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Question: What is the mass of 3 moles of sulfuric acid (H2SO4)?Options: 98 g196 g294 g392 gCorrect A..
Question: How many moles are in 500 mL of a 2 M NaCl solution?Options: 0.5124Correct Answer: 1Soluti..
Question: How many moles are in 88 grams of O2?Options: 1234Correct Answer: 2Solution: Molar mass of..
Question: If 3 moles of a gas occupy 60 liters, what is the volume occupied by 1 mole of the gas at ..
Question: Which of the following is not a state of matter?Options: SolidLiquidGasPlasmaCorrect Answe..
Question: If the principal quantum number n = 4 and the azimuthal quantum number l = 2, what is the ..
Question: What is the electronic configuration of the element with atomic number 15?Options: [Ne] 3s..
Question: Which of the following elements has the electronic configuration [Xe] 6s2 4f14 5d10?Option..
Question: Which modern analytical instrument combines UV-Vis and fluorescence detection?Options: Mas..
Question: What type of information can be obtained from the fingerprint region of an IR spectrum?Opt..
Question: What is a common application of IR spectroscopy in environmental analysis?Options: Measuri..
Question: Which type of sample preparation is commonly used before performing IR spectroscopy?Option..
Question: In IR spectroscopy, what type of molecular vibrations are primarily detected?Options: Rota..
Question: What is the primary application of UV-Vis spectroscopy in the pharmaceutical industry?Opti..
Question: What is the total number of orbitals in the n=2 shell?Options: 2468Correct Answer: 4Soluti..
Question: Which quantum number is not allowed to be negative?Options: Principal quantum number (n)Az..
Question: Which of the following statements is true about the electron configuration of an atom?Opti..
Question: Which of the following gases will have the highest rate of diffusion at a given temperatur..
Question: What is the standard state of a substance?Options: The most stable form at 1 atm and 25°CA..
Question: Which of the following statements is true regarding the equilibrium constant (K) for a rea..
Question: Which of the following is true about an exothermic reaction?Options: ΔH is positiveΔH is n..
Question: What is the enthalpy change for the reaction: H2(g) + 1/2 O2(g) → H2O(l)?Options: -285.8 k..
Question: Which of the following properties is NOT typical of elastomers?Options: High elasticityLow..
Question: What is the repeating unit in polyethylene?Options: -CH2-CH2--C6H5--C3H6--C2H4-Correct Ans..
Question: What is the IUPAC name for the compound with the formula C4H9-CHO?Options: ButanalPentanal..
Question: What is the IUPAC name for the compound with the structure CH3-CH2-CH2-CH2-CH2-COOH?Option..
Question: What is the IUPAC name for the compound with the formula C5H11-NH2?Options: PentylamineBut..
Question: What is the IUPAC name for the compound with the structure CH3-CH2-CH(CH3)-OH?Options: 2-P..
Question: Which of the following is the correct IUPAC name for the compound with the formula C3H7-CO..
Question: What is the IUPAC name for the compound C2H5-CO-CH3?Options: 2-Pentanone3-PentanoneButan-2..