Exams & Certification
Why are human sex hormones considered to be lipids? They are hydrophilic compounds. They are made of fatty acids. They contribute to atherosclerosis. They are essential components of cell membranes; they are not soluble in water. The correct answer and explanation is : The correct answer is: “They are essential components of cell membranes; they […]
Why are human sex hormones considered to be lipids Read More »
The journal entry to record a return of merchandise purchased on account under a perpetual inventory system would credit a.Accounts Payable. b.Purchase Returns and Allowances. c.Sales Revenue. d.Inventory. The correct answer and explanation is : The correct answer is: a. Accounts Payable. Explanation: Under the perpetual inventory system, inventory records are updated continuously as transactions
Under a perpetual inventory system, acquisition of merchandise for resale is debited to the a.Inventory account. b.Purchases account. c.Supplies account. d.Cost of Goods Sold account. The correct answer and explanation is : Correct Answer: A. Inventory account. Under a perpetual inventory system, the acquisition of merchandise for resale is debited to the Inventory account. This
Under a perpetual inventory system Read More »
_ is the protocol suite for the current Internet .A) TCP/IP B) NCP C) UNIX D) ACM The correct answer and explanation is : Correct Answer: A) TCP/IP Explanation: The Transmission Control Protocol/Internet Protocol (TCP/IP) is the fundamental protocol suite that governs the functioning of the modern Internet. It serves as the standard set of
_ is the protocol suite for the current Internet Read More »
Given the balanced equation below and knowing that 0.0470 grams of magnesium metal fully reacted, determine how many grams of hydrogen gas formed as a result of that reaction. Mg (s) + 2 HCl (aq) = MgCl2 (aq) + H2 (g) The correct answer and explanation is : Solution: Final Answer: 0.00390 g of H₂
Using the VSEPR model, the molecular geometry of the central atom in H2S is A) trigonal pyramidB) trigonal planarC) tetrahedralD) linearE) bent The correct answer and explanation is : The correct answer is:E) Bent Explanation: To determine the molecular geometry of H₂S (hydrogen sulfide) using the Valence Shell Electron Pair Repulsion (VSEPR) model, follow these
Using the VSEPR model, the molecular geometry of the central atom in H2S is Read More »
What is the molecular geometry of CCl4? A) tetrahedralB) trigonal planarC) linearD) bentE) trigonal pyramid The correct answer and explanation is : The correct answer is:A) Tetrahedral Explanation: 1. Lewis Structure of CCl₄Carbon tetrachloride (CCl₄) consists of one carbon (C) atom and four chlorine (Cl) atoms. Carbon has 4 valence electrons, while each chlorine has
What is the molecular geometry of CCl4 Read More »
If a company determines cost of goods sold each time a sale occurs, it a.must have a computer accounting system. b.uses a combination of the perpetual and periodic inventory systems. c.uses a periodic inventory system. d.uses a perpetual inventory system. The correct answer and explanation is : Correct Answer: d. uses a perpetual inventory system.
If a company determines cost of goods sold each time a sale occurs Read More »
How is glycogen typically stored in the body? a. Half in the liver and half in the muscle cellsb. Three fourths in muscle tissue and one fourth in brain tissuec. One fourth in the liver and three fourths in the muscle cellsd. Half in the muscle cells, one fourth in the peripheral tissues, and one
How is glycogen typically stored in the body Read More »
Consider HCI molecule:i) Sketch a Lewis diagram of HCI.ii) Draw a fully labelled Molecular Orbital diagram for HCI.iii) Calculate the bond order for HCI. Justify whether the bond order matches the proposed Lewis structure in b) i).iv) State the number of nonbonding electron pair(s) in this molecule.v) Relate the number(s) of bonding electron between the
Consider HCI molecule Read More »