Concept explainers
Interpretation:
The amounts, in milligrams, of
Concept Introduction:
In an empirical formula, the mass of each element changes into moles by taking the molar mass from the periodic table.
Each mole value is divided by the smallest number of calculated moles.
Answer to Problem 100AP
Solution:
(a) The amounts of
(b)
(c)
Explanation of Solution
Given information: The mass of compound Y =
The mass of
The mass of
a)The mass of
The mass of
The mass of
The mass of oxygen is calculated as follows:
b)Derive the empirical formula of
The calculated value of compound
The mass of each element changes into moles by taking the molar mass from the periodic table as follows:
Each mole is divided by the smallest number of calculated moles and taken round to the nearest whole number.
The value of each element is considered as the mole ratio of the elements, which is represented by subscripts in the empirical formula, as follows:
c) Plausible structure for
The compound
The structures are represented below.
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Chapter 25 Solutions
Chemistry
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- Write the chemical formula and Lewis structure of the following, each of which contains five carbon atoms:(a) an alkane(b) an alkene(c) an alkynearrow_forwardWhich chemical formulas represent organic compounds and which represent inorganic compounds: (a) H 2SO 4; (b) Br 2; (c) C 5H 12?arrow_forwardExplain each statement in terms of atomic properties:(a) Carbon engages in covalent rather than ionic bonding.(b) Carbon has four bonds in all its organic compounds.(c) Carbon forms neither stable cations, like many metals, norstable anions, like many nonmetals.(d) Carbon bonds to itself more extensively than does any otherelement.(e) Carbon forms stable multiple bondsarrow_forward
- a) True or false: Alkenes undergo addition reactions andaromatic hydrocarbons undergo substitution reactions.(b) Using condensed structural formulas, write the balancedequation for the reaction of 2-pentene with Br2and name the resulting compound. Is this an addition ora substitution reaction? (c) Write a balanced chemicalequation for the reaction of Cl2 with benzene to make paradichlorobenzenein the presence of FeCl3 as a catalyst. Isthis an addition or a substitution reaction?arrow_forward(a) When the metallic element sodium combines with the nonmetallic element bromine, Br2(l), how can you determine the chemical formula of the product? How do you know whether the product is a solid, liquid, or gas at room temperature? Write the balanced chemical equation for the reaction. (b) When a hydrocarbon burns in air, what reactant besides the hydrocarbon is involved in the reaction? What products are formed? Write a balanced chemical equation for the combustion of benzene C6H6(l), in air.arrow_forwardWrite two complete, balanced equations for each of the following reactions, one using condensed formulas and one using Lewis structures:(a) ethanol reacts with propionic acid(b) benzoic acid, C6H5CO2H, is added to a solution of sodium hydroxidearrow_forward
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