Exams & Certification
What is the molecular mass of baking soda, NaHCO3? (specify units) b) how many grams of oxygen are in 0.25 mol of baking soda? c) how many hydrogen atoms are present in 0.25 mol of baking soda? Please write out all the steps The Correct Answer and Explanation is: Let’s break it down step by […]
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What is the molar mass (g/mol) of baking soda NaHCO3? Find the mass of each atom and add them together. The Correct Answer and Explanation is: To calculate the molar mass of baking soda (NaHCO₃), we need to determine the mass of each element in the compound, and then sum them up. The chemical formula
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What is the difference in the molecular mass of baking soda and quicklime The Correct Answer and Explanation is: To calculate the molecular masses of baking soda and quicklime, we need to examine their chemical formulas. Baking Soda (Sodium Bicarbonate)The chemical formula for baking soda is NaHCO₃. So, the molecular mass of baking soda is:22.99
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Assessment: Directions: Using the Asian Map, locate the Philippines and answer the questions below.. 40°E 50°E 60°E 70°E 80°E 90°E 100°E 110°E 120°E 130°E 140°E 150°E 160°E 170°E 70°N Arabian Sea Indian Ocean Bay of Bengal 60°N 50°N 40°N 30°N East China Sea Pacific Ocean 20°N Philippines Philippines Sea (source:worldatlas.com) 10°N 0°N 10°S The Correct
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Online social networking tends to self-disclosure, which can lead to . a. encourage; a decrease in online bullying b. discourage; an increase in inhibition c. discourage; deepened friendships d. encourage; both positive and negative consequences The Correct Answer and Explanation is: The correct answer is d. encourage; both positive and negative consequences. Online social networking
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The average volume of a drop of water is 0.05 mL. What would that volume be equal to in microliters? The Correct Answer and Explanation is: To convert the volume from milliliters (mL) to microliters (µL), you need to know the conversion factor between these two units. 1 milliliter (mL) is equal to 1,000 microliters
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what is the oxidation state of Carbon in CHCl3? EN values: H = 2.1 C = 2.5 Cl = 3.0 The Correct Answer and Explanation is: To determine the oxidation state of carbon in CHCl₃ (chloroform), we will use the general rules of oxidation states, along with the provided electronegativity values. Step-by-step process: Conclusion: The
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In chloroformaCHCL3,(a) Assign an oxidation state to each atom in the molecule. (Hint: Draw a dot diagram first.) (b) How many electrons does theatom own by oxidation-state electron bookkeeping? (c) How many more or fewer valence electrons are assigned to theatom here than are present in a freeatom? (d) Is it correct or incorrect to
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The mnemonic Never let monkeys eat bananas is important to the understanding of white blood cells for two reasons. Explain the two reasons and meanings of this mnemonic. The Correct Answer and Explanation is: The mnemonic “Never let monkeys eat bananas” is a helpful way to remember the order of the different types of white
iv. 3 cm 4 cm Fig. 1d The Correct Answer and Explanation is: The correct answer for the area of the triangle is 6 square centimeters (6 cm²). Explanation: The image provided shows a right-angled triangle. We can identify it as a right-angled triangle because of the small square symbol at the vertex where the