Water and ethanol, although they are both clear liquids, can be distinguished from each other by comparing their ____________.     ability to ignite     density     boiling point     all of these

Q: The state of a substance when the pressure and temperature are above the critical temperature and…

A: Critical temperature is the temperature above which a gas can't be liquify by applying pressure.  At…

Q: Chemistry No two pure compounds can have the same melting point. Is this statement true or false?…

A: The temperature at which a compound melts is known as the melting point of that compound.

Q: L flask containing in the flask after the stopcock is

A: In flask 1. V1 = 4.2 L P1 = 2.2 atm V2 = 8.4 L P2 = 1.9 atm At the both flasks are at same…

Q: The denser substance between water and cyclohexene * Your answer

A:

Q: In AAS, which of the following terms descrive a process  on how a liquid sample is converted into…

A:

Q: solid → gas [ Select ] %3D [ Select ] solid → liquid FREEZING MELTING liquid → solid SUBLIMATION…

A: Phase change are identified below:

Q: What is the liquid density of Propane as a fuel?

A: Propane is a hydrocarbon used as fuel.

Q: What is the process of the cooling curve of Naphthalene from 90 degrees to 55 degrees? tips (cool to…

A: According to the laws of thermodynamics, the process of freezing/melting or boiling takes place at…

Q: There are two glass test tubes (a and b) filled with different substances. Sort each given statement…

A: Tube (a) shows strong adhesive forces, because the substance is bound to the test tube wall.Tube (a)…

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

A:

Q: What happens to a snowflake when it is put in the freezer? does it melt or does it become glass ice?…

A: Solution - According to the question - Given - snowflake icon represents the number 1 or the least…

Q: What is the symbol, SI unit and formula of boiling & melting point?

A: Answer - Boiling point - The boiling point of a substance is the temperature at which the vapor…

Q: Define oil viscosity.

A: Viscosity is a physical property of liquid that depends on various factors like intermolecular force…

Q: f water, boiling point

A: Use boiling point elevation formula to get the answer  For NaCl=101.7°c  For sucrose

Q: Chemistry between NH3, H2, PCl3 highest to lowest surface tension? lowest to highest boiling point?…

A: Surface tension: In liquid or gases; the stronger the intermolecular forces, the higher the surface…

Q: highest boiling point first.

A:

Q: heatin using additional information to your graph so that none is missed. Background Information on…

A: Data collected in the thermal studies of ethanol is plotted in form of a graph and the graph is…

Q: explain what advantage the technique of reflux has over conventional boiling

A: Refluxing is a technique that is used to boil a mixture over a long period of time. In this…

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: To have the safest heating method, as a high school learner, the best choice is:  a. use alcohol…

A: The most safest method for heating has to be given.

Q: I Review I Constants I Periodi 1 120 100 Part A 80 60- Associate the contents of the beakers (1 – 5)…

A: The heating curve of water is given as, And the beakers with contents are given as,

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: A student synthesizes a pure compound whose melting point is known to be 150 degrees Celsius. Which…

A: Melting point is the temperature at which the solid and liquid forms of a pure substance can exist…

Q: Identify the point(s) on the following heating curve for water where the removal of heat will cause…

A: Find the point below answer

Q: Give an example of metal which(i) is a liquid at room temperature(ii) can be easily cut with…

A: Metals like Gallium, Mercury are almost in liquid form at room temperature. The very soft metal…

Q: Will water inside a sealed spherical glass boil (see bubble

A: When water is in inside a spherical sealed glass ,  And temperature of glass is raised for trying to…

Q: Directions. Graph the heating curve of ethanol using the information given. Background Information…

A: Matter: It is made up of many particles or atoms. 3 different states of matter are solid, liquid and…

Q: What kind of What is this What can you How material is it product for? made of? Product much say…

A: Here we have to determine kind of material it is made of, uses of product, quality of product and…

Q: the water for 5-8 minutes. Take the temperature of the water at the end of the time boiling. Shut…

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A:

Q: The graph was drawn from data collected as a substance was heated at a constant rate. Use the graph…

A: We know that, solid has definite volume and shape. Now as the temperature increases the vibration on…

Q: A student synthesizes an impure compound whose melting point is known to be 143 degrees Celsius.…

A: Melting point of a substance is considered at that temperature at which a solid melts.

Q: 1.To allow the separation of solids from liquids with heating , the best apparatus is: Select one…

A: There are several apparatus and storage materials are used in a chemistry laboratory to conduct…

Q: Vacuum desiccators are more efficient than ordinary desiccators because _____. (a) The low pressure…

A:

Q: A student has a mixture of two possible compounds. The student performs an extraction to separate…

A: The two compounds differ in melting points by more than 400C and the ramp rate here is 100C per…

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: What states of matter present in t2-t3

A: Basically there are three states of matter present. They are: Solids Liquids Gases Solids are…

Q: If thermal energy is added to a liquid, the following changes occurs.

A: When there is a change in the thermal energy of a system, the state of the system will be altered.…

Q: A sample will require a third heating period if none of these are the criteria used the sample still…

A: In the gravimetry analysis ,we heat the compound and determine the mass of the compound every…

Q: When heatinga flammable volatile organic liquid, we must use: Select one: a. Bunsen burner or water…

A: Flammable liquid never be heated using open flames. Electric steam bath and water bath are used.

Q: Right now, my current answers to the spaces in the problem are as follows: 1. Only dispersion forces…

A: The forces which provide interaction including force of repulsion and attraction acting between the…

Q: A student synthesizes a pure compound whose melting point is known to be 138 degrees Celsius. Which…

A: Melting point, the temperature at which the solid and liquid forms of a pure substance can exist in…

Q: How manga cubic trots (trots^3) in 1.25 cubic flops (flops^3)

A:

Q: What describes a water molecule's ability to stick to other materials? Cohesion b. Adhesion Surface…

A:

Q: Determine whether each statement describes the solid state, liquid state, or gascous state. Answer…

A: Gas state: this state is characterized by the lowest density of the three states. Liquid state:…

Q: Glue used to attach labels to bottles are classified as

A: Glue used to attach labels to bottles are classified are shown in image format.

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.