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stiks02 [169]
3 years ago
7

What is caused by the heating and coolingof the earth

Chemistry
1 answer:
Dovator [93]3 years ago
5 0
Try temperature and climate change 
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By definition, any substance that donates a proton is best defined as _________.
BabaBlast [244]
A proton is the same as an H+ ion, and Arrhenius acids are the ones that release H+ in solution, so the answer is A
8 0
3 years ago
Calculate the number of hydrogen atoms in 33.0 g CH4
Elena-2011 [213]

Answer:

The number of hydrogen atoms is 4.96x10²⁴.

 

Explanation:

The number of atoms can be found with the following equation:

n = N*\eta_{H}

Where:

N: is the Avogadro's number = 6.022x10²³ atoms/mol

η: is the number of moles of hydrogen

n: is the number of hydrogen atoms

First, we need to find the number of hydrogen moles. The number of moles of CH₄ is:

\eta_{CH_{4}} = \frac{m}{M}

Where:

m: is the mass of methane = 33 g

M: is the molar mass of methane = 16.04 g/mol                      

\eta_{CH_{4}} = \frac{33 g}{16.04 g/mol} = 2.06 mol

Now, since we have 4 hydrogen atoms in 1 mol of methane, the number of moles of hydrogen is:

\eta_{H} = 2.06\: mol\: CH_{4}*4 \frac{mol\: H}{mol \: CH_{4}} = 8.24 mol

Hence, the number of hydrogen atoms is:

n = N*\eta_{H} = 6.022 \cdot 10^{23} \: atoms/mol*8.24 mol = 4.96 \cdot 10^{24} atoms

Therefore, the number of hydrogen atoms is 4.96x10²⁴.

I hope it helps you!      

3 0
3 years ago
What is the definition of electron orbital?
Vlada [557]
A function describing the location and wave-like behavior of an electron in an atom.
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1 year ago
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Suppose you had a mixture of 1 moles of methanol and 1 mole of ethanol at a particular temperature. The vapor pressure of pure m
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3 years ago
There are four states of matter, solid, liquid, gas and plasma. In order for matter to change between the different states it mu
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Answer:

solid liquid and gas

Explanation:

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