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Chapter 3: Problem 31

The reaction of an element \(\mathrm{X}\) with element \(\mathrm{Y}\) is represented in the following diagram. Which of the equations best describes this reaction? a. \(3 \mathrm{X}+8 \mathrm{Y} \rightarrow \mathrm{X}_{3} \mathrm{Y}_{8}\) b. \(3 \mathrm{X}+6 \mathrm{Y} \rightarrow \mathrm{X}_{3} \mathrm{Y}_{6}\) c. \(\mathrm{X}+2 \mathrm{Y} \rightarrow \mathrm{XY}_{2}\) d. \(3 \mathrm{X}+8 \mathrm{Y} \rightarrow 3 \mathrm{XY}_{2}+2 \mathrm{Y}\)

Short Answer

Expert verified
The short answer is: Analyze the reaction diagram to determine the ratios of element X and element Y. Compare the coefficients and products in each given equation to the observed ratios and choose the equation which accurately represents the reaction as shown in the diagram.

Step by step solution

01

Analyze the Reaction Diagram

Carefully observe the reaction diagram provided with the exercise to determine the ratios of element X and element Y. Count the number of X and Y atoms appearing in the reactants (left side) and the products (right side).
02

Compare the Given Options

Go through each equation provided in the options (a, b, c, and d) and compare the coefficients and products in each equation to the ratios observed in the reaction diagram in Step 1. Identify which equation matches the observed ratios.
03

Choose the Correct Equation

Based on the comparison in Step 2, select the equation which accurately represents the reaction of element X with element Y as shown in the provided diagram. This will be the correct answer to the exercise.

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Most popular questions from this chapter

A \(0.755-\mathrm{g}\) sample of hydrated copper(II) sulfate \(\mathrm{CuSO}_{4} \cdot x \mathrm{H}_{2} \mathrm{O}\) was heated carefully until it had changed completely to anhydrous copper(II) sulfate \(\left(\mathrm{CuSO}_{4}\right)\) with a mass of \(0.483 \mathrm{~g}\). Determine the value of \(x\). [This number is called the number of waters of hydration of copper(II) sulfate. It specifies the number of water molecules per formula unit of \(\mathrm{CuSO}_{4}\) in the hydrated crystal.]

Coke is an impure form of carbon that is often used in the industrial production of metals from their oxides. If a sample of coke is \(95 \%\) carbon by mass, determine the mass of coke needed to react completely with \(1.0\) ton of copper(II) oxide. $$ 2 \mathrm{CuO}(s)+\mathrm{C}(s) \longrightarrow 2 \mathrm{Cu}(s)+\mathrm{CO}_{2}(g) $$

A sample of a hydrocarbon (a compound consisting of only carbon and hydrogen) contains \(2.59 \times 10^{23}\) atoms of hydrogen and is \(17.3 \%\) hydrogen by mass. If the molar mass of the hydrocarbon is between 55 and \(65 \mathrm{~g} / \mathrm{mol}\), what amount (moles) of compound is present, and what is the mass of the sample?

Over the years, the thermite reaction has been used for welding railroad rails, in incendiary bombs, and to ignite solid-fuel rocket motors. The reaction is $$ \mathrm{Fe}_{2} \mathrm{O}_{3}(s)+2 \mathrm{Al}(s) \longrightarrow 2 \mathrm{Fe}(l)+\mathrm{Al}_{2} \mathrm{O}_{3}(s) $$ What masses of iron(III) oxide and aluminum must be used to produce \(15.0 \mathrm{~g}\) iron? What is the maximum mass of aluminum oxide that could be produced?

You take \(1.00 \mathrm{~g}\) of an aspirin tablet (a compound consisting solely of carbon, hydrogen, and oxygen), burn it in air, and collect \(2.20 \mathrm{~g} \mathrm{CO}_{2}\) and \(0.400 \mathrm{~g} \mathrm{H}_{2} \mathrm{O}\). You know that the molar mass of aspirin is between 170 and \(190 \mathrm{~g} / \mathrm{mol}\). Reacting 1 mole of salicylic acid with 1 mole of acetic anhydride \(\left(\mathrm{C}_{4} \mathrm{H}_{6} \mathrm{O}_{3}\right)\) gives you 1 mole of aspirin and 1 mole of acetic acid \(\left(\mathrm{C}_{2} \mathrm{H}_{4} \mathrm{O}_{2}\right.\) ). Use this information to determine the molecular formula of salicylic acid.
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