Question
In Figure $P 2.4$ the black spheres represent carbon atoms and the red spheres represent oxygen atoms. Which of the following statements about the two equal-volume compartments is or are true?(FIGURE CAN'T COPY)a. The compartment on the left contains $\mathrm{CO}_{2} ;$ the one on the right contains CO.b. The compartments contain the same mass of carbon.c. The ratio of oxygen to carbon in the gas in the left compartment is twice that of the gas in the right compartment.d. The pressures inside the two compartments are equal. (Assume that the pressure of a gas is proportional to the number of particles in a given volume.)
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In the left compartment, we have $\mathrm{CO}_{2}$ and in the right compartment, we have $\mathrm{CO}$. This means that statement a is true. Show more…
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$\bullet$$\bullet$ We have two equal-size boxes, $\mathrm{A}$ and $\mathrm{B}$ . Each box contains gas that behaves as an ideal gas. We insert a thermometer into each box and find that the gas in box $A$ is at a temperature of $50^{\circ} \mathrm{C}$ while the gas in box $B$ is at $10^{\circ} \mathrm{C} .$ This is all we know about the gas in the boxes. Which of the following statements must be true? Which could be true? (a) The pressure in $A$ is higher than in $B$ . (b) There are more molecules in $A$ than in $B$ . (c) $A$ and $B$ cannot contain the same type of gas. (d) The molecules in $A$ have more average kinetic energy per molecule than those in $B$ (e) The molecules in $A$ are moving faster than those in $B$ . Explain the reasoning behind your answers.
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