Having too much sample can cause an inaccurate melting point under these Sir how will the observed melting point compare with the true melting point ?

Q: order these with rising density glass liquid  gas crystal plasma

A: Density order is Solid >crystal > liquid >gases >plasma .

Q: 13. Write a Claim/Evidence/Reasoning response to answer the question: What state of matter would you…

A: Goldilocks zone: The Goldilocks zone is the area around a star where it is not too hot and not too…

Q: if everything is being equal, as molecular weight decreases does the boiling point?

A: Elevation of boiling point is given by:

Q: Which part of the distillation set-up should the water inlet properly be situated? refer to the…

A: Explanation : Name of set up Distillation process, A)  Thermometer B)  Water outlet C) Cooling…

Q: 9. Write a Claim/Evidence/Reasoning response to answer the question: What state of matter would you…

A: There are mainly three states of matter,  such as solid , liquid and gases .

Q: A student measured the melting point range of an unknown solid to be 72.4 to 78.6 degrees celsius.…

A:

Q: What effect does the presence of impurity have on the melting point?

A: Melting point :-  The temperature at which solid and liquid phases of a substance are in equilibrium…

Q: A student was trying to prepare acetaminophen in the laboratory. She found a melting point range of…

A: Answer -

Q: In getting/testing the surface tension of a liquid, what is the importance of collecting more than…

A: Interpretation -  What is importance of collecting more than one drop of the liquid sample from the…

Q: When making a graph to compare the results of distillation experiment of # drops and temperature.…

A: One records the temperature of distillate as soon as the first drop is collected and every several…

Q: Why is important to add a spin bar, spin vane or boiling stones to a mixture to be heated? These…

A: Bumping of solution result in loss of solution.

Q: this experiment is about melting point and boiling point. i need answer in general. like what are…

A: Some common error related to this experiment are: Crystal may contain some impurities that will…

Q: A liquid property responsible for its resistance to flow is called what?

A:

Q: 1. How can the water displacement method be used to measure the density of tan irregularly-shaped…

A: Water displacement method is a method to determine the volume of any solid substance . In this…

Q: The table below lists factors that may affect the rate at which solids and gases dissolve. Fill in…

A:

Q: Describe the procedure for smelling a chemical. O Stick your nose close to the vessel and breathe…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: How much solid should be placed in a melting-point capillary tube?

A: The amount of solid that should be placed in a melting point capillary tube is given below.

Q: TRUE OR FALSE Melting Point should be taken on dry solids only.

A: Yes it is true melting point should be taken of dry solid only . because if  it contains moisture…

Q: Given below is the figure of contact angles of a liquid sample. Which among these contact angles…

A:

Q: Heating of the oil bath must done slowly to get a more accurate reading of the melting point of a…

A: To observe the accurate melting point of a sample it is important to heat the sample slowly near the…

Q: An unknown substance was subjected to boiling point determination. Temperature is recorded at 75℃…

A: In the method of finding boiling point of substance using capillary tube, when the bubbles escape…

Q: Could you determine the density of bromoform using water? why or why not?

A: Introduction: Density: Density is measured as mass per unit volume. The substance with high density…

Q: Describe the process inside the test tube during boiling point determination

A: Boiling Point is the temperature at which the vapour pressure of the liquid is equal to the…

Q: Examine the above photo showing the four solvents and record your observations of the physical…

A: Given the picture of four solvents A, B, C, and D. Record your observations of the physical…

Q: Can you interpret this graph. Normally on a temperature-composition phase diagram, there is a bubble…

A: Liquids that are miscible to each other to a limited extent are termed partially miscible liquids…

Q: A compound's literature melting point is118°C under normal atmospheric pressure. Which of the…

A: We used the practical concept of melting point measurement.

Q: Less is the surface area of a liquid, high will be its rate of evaporation. Select one: True False

A: The surface area of a liquid is the portion of liquid that has been revealed to or touches the air.

Q: What would be the effect on the observed melting point if a sample was heated too rapidly? O Melting…

A: Melting does not occur instantaneously. Suppose that a substance melts at 130-131°C, but when it is…

Q: Properties of Liquids and IMF example andbrief discussion

A: Liquids can be defined as fluids which do not have fixed shape but volume. For example: Water, Oil,…

Q: When a melting point determination is performed in the lab, three temperatures are noted.  In order…

A: The temperature at which the solid phase of a substance completely changes to the liquid phase is…

Q: How does the ramp rate affect the actual AND observed melting point?

A: Thermal rate effect the actual melting point of subtance, higher the ramp rate higher the observed…

Q: A student was trying to prepare acetaminophen in the laboratory. She found a melting point range of…

A: The theoretical range for the same compound is 169-173oC. The range of melting point for…

Q: Give a brief introduction on the following topic i.e. (solids: recrystallization and melting points…

A: A question based on analytical process that is to be accomplished.

Q: Q3) what is the effect of impurities on melting point?

A: Impurities present in a solid organic compound tend to have 2 effects on the melting point.  -->…

Q: You are given an impure sample of fluorene. Your crystallization solvent choices are water, methyl…

A: Fluorene and toluene are quite non-polar, water is quite polar, and methyl alcohol is somewhere…

Q: What will be the observation of melting point of ice with salt compare to ice only.

A: Depression of freezing point is a colligative property which depends upon the concentration of…

Q: Two samples have exacted the 1 point same melting points, so the samples are: If the mixture has the…

A: The temperature at which the state of the substance turns from solid to liquid is known as the…

Q: It is possible to use the Dumas method even if the sample's boiling point and vaporization point is…

A: The statement given is: .

Q: Finding vapor pressure / Partial pressure and moles using the Data collection

A:

Q: 1. What would it mean if the melting point had a wide range in temperature rather than a narrow…

A: Since you have posted a question with multiple subparts, we will solve the first three subparts for…

Q: When checking the melting point of your impure sample, what temperature should you set as the…

A: Let's say the melting point of the pure sample is 'x0 C'

Q: Nonpolar drops tended to slide before polar drops. O True O False

A: Surface tension is the reason for the spherical shape of drops. The molecules are held together by…

Q: The rotovap works to efficiently evaporate solvents by

A: Rotovap can work to efficiently to evaporate solvents by  1. Reducing the pressure to lower the…

Q: Based on your observation and understanding, explain what the chart is trying to show in terms of…

A:

Q: Describe why adding a solvent would either lower the vaper pressure of raise the boiling point.

A: For the solvent, the presence of the solute decreases its vapor pressure by dilution.This means in…

Q: What is the criterion for clean glassware? Select one: O a. no water droplets adhere to the clean…

A: To define: Criteria for clean glassware.

Q: 15. Write a Claim/Evidence/Reasoning response to answer the question: What state of matter would you…

A: Since you asked specific question so as per Q&A guidelines of portal I solve question no .15 for…

Q: determining the melting point of a substance, it is needed to continuously stir the water bath while…

A: Melting point of a substance is that temperature at which it  melts to liquid.