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3 years ago

Which series is the most reactive series? alkyne alkene alkane methane

1 answer:

6 0

Hello.

Alkali metals are the most reactive group in the periodic table, not to be confused with Alkaline earth metals.

Also, Methane is a gas, not a group on the periodic table.

they contain triple bond, one sigma bond and 2 pi bonds. Pi bonds are weak and easily broken making the compound active.

Chemical reaction is the process of breaking down bonds in reactants and forming new bonds in products. 
In Alkynes breaking down bonds is easier so they are more active.

Have a nice day

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Write the symbolic notation of an isotope of an element having 8 protons, 8 electrons, and 11 neutrons. Click on the “Templates”

horrorfan [7]

Attached to this answer is the format of Isotope Notation that you can use for future reference. (Please open)

There are 8 Protons. The Atomic Number is the same number of an element's proton.

If you can see in the format, the mass number is calculated by adding the atomic number/protons and neutrons.

Mass number = 8 + 11
Mass number = 19

The image of the final answer is attached as well.

5 0

2 years ago

What is the pressure of a sample of gas at a volume of .335 L if it occupies 1700 mL at

Alchen [17]

Answer:

4,313.43 mmHg is the pressure of a sample of gas at a volume of .335 L if it occupies 1700 mL at 850 mm Hg

Explanation:

Boyle's law says:

"The volume occupied by a given gas mass at constant temperature is inversely proportional to the pressure." This means that if the quantity of gas and the temperature remain constant, the product of the pressure for the volume always has the same value.

Boyle's law is expressed mathematically as:

Pressure * Volume = constant

o P * V = k

If you have a certain volume of gas V1 that is at a pressure P1 at the beginning of the experiment and you vary the volume of gas to a new value V2, then the pressure will change to P2, it will be true:

P1 * V1 = P2 * V2

In this case:

V1=0.335 L
P1= ?
V2= 1700 mL= 1.7 L (Being 1 L=1000 mL)
P2= 850 mmHg

Replacing:

P1*0.335 L=850 mmHg*1.7 L

Solving:

$P1=\frac{850 mmHg*1.7 L}{0.335 L}$

P1=4,313.43 mmHg

4,313.43 mmHg is the pressure of a sample of gas at a volume of .335 L if it occupies 1700 mL at 850 mm Hg

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3 years ago

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2 years ago

Methane undergoes combustion. Which products form?

Aleksandr [31]

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the balanced chemical equation for the reaction is : -

CH4 + 2 O2 =》CO2 + 2 H2O

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3 years ago

Which of a following elements has the Smallest atomic radius 1. Ge 2. SI 3. Carbon 4. Sn

Artyom0805 [142]

Answer:

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2 years ago