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2 years ago

A cationic carbon atom has how many bonds to it? 3 4 2 5

Chemistry

1 answer:

BigorU [14]2 years ago

4 0

Answer:

The correct answer is: 3

Explanation:

Carbocation, also known as a cationic carbon, is a chemical species in which the carbon atom forms <u>three covalent bonds</u> and has a formal charge of +1. It is an unstable species.

A carbocation in which the cationic carbon is bonded to three hydrogen atoms, is called a methyl carbocation. Carbocations in which the carbon atom is bonded to one carbon group, two carbon groups and three carbon groups is called primary, secondary and tertiary carbocation respectively.

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Explain how water might have two different densities

MrMuchimi

Answer:

I think this is it

Water can have two different densities if it has substances dissolved in it. ... When liquid water freezes it becomes solid water or ice, which is less dense than liquid water. The fact that solid water (ice) is less dense than liquid water is evident in the way ice floats in a glass of water.

Explanation:

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2 years ago

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aivan3 [116]

Answer:

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Explanation:

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2 years ago

A student calculated the standard enthalpy change of formation of ethane C2H6 using a method based on standard enthalpy change o

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3 years ago

Give an example of a diatomic molecule found in Earth's atmosphere.

ANTONII [103]

Answer:

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Explanation:

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3 years ago

What is the molarity of 555 L of a Ba(OH)2 solution if the pH is 10.20?

Kipish [7]

pH is a symbolic representation of:

$pH=-\log \lbrack H^+\rbrack$

and for water we now that:

$\lbrack H^+\rbrack\lbrack OH^-\rbrack=10^{-14}$

that means the text give us the information to calculate the concentration of protons and therefore the concentration of ions OH-:

$pH=10.2\rightarrow\lbrack H^+\rbrack=10^{-10.2}^{}$

therefore the concentration of OH- can be calculated:

$\lbrack OH^-\rbrack=\frac{10^{-14}}{10^{-10.2}}=10^{-3.8}=1.58\times10^{-4}\text{ M}$

but they are not asking about the concetration of OH- they ask about concentration of Ba(OH)2 and for that we need to know the disolution stechiometry

$Ba(OH)_2\rightarrow Ba^++2\times OH^-$

Whic mean the concentration of Ba(OH)2 is half the concentration of OH-:

$\lbrack Ba(OH)_2\rbrack=\frac{\lbrack OH^-\rbrack}{2}=7.92\times10^{-5}M$

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10 months ago