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3 years ago

Scorpions belong to which group of arthropods?

Chemistry

2 answers:

Butoxors [25]3 years ago

6 0

Answer:

Scorpions are members of the class Arachnida and are closely related to spiders, mites, and ticks.

Hope this helped!! :)

S_A_V [24]3 years ago

5 0

Answer:phylum Arthropoda

Explanation:

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Use the chemical equation below to determine how many moles of ammonia

anzhelika [568]

Answer:

If we assume that there will be enough Hydrogen for the reaction to occur, then there will be 8 moles of NH

Explanation:

The balanced equation will look like this:

4N2 + 4H2 -> 8NH

6 0

3 years ago

Boron sulfide, B2S3(s), reacts violently with water to form dissolved boric acid (H3BO3) and hydrogen sulfide gas

Gwar [14]

The equation structure for the above mentioned reaction can be written as

$B_{2} S_{3}+6 H_{2} O \rightarrow 2 H_{3} B O_{3}+3 H_{2} S \uparrow$

<u>Explanation:</u>

Considering the above reaction, When Boron sulfide, reacts with water more violently to form boric acid and hydrogen sulfide gas.

$B_{2} S_{3}+H_{2} O \rightarrow H_{3} B O_{3}+H_{2} S \uparrow$

In order to balance the equation, we can do as follows.There are 2 B - atoms on both sides of the equation, but only 2 H - atoms, and one O - atom on LHS, so we have to balance it by putting 6 in front of water and 2 in front of Boric acid and 3 in front of hydrogen sulphide gas, so that we have 2 B - atoms, 3 - S atoms, 12 H - atoms on both sides of the equation, and it is balanced. Balanced equation is given as,

$B_{2} S_{3}+6 H_{2} O \rightarrow 2 H_{3} B O_{3}+3 H_{2} S \uparrow$

Thus a Balanced equation of the above mentioned reaction is written.

8 0

3 years ago

CH4 and CO₂ are the chemical formulas for:

nadya68 [22]

Answer:

CH4 = Methane

CO2 = Carbon dioxide

<h3>Hope this Helps!!</h3><h3>Hope this Helps!!:)</h3>

6 0

3 years ago

a 5.00 L sample of helium expands to 12.0 L at which point the pressure is measured to be 0.720atm. what was the original pressu

stepan [7]

Answer:

The answer to your question is Pressure 1 = 1.73 atm

Explanation:

Data

Volume 1 = 5 l

Pressure 1 = ?

Volume 2 = 12 l

Pressure 2 = 0.72 atm

Process

To solve this problem use Boyle's law to solve this problem

Pressure 1 x Volume 1 = Pressure 2 x Volume 2

-Solve for Pressure 1

Pressure 1 = Pressure 2 x Volume 2 / Volume 1

-Substitutiion

Pressure 1 = 0.72 x 12 / 5

-Simplification

Pressure 1 = 8.64/5

-Result

Pressure 1 = 1.73 atm

5 0

3 years ago

What is the shape pf a molecule with a triple bond

makkiz [27]

Explanation:

A molecule with a triple bond will have a linear geometry as the angles between the bonds will be 180 degrees. Hence, it will be a linear geometry.

For example, a molecule of dinitrogen ( $N_{2}$ ) has nitrogen atoms bonded through triple bond as follows.

:N ≡ N:

Since valency of nitrogen is 5 therefore, each nitrogen will have one lone pair of electrons.

8 0

3 years ago