
nadya68 [22]

Answer:

CHO2- ion

Explanation:

We have the lewis structure of a formate-ion here

This is CHO2-.

The carbon atom is the central atom in the structure. It's the least electronegative atom (C). Carbon has 4 valence electrons. Oxygen has 6 valence electrons.

The carbon will bind with 1 hydrogen atom, this will form 1 single bond, because hydrogen has 1 valence electron.

The carbon will bind with oxygen via a double bond.

Since carbon has only 4 valence electrons, it can only form 1 bond with the other oxygen atom.

There will formed 1 double bond between C and O and 1 single bond between C and O resulting in a negative charged O-atom.

This means there are two resonance structures. for the CHO2-  ion

7 0
3 years ago
100 Points!!!!!!!!
Nikitich [7]

your answer is Particles collide in gas so Substance X is a gas.


6 0
3 years ago
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Why methane has a low melting point
Leno4ka [110]
Simple molecular substances consist of molecules in which the atoms are joined by strong covalent bonds. However, the molecules are held together by weak forces so these substances have low melting and boiling points.
I hope this helps.=^P
5 0
4 years ago
Write about the characteristics of carbon compounds:
mart [117]

The characteristics of carbon compounds are they exist with different structures in which the atoms are arranged differently and it forms more compounds than other elements combined.

Explanation:

The carbon atom has atomic number 6 which represents the number of electrons. It is represented by C and it is a non- metal. It has 6 protons, 6 neutrons, and 6 electrons. They are smaller in size so that it can fit in to larger molecules.

It is the only element that can form different compounds because each carbon atoms can form four chemical bonds to other atoms.

The structure of carbon atom is represented with its atomic number 6. The first two electrons are present in inner shell and the remaining four are present in the second shell.

The carbon combines with oxygen, hydrogen, and nitrogen to form many molecules for cellular function. Carbon and hydrogen combine to form hydrocarbon chains and rings.

For example the structural formula for Methane (CH4)

     

8 0
4 years ago
A mixture that appears to contain only one substance is a ?
const2013 [10]
If you're talking about atoms then its a molecule
4 0
3 years ago
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