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Chapter 5: Problem 1

Name five elements and five compounds that exist as gases at room temperature.

Short Answer

Expert verified
Examples of five elements that exist as gases at room temperature are Hydrogen, Oxygen, Nitrogen, Fluorine, and Chlorine. Examples of five compounds that exist as gases at room temperature include Water vapor, Carbon dioxide, Ammonia, Methane, and Nitrous oxide.

Step by step solution

01

Identify Gaseous Elements at Room Temperature

First, let's list five elements that exist as gases at room temperature. These include: Hydrogen (H2), Oxygen (O2), Nitrogen (N2), Fluorine (F2), and Chlorine (Cl2). You can remember them as they are known to exist as diatomic molecules at room temperature.
02

Identify Gaseous Compounds at Room Temperature

Next, let's list five compounds that exist as gases at room temperature. These include: Water vapor (H2O), Carbon dioxide (CO2), Ammonia (NH3), Methane (CH4), and Nitrous oxide (N2O). These are commonly known gaseous compounds.

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Most popular questions from this chapter

Air entering the lungs ends up in tiny sacs called alveoli. It is from the alveoli that oxygen diffuses into the blood. The average radius of the alveoli is \(0.0050 \mathrm{~cm}\) and the air inside contains 14 percent oxygen. Assuming that the pressure in the alveoli is 1.0 atm and the temperature is \(37^{\circ} \mathrm{C},\) calculate the number of oxygen molecules in one of the alveoli.

A piece of sodium metal reacts completely with water as follows: $$ 2 \mathrm{Na}(s)+2 \mathrm{H}_{2} \mathrm{O}(l) \longrightarrow 2 \mathrm{NaOH}(a q)+\mathrm{H}_{2}(g) $$ The hydrogen gas generated is collected over water at \(25.0^{\circ} \mathrm{C}\). The volume of the gas is \(246 \mathrm{~mL}\) measured at 1.00 atm. Calculate the number of grams of sodium used in the reaction. (Vapor pressure of water at \(25^{\circ} \mathrm{C}=0.0313\) atm. \()\)

Compare the root-mean-square speeds of \(\mathrm{O}_{2}\) and \(\mathrm{UF}_{6}\) at \(65^{\circ} \mathrm{C}\)

A gaseous hydrocarbon (containing C and H atoms) in a container of volume \(20.2 \mathrm{~L}\) at \(350 \mathrm{~K}\) and 6.63 atm reacts with an excess of oxygen to form \(205.1 \mathrm{~g}\) of \(\mathrm{CO}_{2}\) and \(168.0 \mathrm{~g}\) of \(\mathrm{H}_{2} \mathrm{O} .\) What is the molecular formula of the hydrocarbon?

Use the kinetic theory of gases to explain why hot air rises.
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