[(– 8) × ( – 3)] × (– 4) is not equal to
(a) (– 8) × [(– 3) × (– 4)] (b) [(– 8) × (– 4)] × (– 3)
(c) [(– 3) × (– 8)] × (– 4) (d) ( – 8) × (– 3) – (– 8) × (– 4)
Differentiate between hexagonal close-packed (hcp) and cubic close-packed (ccp) structures in terms of coordination number and packing efficiency.
Which of the following is the multiplicative identity for an integer a ?
(a) a (b) 1 (c) 0 (d) – 1
Calculate the mass of CO2 produced when 88 grams of propane (C3H8) burns completely in excess oxygen.
Which of the following is not the additive inverse of a ?
(a) – (– a) (b) a × ( – 1) (c) – a (d) a ÷ (–1)
Explain Crystal Field Theory. Using this theory, discuss why the [Fe(CN)6]3- complex is low-spin while [FeF6]3- is high-spin.
State Faraday’s First Law of Electrolysis. Calculate the mass of copper deposited on a cathode when a current of 5 A flows for 30 minutes through a solution of copper sulfate. (Atomic mass of copper = 63.5 g/mol, Faraday’s constant = 96500 C/mol).
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