If you were given a known substance for the melting point determination how could you prove it to be the specific compound and not another compound with the same melting point ?
Q: mmune with the bear spirit on an astral plane and explain the procedure for obtaining single cry
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Q: What effect does the presence of impurity have on the melting point? Can the amount of impurity be…
A: Colligative properties are those that depends on the amount of solute present in the solution. The…
Q: If you were given a known substance for the melting point determination how could you prove it to…
A: Given: Melting point determination To find: How can we prove that it is a specific compound and not…
Q: If the melting point range obtained from the unknown sample is 121-122 degrees Celsius, can we say…
A: Please find your solution below : Melting point of a substance is defined as a temperature at which…
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A: In this question, we have to choose the correct option from the given options.
Q: 1) During a melting point determination, the heating is constant and causes the temperature of the…
A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: 5. Let's say naphthoic acid was isolated by vacuum filtration from our procedure explained in the…
A: Both methods are useful for removing moisture. Vaccum drying is most effective and gentle drying…
Q: Which technique is based on the stronger attractionsome components have for the stationary…
A: In chemistry, when a reaction is performed between the reactants, that just does not involve mixing…
Q: Describe how the melting point range was determined
A: Melting point range is the range of temperature where substance actually melts .
Q: How could we verify that two different samples, with the same melting points, are the same compound?…
A: Melting point of pure compound is always sharp or have very narrow range Melting point of mixture…
Q: What are the dispersed phase and dispersion medium in milk?
A: Dispersed Phase: The phase or particles which are present in the form of colloidal particles is…
Q: For the experiment of the determination of the unknown powder using mixed melting points technique,…
A: The procedure for the determination of the melting point range for a mixture of unknown compound and…
Q: Discussion 1- If you were given a known substance for the melting point determination how could you…
A: A question based on melting point, which is to be accomplished.
Q: Re: recrystallization Before packing into a capillary tube, a solid substance has to be powdered.…
A: Watch glass
Q: As distillation method is used to seperate a homogenous mixture, which kind of mixtures…
A: Chromatography is a technique that is used for separating the components in a mixture. Separation is…
Q: What is the significance of obtaining a mixed melting point? What do you learn from a mixed melting…
A: When two substances melt together at the same temperature; then identification of particular…
Q: Does your melting point obtained for your product indicate that your sample is indeed benzoin or…
A: By matching the literature and obtained value one can consider the product. The literature value of…
Q: Which separation technique is based on the affinity of the components with the stationary and moblie…
A: We use various methods to separate component parts from a mixture. By Separation techniques…
Q: 1. What is the purpose of application of steam distillation method?
A: Applying basics concept of steam distillation purification method.
Q: You and your partner independently measure the melting point of the same pure sample .you observe q…
A: Given: observed melting points Partner A 126.5-129 oC Partner B 126-132 oC How…
Q: Explain melting point determination as a characterization technique.
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Q: What is done if the solid contains a colored impurity? Know the proper funnels and equipment to…
A: The procedure is about purification through recrystallization process.
Q: Q1:What effect would each of the following have on the observed melting point and melting point…
A: a) a thick walled tube may show an increased melting point for your sample.The melting point range…
Q: If insoluble impurities eg. dust, tissues, filter paper etc were mixed with the sample how will…
A: Melting Points:- The melting point of a substance is defined as the temperature at which it melts.…
Q: Why is it necessary to allow enough time for your samples to dry?
A: during the organic synthesis, product may contain the impurity due the presence of the solvent
Q: The melting point of the sample assigned to your group matches the melting point of a sample…
A:
Q: A student accidentally started the chromatographic run without saturating the beaker with the…
A: Answer - The correct option is (d) All of the above Explanation - According to the question -…
Q: substance classification (check all that apply) 1000X 10,000,000X Ogas Oliquid normal Osolid…
A: Sketch of a substance.
Q: Briefly explain why it is important to use crucible tongs when you transfer the heated crucible (a)…
A: (a) It is very important to use crucible tongs when you transfer the heated crucible, why because…
Q: In the event that you were given a known chemical for the purpose of determining the melting point,…
A: The temperature at which the solid starts to melt and form a liquid is known as the melting point.
Q: explain how mixed melting point determination can be used to identify a solid compound.
