Concept explainers
(a)
Interpretation: The examples of a physical property of silver are to be identified.
Concept introduction: The properties of a substance that are observed without changing the substance are known as physical properties. When the chemical composition of a substance is changed, then the property is known as chemical property.
To determine: If the given tarnishing of silver over time is an example of a physical property of silver.
(b)
To determine: If cleaning of tarnished silver to a shiny metallic finish is an example of a physical property of silver.
(c)
To determine: If reaction of silver with chlorine to form a white solid is an example of a physical property of silver.
(d)
To determine: If sinking of silver in water is an example of a physical property of silver.
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CHEMISTRY W/WRKBK AND SMARTWORK (LL)
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- Electronic contribution to the heat capacity at constant volume A) is always zero B) is zero, except for excited levels whose energy is comparable to KT C) equals 3/2 Nk D) equals Nk exp(BE)arrow_forwardPlease correct answer and don't used hand raitingarrow_forwardCalculate the packing factor of CaTiO3. It has a perovskite structure. Data: ionic radii Co²+ = 0.106 nm, Ti4+ = 0.064 nm, O² = 0.132 nm; lattice constant is a = 2(rTi4+ + ro2-). Ca2+ 02- T14+ Consider the ions as rigid spheres. 1. 0.581 or 58.1% 2. -0.581 or -58.1 % 3. 0.254 or 25.4%arrow_forward
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