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Maksim231197 [3]

3 years ago

9

The formula C2H4 can be described as

2 answers:

Mila [183]3 years ago

8 0

C2H4 is Ethylene. Ethylene is a simple hydrocarbon alkaline.

Elden [556K]3 years ago

4 0

It's describe as Ethylene

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True or False: The solute is ALWAYS a solid and the solvent is ALWAYS a liquid

sasho [114]

Answer:

false

Explanation:

Note that the solvent is the substance that is present in the greatest amount. Many different kinds of solutions exist. For example, a solute can be a gas, a liquid or a solid. ... Note that in each case, the solute particles are uniformly distributed among the solvent particles.

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2 years ago

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Which of the following elements has the lowest electronegativity?

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3 years ago

How are the environments of a desert and a tundra different?

klasskru [66]

B. A Tundra is less humid than a desert.

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2 years ago

Consider a mixture of 10 billion 02 molecules and 10 billion H2 molecules. In what way is this mixture similar to a sample conta

sashaice [31]

Explanation:

Number of oxygen molecules = 10 billion = $10^9$

Number of hydrogen molecules = 10 billion = $10^9$

Number of molecules of hydrogen peroxides = 10 billion = $10^9$

Moles of oxygen gas : $n_{o_2}$

$\frac{10^9}{N_A}=\frac{10^9}{6.022\times 10^{23} mol^{-1}}=1.6605\times 10^{-15} mol$

Moles of hydrogen gas : $n_{H_2}$

$\frac{10^9}{N_A}=\frac{10^9}{6.022\times 10^{23}mol^{-1}}=1.6605\times 10^{-15} mol$

$n_{O_2}=n_{H_2}$

Moles of hydrogen gas : $n_{H_2O_2}$

$\frac{10^9}{N_A}=\frac{10^9}{6.022\times 10^{23}mol^{-1}}}=1.6605\times 10^{-15} mol$

$n_{O_2}=n_{H_2}-n_{H_2O_2}$

Number of moles in hydrogen gas, oxygen gas and hydrogen peroxide is same.

Total number of atoms in $10^6$ molecules of oxygen:

$2\times 10^6$ (2 atoms in 1 molecule)

Total number of atoms in $10^6$ molecules of hydroegn :

$2\times 10^6$ (2 atoms in 1 molecule)

Total number of atoms in $10^6$ molecules of hydrogen peroxide:

$4\times 10^6$ (4 atoms in 1 molecule)

Number of oxygen atoms and number of hydrogen atoms are equal but individually they are not equal to number of atoms in hydrogen peroxide.

5 0

3 years ago