A: A mixed melting point is a way to "estimate" identity of an unknown substance. If you have two solid…
Q: How do we calculate the percent error for melting point for an experiment where we got a melting…
A: This problem can be solve using the formula shown below.
Q: A glass windowpane with a thin film of water on it reflects less than when it is perfectly dry. Why?
A: reflection is the change in direction of wave or light when it passes from one medium to another…
Q: 4. When performing a melting point on solid compound using a melting point apparatus, two melting…
A:
Q: why should a small volume of the cold solvent be used for rinsing the pure crystal?…
A: Using a cold solvent, the impurities present in the surface of pure crystal is removed by rinsing…
Q: What parameters should be considered when choosing between distillation methods? Are there any…
A: Distillation is refining method of refining by alternating evaporation and condensation to remove…
Q: What are the different phase changes involved in the purification using sublimation experiment?
A: Sublimation is a process in which solid is directly change into gaseous without changing in liquid…
Q: Which is the most appropriate way to dispense liquid using a dropper (vertical, 45° angle, or…
A: Dropper is a device used to transfer small quantities of liquids.
Q: If fine sand were an impurity in a sample, how would it effect the melting point? What would make…
A: Melting point of a substance is the temperature at which its solid phase and vapour phase exists in…
Q: 5. For the same solid compound as the question above, if the 1 mm sample was heated at 60° per…
A: (4) Heating rate = Temperature/time Heating rate = 200 oC/1 oC/min Heating rate = 200 min (5) 1 mm…
Q: How does the rate of temperature elevation influence the results of the melting point determination?
A: To find :The effect of rate of temperature elevation on melting point. Solution : As we know, the…
Q: To identify 1° alcohol from 2° alcohol and 2° alcohol from 3° alcohol giving Immiscible layer as the…
A:
Q: . What is the limitation of the sublimation laboratory technique? 2. When can sublination be applied…
A: Sublimation is the process in which solid is directly converted in to a gas phase.
Q: BRIEFLY explain why steam distillation can be used to purify or isolate temperature-sensitive…
A: A question based on analytical separation that is to be accomplished.
Q: Is the unknown compound considered pure? Choose... Explain your answer. Normal BIIIU X2 | X² | → fx…
A: Melting point analysis provides information about purity of sample .A pure substance with impurities…
Q: When steam distillation is not recommended? What is the theory of steam distillation technique?
A: There are various solutions which contains a lot of solvents which needs to be separated out from…
Q: 1. Why does the solid need to be finely ground and then tightly packed in a melting point capillary…
A: The temperature at which the solid melts and starts converting into liquid is called as melting…
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- see the graph and determine/give the ff: a. 1 eutectic point (temp and composition) b. 1 peritectic point (temp and composition) c. melting point of Mg2SiO4Topic : PHASE e) What is difference between the triple point and critical point explain with example.f) Calculate the number of components and degree of freedom for N2(g) + O2(g) -→2NO(g).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? 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 acetaminophen
- The melting point of a substance X is 2250C at 10.0atm. If the density of the solid phase of X is 2.67gcm-3 and the density of the liquid phase is 2.78gcm-3 at 10.0atm, predict whether the normal melting point of X will be less than, equal to, or greater than 2250C. Explain.a) what ‘s the solution?b) what is the Burger Vector?c) Define edge dislocation.d) Explain X-Ray Diffraction how to determine crystalline structuree) Explain types of imperfectionsf) Explain interstitial diffusiong) Explain How to measure Hardness.The sublimation pressures of solid Cl2 are 352 Pa at -112oC and 35 Pa at -126.5oC. The vapor pressures of liquid Cl2 are 1590 at -100oC and 7830 at -80oC. Calculate (a) △subH, (b) △vapH, (c) △fusH, and (d) the triple point. Answer: [31.4 kJ mol-1 ; 22.1 kJ mol-1 ; 9.1 kJ mol-1 ; -102oC]
- What phases are present at line segment B-C?Naphthalene melts at 353 K. The vapor pressure of the liquid is 9329.0 Pa at 407 K and 28,638 Pa at 442 K. The vapor pressure of the solid is 3.13 Pa at 286 K and 726.3 Pa at 349 K. Calculate the triple point temperature. Calculate the triple point pressure.(i) Write the type of magnetism observed when the magnetic moments are aligned in parallel and anti-parallel directions in unequal numbers.(ii) Which stoichiometric defect decreases the density of the crystal?