Exams & Certification
NAME: BLOCK: DATE: CHEMISTRY: COUNTING ATOMS IN COMPOUNDS WORKSHEET #7.0.1 INSTRUCTIONS: Write the quantity of atoms of each element opposite the formula of the compound for the quantity of formula units and molecules shown: For example: SP,0, P= (5×2 =) 10 0= (5×3 =15 For example: 4Zn(NO) Zn-4×1 =)4 N-(4x1x2-)8 0-4×3 x 2 = ) […]
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Cosider the dissociation of silver carbonate: Ag2CO3 (s) —-M, and [CO32-]=2.15-10-42.15-10-4 M Which of the following is true? -2Ag+ (aq) + CO32- (aq) (Ksp = 8.10-10-12 8.10-10-12) When the molarities of ions are: [Ag+] = 2.30-10-4 2.30-10-4Please show and explain steps! Thanks!Cosider the dissociation of silver carbonate:Ag2CO3 (s) 2Ag+ (aq) + CO32 (aq) (Ksp =
A. The Lewis diagram for PO(OH)3 is: The electron-pair geometry around the P atom in PO(OH)3 is . There are lone pair(s) around the central atom, so the geometry of PO(OH)3 is . B. The Lewis diagram for SeH2 is: The electron-pair geometry around the Se atom in SeH2 is . There are lone pair(s)
Draw the Lewis structure for SeH2 in the window below and then answer the questions that follow. D What is the electron-pair geometry for Se in SeH₂?What is the the shape (molecular geometry) of SeH2? The Correct Answer and Explanation is : Electron-pair Geometry and Molecular Geometry of SeH₂: Electron-pair Geometry:In SeH₂, selenium (Se) is
Ordering cost is which type of cost? Multiple Choice Fixed Variable Overhead The Correct Answer and Explanation is : The correct answer is Variable Cost. Explanation: Ordering costs are typically considered variable costs because they change in direct proportion to the number of orders placed or the volume of materials being ordered. These costs vary
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1) What does the graph represent?(Select the correct answer below) a. Endothermic reaction b. Exothermic reaction Products 2) How do Endothermic reactions feel when they are touched? (Select the correct answer a. Hot b. Cold 3) What is the name of that specific science that studies heat changes and phase changes in chemical reactions? (select
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Given an equilateral triangular prism with base edge 13 cm and height of 3 cm. Find the measure of the lateral area, surface area, and volume. Round to the nearest tenth. Given an equilateral triangular prism with base edge 13 cm and height of 3 cm. Find the measure of the lateral area, surface area,
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ZAPPOS: MAKING HUMAN RESOURCES THE KEY TO CUSTOMER SERVICE introduction Zappos.com is an online shoe and apparel retailer that has built a strong brand and has shown impressive sales growth since its founding. It’s based in las Vegas, Nevada. The company had zero sales in 1999, $370 million in 2005, and over $1 billion in
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a. Because a lawn is watered and fertilized, the grass grows thicker. b. An overgrown lawn is manicured by mowing it with a lawn mower. c. Ice cubes form when a tray filled with water is placed in a freezer. d. An egg is fried in a skillet. The Correct Answer and Explanation is :
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A soil element is shown in Figure 10.30. Determine the following: a. Maximum and minimum principal stresses b. Normal and shear stresses on the plane AB Use Eqs. (10.3), (10.4), (10.6), and (10.7). Repeat Problem 10.1 for the element shown in Figure 10.31. Using the principles of Mohr’s circles for the soil element shown in
A soil element is shown in Figure 10.30. Determine the following Read More »