Interpretation: Table salt must be classified as an element, compound, or mixture.
Concept Introduction: A compound that is made up of two or more chemical components that are not chemically linked with each other is said to be a mixture.
The simplest form of matter consisting unique set of properties is said to be elements. They are pure substances made up of only one type of atom.
The chemical combination of two or more elements in a fixed proportion results in the formation of a compound.
Answer to Problem 53A
Compound.
Explanation of Solution
Table salt is made up of the chemical combination of two atoms, sodium and chlorine. The chemical combination of these atoms makes up table salt and thus, it is classified as a compound.
Interpretation: Salt water must be classified as an element, compound, or mixture.
Concept Introduction: A compound that is made up of two or more chemical components that are not chemically linked with each other is said to be a mixture.
The simplest form of matter consisting unique set of properties is said to be elements. They are pure substances made up of only one type of atom.
The chemical combination of two or more elements in a fixed proportion results in the formation of a compound.
Answer to Problem 53A
Mixture.
Explanation of Solution
In salt water, the salt is dissolved in water and the mixture obtained has a uniform composition throughout. Saltwater is a homogenous mixture of water and salt. Thus, it is classified as a mixture as the constituents are not
Interpretation: Sodium must be classified as an element, compound, or mixture.
Concept Introduction: A compound that is made up of two or more chemical components that are not chemically linked with each other is said to be a mixture.
The simplest form of matter consisting unique set of properties is said to be elements. They are pure substances made up of only one type of atom.
The chemical combination of two or more elements in a fixed proportion results in the formation of a compound.
Answer to Problem 53A
Element.
Explanation of Solution
Sodium is classified as an element as it is a pure substance that contains only one type of atom.
Chapter 2 Solutions
EP CHEMISTRY-1-YEAR LICENSE (REALIZE)
- (c) The following data have been obtained for the hydrolysis of sucrose, C12H22O11, to glucose, C6H12O6, and fructose C6H12O6, in acidic solution: C12H22O11 + H2O → C6H12O6 + C6H12O6 [sucrose]/mol dm³ t/min 0 0.316 14 0.300 39 0.274 60 0.256 80 0.238 110 0.211 (i) Graphically prove the order of the reaction and determine the rate constant of the reaction. (ii) Determine the half-life, t½ for the hydrolysis of sucrose.arrow_forward(III) adsorbent (b) Adsorption of the hexacyanoferrate (III) ion, [Fe(CN)6] ³, on y-Al2O3 from aqueous solution was examined. The adsorption was modelled using a modified Langmuir isotherm, yielding the following values of Kat pH = 6.5: (ii) T/K 10-10 K 280 2.505 295 1.819 310 1.364 325 1.050 Determine the enthalpy of adsorption, AadsHⓇ. If the reported value of entropy of adsorption, Aads Se = 146 J K-1 mol-1 under the above conditions, determine Aads Gº.arrow_forwardwith full details solution pleasearrow_forward
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