Discussing new concepts and practicing new skills #1 Activity 1: How does water break down rocks? Objective: Describe how water break down rocks. Materials: small and soft rocks, a jar half filled with water, piece of cloth, and rubber band Procedure: 1. Put the small and soft rock samples that you have prepared inside the […]
Which of these is equal to 50 + 21? The Correct Answer and Explanation is: Correct Answer: The correct answer to 50 + 21 is 71. Explanation: To solve 50 + 21, we are performing a basic arithmetic operation called addition. Addition is one of the four fundamental operations in mathematics, along with subtraction, multiplication,
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A 51°F to Celsius b. -70°F to Celsius c. 55°C to Fahrenheit a. 51°F = °C (Type an integer or decimal rounded to the nearest tenth as needed.) The Correct Answer and Explanation is: Answers: a. 51°F = 10.6°Cb. -70°F = -56.7°Cc. 55°C = 131°F Explanation Temperature conversions between Fahrenheit (°F) and Celsius (°C) use
Which of the following best describes deflation (everfi)? A. A decrease in purchases of goods and services. B. A decrease in the cost of goods and services. C. An increase in purchases of goods and services. D. An increase in the cost of goods and services. The Correct Answer and Explanation is: Correct Answer: B.
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Identify the materials if it a mixture or pure substance. Write your answer in your notebook. Give the reason for your answer. Material Mixture or Pure Substance/ Why 1. orange juice 2. halo-halo HALO HALO 3. Carbon atom 6 2s22p2 C Carbon 12.0107 4. steel 5. sugar SUGAR The Correct Answer and Explanation is: Answers:
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French knife is used to remove zest or citrus peels in thin strips The Correct Answer and Explanation is: Correct Answer: Channel Knife A channel knife is a small French kitchen tool specifically used for removing zest or citrus peels in thin, decorative strips. It is a popular tool in professional kitchens and among bartenders
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Determine the VSEPR structure and polarity of the molecules in Lewis structures. 1. O2 2. NO3 3. MgF2 4. HCN 5. C2H4 6. N2O 7. SiH4 8. NH3 9. PFCl4 10. IBr3 11. XeF2 12. SF5Cl 13. IF5 14. XeCl2F2 15. H3PO4 The Correct Answer and Explanation is: 1. O₂ (Oxygen) 2. NO₃⁻ (Nitrate ion)
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How do you answer this problem: 4.2v – 5 – 6.5v? The Correct Answer and Explanation is: To solve the algebraic expression: 4.2v – 5 – 6.5v Step-by-step solution: This is the simplified form of the expression:Answer: −2.3v−5-2.3v – 5−2.3v−5 Explanation: In algebra, simplifying expressions is a fundamental skill. The expression provided, 4.2v – 5
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A number written in expanded form is written has the sum of each blank write 39,005 in expanded form The Correct Answer and Explanation is: Expanded Form of 39,005:30,000 + 9,000 + 0 + 0 + 5 Or, more clearly and completely:30,000 + 9,000 + 0 + 0 + 5 = 39,005 Explanation Expanded form
What is the mass in grams of 1.2 moles of K?What is the mass in grams of 1.2 moles of K? The Correct Answer and Explanation is: To find the mass in grams of 1.2 moles of potassium (K), use the formula: Mass=Moles×Molar Mass\text{Mass} = \text{Moles} \times \text{Molar Mass}Mass=Moles×Molar Mass The molar mass of potassium (K) is
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