Question 91
What is the effect on the rate of a chemical reaction when the temperature is increased?Rates and equilibriumRates and equilibriummedium
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Question 92
In the equilibrium reaction N2(g) + 3H2(g) ⇌ 2NH3(g), what happens when the pressure is increased?Rates and equilibriumRates and equilibriumhard
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Question 93
Which electronic configuration corresponds to a stable noble gas atom?Atomic structureAtomic structuremedium
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Question 94
Which of the following compounds is an example of a saturated hydrocarbon?Organic chemistryOrganic chemistryhard
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Question 95
How many moles of molecules are present in 44 g of carbon dioxide (CO2)? (Atomic masses: C=12, O=16)Mole conceptMole concepteasy
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Question 96
In an electrochemical cell, which electrode is the site of reduction?ElectrochemistryElectrochemistrymedium
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Question 97
Which type of bond is formed between metal atoms in metallic bonding?Chemical bondingChemical bondinghard
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Question 98
What is the empirical formula of a compound containing 40% carbon, 6.7% hydrogen, and 53.3% oxygen by mass?Mole conceptMole concepthard
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Question 99
How many moles of oxygen gas (O2) are there in 22.4 dm³ at standard temperature and pressure (STP)?Mole conceptMole Concepteasy
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Question 100
Which of the following is a characteristic of bases?Acids, bases, saltsAcids and Baseseasy
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