Chapter 5, Problem 81
Consider a 1.0-L sample of helium gas and a 1.0-L sample of argon gas, both at room temperature and atmospheric pressure. a. Do the atoms in the helium sample have the same average kinetic energy as the atoms in the argon sample?
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Ozone is depleted in the stratosphere by chlorine from CF3Cl according to this set of equations: CF3Cl + UV light¡CF3 + Cl Cl + O3¡ClO + O2 O3 + UV light¡O2 + O ClO + O¡Cl + O2 What total volume of ozone at a pressure of 25.0 mmHg and a temperature of 225 K is destroyed when all of the chlorine from 15.0 g of CF3 Cl goes through 10 cycles of the given reactions?
Chlorine gas reacts with fluorine gas to form chlorine trifluoride. Cl2( g) + 3 F2( g)¡2 ClF3( g) A 2.00-L reaction vessel, initially at 298 K, contains chlorine gas at a partial pressure of 337 mmHg and fluorine gas at a partial pressure of 729 mmHg. Identify the limiting reactant. Determine the theoretical yield of ClF3 in grams.
Carbon monoxide gas reacts with hydrogen gas to form methanol. CO( g) + 2 H2( g)¡CH3OH( g) A 1.50-L reaction vessel, initially at 305 K, contains carbon monoxide gas at a partial pressure of 232 mmHg and hydrogen gas at a partial pressure of 397 mmHg. Identify the limiting reactant. Determine the theoretical yield of methanol in grams.
A flask at room temperature contains exactly equal amounts (in moles) of nitrogen and xenon. a. Which of the two gases exerts the greater partial pressure?
A flask at room temperature contains exactly equal amounts (in moles) of nitrogen and xenon. c. The molecules of which gas have the greater average kinetic energy?
Calculate the root mean square velocity of F2, Cl2, and Br2 at 298 K.