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Chapter 21: Problem 9

Write the formulas of the following compounds. (a) ammonia (b) laughing gas (c) hydrogen peroxide (d) sulfur trioxide

Short Answer

Expert verified
Answer: The chemical formulas for the given compounds are: (a) Ammonia - NH_3, (b) Laughing gas - N_2O, (c) Hydrogen peroxide - H_2O_2, and (d) Sulfur trioxide - SO_3.

Step by step solution

01

(a) Ammonia Formula

Ammonia is a compound made up of nitrogen and hydrogen. The formula for ammonia can be found by recognizing that it has one nitrogen atom and three hydrogen atoms. The chemical symbol for nitrogen is N and for hydrogen is H. Therefore, the formula for ammonia is NH_3.
02

(b) Laughing Gas Formula

Laughing gas, also known as nitrous oxide, is a compound made up of nitrogen and oxygen. It contains two nitrogen atoms and one oxygen atom. The chemical symbol for nitrogen is N and for oxygen is O. Thus, the formula for laughing gas is N_2O.
03

(c) Hydrogen Peroxide Formula

Hydrogen peroxide is a compound composed of hydrogen and oxygen. It has two hydrogen atoms and two oxygen atoms. The chemical symbol for hydrogen is H, and for oxygen, it is O. Consequently, the formula for hydrogen peroxide is H_2O_2.
04

(d) Sulfur Trioxide Formula

Sulfur trioxide is a compound made up of sulfur and oxygen. It contains one sulfur atom and three oxygen atoms. The chemical symbol for sulfur is S, and for oxygen, it is O. As a result, the formula for sulfur trioxide is SO_3.

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Most popular questions from this chapter

Write a balanced equation for the preparation of (a) \(\mathrm{N}_{2}\) from \(\mathrm{Pb}\left(\mathrm{N}_{3}\right)_{2}\) (b) \(\mathrm{O}_{2}\) from \(\mathrm{O}_{3}\) (c) \(\mathrm{S}\) from \(\mathrm{H}_{2} \mathrm{~S}\)

Give the Lewis structure of (a) \(\mathrm{HNO}_{3}\) (b) \(\mathrm{H}_{2} \mathrm{SO}_{4}\) (c) \(\mathrm{H}_{3} \mathrm{PO}_{4}\)

Choose the strongest acid from each group. (a) \(\mathrm{HClO}, \mathrm{HBrO}, \mathrm{HIO}\) (b) \(\mathrm{HIO}, \mathrm{HIO}_{3}, \mathrm{HIO}_{4}\) (c) \(\mathrm{HIO}, \mathrm{HBrO}_{2}, \mathrm{HBrO}_{4}\)

Why does concentrated nitric acid often have a yellow color even though pure \(\mathrm{HNO}_{3}\) is colorless?

Chlorine can remove the foul smell of \(\mathrm{H}_{2} \mathrm{~S}\) in water. The reaction is $$\mathrm{H}_{2} \mathrm{~S}(a q)+\mathrm{Cl}_{2}(a q) \longrightarrow 2 \mathrm{H}^{+}(a q)+2 \mathrm{Cl}^{-}(a q)+\mathrm{S}(s)$$ If the contaminated water has \(5.0\) ppm hydrogen sulfide by mass, what volume of chlorine gas at STP is required to remove all the \(\mathrm{H}_{2} \mathrm{~S}\) from \(1.00 \times 10^{3}\) gallons of water \((d=1.00 \mathrm{~g} / \mathrm{mL}) ?\) What is the \(\mathrm{pH}\) of the solution after treatment with chlorine?
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