
Concept explainers
(a)
Interpretation: The given properties are to be categorized as physical and chemical properties of Hydrogen.
Concept introduction: The property that does not involve any change in chemical composition is called physical property of matter while the property that involves the change in chemical composition is called chemical property of matter.
To determine: If the low density of Hydrogen gas at room temperature in comparison to other gases is its physical or chemical property.
(b)
To determine: If the reaction of Hydrogen gas with Oxygen for the formation of water is its physical property or chemical property.
(c)
To determine: If boiling of Hydrogen gas at low temperature is its physical or chemical property.
(d)
To determine: If the non-conductivity of electricity by Hydrogen gas is its physical or chemical property.

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Chapter 1 Solutions
Chemistry: The Science in Context (Fifth Edition)
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- Draw the stepwise mechanism for the reactionsarrow_forwardPart I. a) Draw reaction mechanism for the transformations of benzophenone to benzopinacol to benzopinaco lone b) Pinacol (2,3-dimethyl, 1-3-butanediol) on treatment w/ acid gives a mixture of pina colone (3,3-dimethyl-2-butanone) and 2, 3-dimethyl - 1,3-butadiene. Give reasonable mechanism the formation of the products Forarrow_forward3. The explosive decomposition of 2 mole of TNT (2,4,6-trinitrotoluene) is shown below: Assume the C(s) is soot-basically atomic carbon (although it isn't actually atomic carbon in real life). 2 CH3 H NO2 NO2 3N2 (g)+7CO (g) + 5H₂O (g) + 7C (s) H a. Use bond dissociation energies to calculate how much AU is for this reaction in kJ/mol.arrow_forward
- Part I. Draw reaction mechanism for the transformations of benzophenone to benzopinacol to benzopinaco lone and answer the ff: Pinacol (2,3-dimethyl, 1-3-butanediol) on treatment w/ acid gives a mixture of pina colone and (3,3-dimethyl-2-butanone) 2,3-dimethyl-1,3-butadiene. Give reasonable mechanism the formation of the products Forarrow_forwardShow the mechanism for these reactionsarrow_forwardDraw the stepwise mechanismarrow_forward
- Draw a structural formula of the principal product formed when benzonitrile is treated with each reagent. (a) H₂O (one equivalent), H₂SO₄, heat (b) H₂O (excess), H₂SO₄, heat (c) NaOH, H₂O, heat (d) LiAlH4, then H₂Oarrow_forwardDraw the stepwise mechanism for the reactionsarrow_forwardDraw stepwise mechanismarrow_forward
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