Exams & Certification
IR spectrum of benzyl alcohol (starting material) HIT-NO-1125 SCORE- ( ) SDBS-NO-685 IR-NIDA-05226 : LIQUID FILM BENZYL ALCOHOLTRANSHETTANCE 100 50 0 4000 3000 2000 1500 1000 500 WAVENUMBER(1-1) IR spectrum of benzoic acid (product material) HIT-NO-1101 SCORE- ( ) SDBS-NO-673 IR-NIDA-07134 : CCL4 SOLUTION BENZOIC ACIDTRANSHETTANCE 100 50 0 4000 3000 2000 1500 1000 500 […]
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Which molecule or ion has a trigonal planar molecular geometry? AsF3 HCCH CO32 – PCl3 HCN The Correct Answer and Explanation is: The molecule or ion that exhibits trigonal planar molecular geometry from the given options is CO32⁻ (carbonate ion). Trigonal planar geometry occurs when a central atom is bonded to three surrounding atoms with
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What is the VSEPR notation for AsF3? AX3 AX3E1 AX3E2 AXE2 The Correct Answer and Explanation is: The correct VSEPR notation for arsenic trifluoride (AsF₃) is AX₃E₁. To determine this notation, we consider the number of bonding pairs and lone pairs around the central atom, arsenic (As). Arsenic belongs to Group 15 of the periodic
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write the following rational number in decimal form of 11 / 6 The Correct Answer and Explanation is: To write the rational number 11/6 in decimal form, divide the numerator by the denominator:11÷6=1.8333…11 ÷ 6 = 1.8333\ldots11÷6=1.8333… The decimal form of 11/6 is 1.8333…, which is a repeating decimal. It can also be written as
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State and explain law of multiple proportion with example. The Correct Answer and Explanation is: Law of Multiple Proportion: The Law of Multiple Proportion states that if two elements combine to form more than one compound, the masses of one element that combine with a fixed mass of the other element are in the ratio
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Divide the sum of 3/11 and 2/5 by their product The Correct Answer and Explanation is: To solve the problem, follow these steps: Step 1: Add the fractions 311\frac{3}{11}113 and 25\frac{2}{5}52 To add fractions, find a common denominator. The least common denominator (LCD) of 11 and 5 is 55.311=3×511×5=1555\frac{3}{11} = \frac{3 \times 5}{11 \times
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The exchange rate of U.S. dollars to British pounds (£) is 0.63. You have $4000 to convert to British pounds. How many British pounds will you receive? A) £2520 B) £6349 C) £4063 D) £3937. With an explanation, please, because my answer that I got isn’t on here. The Correct Answer and Explanation is: To
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The atomic mass of boron is 10.81 amu. Boron has two isotopes: Boron-10 has a mass of 10.01 amu. Boron-11 has a mass of 11.01 amu. What is the \%age of each isotope in boron? (check your answer with the simulation) The Correct Answer and Explanation is: To determine the percentage of each isotope in
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The atomic mass of boron is 10.81100 amu. Boron has two isotopes: Boron-10 has a mass of 10.01294 amu: Boron-11 has a mass of 11.00931 amu What is the percentage of the boron-10 isotope The Correct Answer and Explanation is: To determine the percentage of the boron-10 isotope, we use the weighted average formula for
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Begin by watching and taking notes on the short film, “The Origin of Species: The Beak of the Finch”. Answer the following questions in complete sentences using a separate Word file. You might need to watch the film a second time to catch some of the details. 1. Why are the Galapagos considered an “living
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