Web(R.D) bottle (known as pyknometer also), stand, beaker, unknown liquid, distilled water. Theory: The force of friction which one part of the liquid offers to another part of the liquid is called viscosity. For measuring the viscosity coefficient, Ostwald viscometer method is used which is based on Poiseuille’s law. Web1. Density determination of an unknown liquid. Weigh a clean, dry, stoppered 50 mL Erlenmeyer flask as accurately as possible. Pipet 10.00 mL of the unknown liquid into the …
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WebSep 22, 2024 · Physical Chemistry. Question #240633. A 50-mL pycnometer is found to weigh 120 g when empty, 171 g when filled with water, and 160 g when filled with an … WebThis puts the control of one's wealth back in their hands. Bitcoin is the fastest-growing asset in known history, going from less than a penny to $28,000 in March 2024. Liquid Mining is focused on ... noting his head
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WebThe vapor goes back to liquid and the boiling point of the liquid is observed. The boiling point was 78.8 which allowed me to believe the unknown liquid was Ethyl Acetate. Results Purification and identification of solid Unknown Crude mass (mg) Final mass (mg) Crude Melting Point (C) Final Melting Point (C) Percent Recovery J 106.4 29.95 55.1 ... Web4 hours ago · One of the biggest complaints is that the chatbot lies. The Straits Times looks at the promise and limitations of ChatGPT. Read more at straitstimes.com. WebJan 2, 2013 · A student determines that an unknown liquid has a density of 0.78 g/mL, a boiling point of 63.0 ± 0.1 oC, and it is soluble in water and in ethyl alcohol. Use the table on page 4 to identify the most likely candidate for the unknown liquid. What is the second most likely candidate for the unknown liquid? noting in a sentence