Exams & Certification

y 5 4 3 2 1 -5 -4 -3 -2 -1 1 2 3 4 5 x -2 -3 -4 -5 Which The Correct Answer and Explanation is: Based on the graph provided, the correct answer is that the relation shown is not a function. A fundamental concept in mathematics is the definition of a function. […]

The electron configuration of the P3- ion is 1s2 2s2 2p6 3s2 1s2 2s2 2p6 3d2 3p6 none of the answers are correct 1s2 2s2 2p6 3d5 3p3 The Correct Answer and Explanation is: The correct electron configuration of the P³⁻ ion is: 1s² 2s² 2p⁶ 3s² 3p⁶ Here’s why: Phosphorus (P) has an atomic

A movement from a point inside the production possibilities frontier to a point on the production possibilities frontier represents Select one: A. unemployment of labour but not capital. B. an infinite opportunity cost. C. full employment of labour but not capital. D. a tradeoff. E. a free lunch. The Correct Answer and Explanation is: The

Question 25 O Mark this question Which statement below is true regarding sustainable economic growth? It means that we will be able to maintain our level of production only for a short time. It is not possible to produce at a level of production that is sustainable. Technological developments can increase the level of sustainable

The Lewis structure for the chlorate ion, ClO3, should show single bond(s), double bond(s), and lone pair(s). (Chlorine is the central atom) A) 1,2,7 B) 3 0-9 7-5-2 – 25 2 877 +0 = )be (1,2, 8 6-2-4 O 6-2-4 The Correct Answer and Explanation is: The correct answer is 1, 2, 8. The Lewis

In triangle QRS, QR = 8 and RS = 5. Which expresses all possible lengths of side QS? O QS = 13 O 5 < QS < 8 O QS > 13 O 3 < QS < 13 The Correct Answer and Explanation is: The correct answer is: 3 < QS < 13 Explanation: In

In triangle QRS, QR = 8 and RS = 5. Which expresses all possible length of side QS? A) QS = 13 B) 5 < QS < 8 C) QS > 13 D) 3 < QS < 13 The Correct Answer and Explanation is: To determine the possible lengths of side QS in triangle QRS,

What is a production possibilities frontier? What do points along the frontier represent? What do points inside and outside the frontier represent? The Correct Answer and Explanation is: A Production Possibilities Frontier (PPF) is a curve that represents the maximum possible output combinations of two goods or services that an economy can produce, given the

What is the difference between an alkane, an alkene, and an alkyne? The correct answer and explanation is: Alkanes, alkenes, and alkynes are all hydrocarbons, meaning they are composed only of carbon and hydrogen atoms. The key difference between these three types of hydrocarbons lies in the types of bonds between the carbon atoms. Alkanes

Reactants capable of interacting to form products must first overcome the thermodynamic barrier known as the reactions: activation energy dynamic barrier free-energy content endothermic level The Correct Answer and Explanation is: The correct answer is activation energy. Activation energy is the minimum amount of energy required to initiate a chemical reaction. It is the “thermodynamic