
Concept explainers
(a)
Interpretation:
The number of moles of carbon atoms present in ethanol is to be calculated.
Concept Introduction:
The formula to calculate the number of moles is given as shown below:
(a)

Answer to Problem 27A
The number of carbon atoms present in ethanol is
Explanation of Solution
The molar mass of
The chemical formula of ethanol shows that two moles of carbon atoms are present in one mole of ethanol. Therefore, the number of carbon atoms present in ethanol is,
(b)
Interpretation:
The number of moles of carbon atoms present in 1,4-dichlorobenzene is to be calculated.
Concept Introduction:
The formula to calculate the number of moles is given as shown below:
(b)

Answer to Problem 27A
The number of carbon atoms present in 1,4-dichlorobenzene is
Explanation of Solution
The molar mass of
The chemical formula of 1,4-dichlorobenzene shows that six moles of carbon atoms are present in one mole of 1,4-dichlorobenzene. Therefore, the number of carbon atoms present in 1,4-dichlorobenzene is,
(c)
Interpretation:
The number of moles of carbon atoms present in carbon suboxide is to be calculated.
Concept Introduction:
The formula to calculate the number of moles is given as shown below:
(c)

Answer to Problem 27A
The number of carbon atoms present in carbon suboxide is
Explanation of Solution
The molar mass of
The chemical formula of carbon suboxide shows that three moles of carbon atoms are present in one mole of carbon suboxide. Therefore, the number of carbon atoms present in carbon suboxide is,
(d)
Interpretation:
The number of moles of carbon atoms present in methylene chloride is to be calculated.
Concept Introduction:
The formula to calculate the number of moles is given as shown below:
(d)

Answer to Problem 27A
The number of carbon atoms present in methylene chloride is
Explanation of Solution
The molar mass of
The chemical formula of methylene chloride shows that one mole of carbon atoms is present in one mole of methylene chloride. Therefore, the number of carbon atoms present in methylene chloride is,
Chapter 6 Solutions
World of Chemistry, 3rd edition
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- Consider the following decomposition reaction of N2O5(g): For the reaction 2 N2O5(g) → 4 NO2(g) + O2(g), the following mechanism has been proposed: N2O5 → NO2 + NO3 (K1) NO2 + NO3 → N2O5 (k-1) NO2 + NO3 → NO2 + O2 + NO (K2) NO + N2O5 → NO2 + NO2 + NO2 (K3) Indicate whether the following rate expression is acceptable: d[N2O5] = -k₁[N₂O₂] + K¸₁[NO₂][NO3] - K¸[NO₂]³ dtarrow_forwardIn a reaction of A + B to give C, another compound other than A, B or C may appear in the kinetic equation.arrow_forwardFor the reaction 2 N2O5(g) → 4 NO2(g) + O2(g), the following mechanism has been proposed: N2O5 →> NO₂+ NO3_(K1) NO2 + NO3 → N2O5 (k-1) NO2 + NO3 → → NO2 + O2 + NO (K2) NO + N2O5- NO2 + NO2 + NO2 (K3) d[N₂O5] __2k‚k₂[N2O5] Indicate whether the following rate expression is acceptable: dt k₁₁+ k₂arrow_forward
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