Exams & Certification

Sapling Learning macmillan learning Map Draw a Lewis structure for SOin which all atoms obey the octet rule. Show formal charges. Do not consider ringed structures. Almost. Be sure to include the formal charges on this first structure. Find the formal charge on an atom in a Lewis structure by subtracting the number of valence […]

Select the Lewis Dot structure or structures that properly predict the formulation for SO2: You may select multiple answers. a) O-S-O b) O=S=O c) :O-S-O; d) :O-S-O The Correct Answer and Explanation is: Correct Answer:✅ b) O=S=O✅ c) :O–S–O✅ d) :O–S=O (Assuming a resonance structure was meant here) Explanation Sulfur dioxide (SO₂) is a chemical

How to calculate valency of an element when atomic no is greater than 20 The Correct Answer and Explanation is: Valency of Elements with Atomic Number Greater Than 20 To calculate the valency of an element with atomic number greater than 20, one must understand the distribution of electrons in different shells and subshells (electron

Find the mean of the data summarized in the given frequency distribution. Compare the computed mean to the actual mean of 51.9 degrees. Low Temperature (°F) 40-44 45-49 50-54 55-59 60-64 Frequency 2 6 11 6 1 The mean of the frequency distribution is __ degrees. (Round to the nearest tenth as needed.) Which of

How do I convert reciprocal centimeters to nanometers? cm^-1 to nm? Example: 2100 cm^-1 = 476 nm, but HOW do I get there? The Correct Answer and Explanation is: To convert from reciprocal centimeters (cm⁻¹) to nanometers (nm), you are essentially converting a wavenumber (a measure of frequency, used in spectroscopy) into a wavelength (the

IR Spectrum for Product Obtained Transmitance 2000 3000 2500 2000 1500 1000 500 Wavenumbers (cmYou can download the IR spectra by clicking here. (2pts) Upload your annotated IR spectrum. If you are completing this report virtually, download the IR spectra above and annotate it. The Correct Answer and Explanation is: Of course. Here is the

Obtain an IR spectrum of the product. IR Spectrum for Product Obtained You can download the IR spectra by clicking here. (2pts) Upload your annotated IR spectrum. If you are completing this report virtually, download the IR spectra above and annotate it. Please include 3 major IR peaks! 5.Obtain an IR spectrum of the product

Boltzmann’s formula: S=K\hW, where W is the number of microstates. The number of microstates indicates a) The magnitude of total energy in a group of particles b) The range of energy in a system of particles c) Number of energy levels with same energy values d) How many different ways a system of particles can

Regular icosagon and a regular tetracontagon are inscribed in a circle with a radius of 15 units Which of the two polygons has bigger area and how much? Tetracontagon with A = 695.28 sq.units Icosagon with A = 703.96 sq.units Icosagon with A = 695.28 sq.units The Correct Answer and Explanation is: To determine which

Blood Vessels Use the terminology in your lab manual and information from your textbook to complete the crossword puzzle. If the answer is two words, leave a blank box between them. 19 13 22 23 14 20 10 12 16 18 Across 1. The internal and external iliac veins merge together to form this vein