Question 71
In the equilibrium reaction N2(g) + 3H2(g) ⇌ 2NH3(g), what happens if pressure is increased?Rates and equilibriumRates and equilibriumhard
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Question 72
What is the main reason metals conduct electricity?Chemical bondingChemical bondinghard
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Question 73
Which subatomic particle has a positive charge?Atomic structureAtomic structureeasy
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Question 74
What type of bond is formed by the sharing of electrons between atoms?Chemical bondingChemical bondingeasy
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Question 75
Calculate the number of moles in 18g of water (H2O). (Molar mass of H2O = 18g/mol)Mole conceptMole concepteasy
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Question 76
Which functional group is present in aldehydes?Organic chemistryOrganic chemistrymedium
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Question 77
Which factor generally increases the rate of a chemical reaction?Rates and equilibriumRates and equilibriummedium
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Question 78
What is the equilibrium constant expression (Kc) for the reaction: N2 + 3H2 ⇌ 2NH3?Rates and equilibriumRates and equilibriumhard
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Question 79
Which type of chemical bond is mainly responsible for the structure of diamond?Chemical bondingChemical bondinghard
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Question 80
What volume will 2 moles of an ideal gas occupy at STP (Standard Temperature and Pressure)? (1 mole at STP = 22.4 L)Mole conceptMole conceptmedium
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