For each pair of compounds listed, check the box next to the one with the higher boiling point. compounds higher boiling point C,H4 CS, Хе Не GeH, CH Terms of Use O2022 McGraw Hill LLC. All Rights Reserved. II O oo oo o
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- I asked this question earlier but I think I forgot to include a conversion wht we know : mm of citrix acid = 192.14g/moldensity of citrix acid =166g/cm3 1 lime = 2tbsp of juice = 6 tsp 1tsp = 4.929x10-3L Q: assume citrix acid makes up 7.96% by volume of the lime juice . How many moles of citrix acid are in the recipe ( calls for 1 lime juice)Chemicals AmountBenzophenone 0.523 g (2.87*10^-3mol)Sodium borohydride 0.12 g (3.2*10^-3 mol)Benzhydrol 0.357 g (1.94*10^-3mol)Observed melting point 65-66 degree C Theroretical yield of Benzophenone ________ Percent yield _______________ Theoretical melting point __________--Cyclohexanol 10 ml Mass of cyclohexanol 9.62 g – 0.053 mol Theroretical yield cyclohexene–7.89g - ? mol Therotical mass of cyclohexene- Actual yield- 6.8ml –4.055 g –? mol Percent yield- 51.04% Boiling point of cyclohexene -83 degree Celsius Theroretical boling point -83 degree Celsius can i get some clarification pls
- does 50:50 hexane-toulene or 25:75 hexane-toulene have higher boiling point?A student measured the melting point range of an unknown solid to be 72.4 to 78.6 degrees celsius. a) Is the compound pure? b) Can you identify the compound from Table 2.2? c) If yes, what is the compound? If no, what compounds from Table 2.2 can be excluded? Table 2.2: Solid - Melting Point (Celsius) Benzoic Acid - 122 Acentanilide - 114 Acetamide - 82 Biphenyl - 71 p-Dimethoxybenzene - 59 p-Dichlorobenzene - 54 Benzophenone - 48The alcohol content of hard liquor is normally given in terms of the “proof,” which is defined as twice the percentage by volume of ethanol (C2H5OH) present. Calculate the number of grams of alcohol present in 1.00 L of 75-proof gin. The density of ethanol is 0.798 g/mL. Round off to 4 sig. figures for all calculations made prior to final answer and the final answer should be in 3 sig. figures
- 1. How to collect main batch of crystals using vacuum filtration (Set-up, things to remember)• Why use small amounts of cold water for washing? What is being washed away (2things)?2. Why measure the volume of mother liquor in a graduated cylinder?3. How to let the main batch of crystals dry/how will they be stored until next week?4. How to collect the small amount of crystals from step 4 (those that were not subjected tocrystallization)• What can we expect of this small batch of crystals compared to the main batch?What is the boiling point of the automobile radiator fluid prepared by mixing 1.04 L of ethylene glycol (HOCH2CH2OH, density = 1.114 g/mL) with 1.08 L of water (density = 1.000 g/mL)?The Kb of water is 0.520°C/m.Phys chem unit 4 . part 1 Kindly properly answer this? thank you so much :) 2. Will water inside a sealed spherical glass boil (see bubble formation?Explain.
- A student was trying to prepare acetaminophen in the laboratory. She found a melting point range of 169-173. The melting of acetaminophen is reported to be 168-172c. How could the student have verified that the produce is acetaminophen? Group of answer choices. Retake the sample melting point with more material in the sample. Ask the lab partner to measure the melting point of the sample. Take a mixed melting point with an authentic sample of acetaminophenA student measured the melting point range of an unknown solid to be 81.9 to 82.3 degrees celsius. a) Is the compound pure? b) Can you identify the compound from Table 2.2? c) If yes, what is the compound? Table 2.2: Solid - Melting Point (Celsius) Benzoic Acid - 122 Acentanilide - 114 Acetamide - 82 Biphenyl - 71 p-Dimethoxybenzene - 59 p-Dichlorobenzene - 54 Benzophenone - 48Properties of Liquids and IMF example andbrief discussion