6) When heating liquids in a test tube, it is important that the test tube be positioned  Choose...at an anglestraight up and down   , pointed  Choose...away fromtowards    people, and  Choose...completely filledhalf-full

Q: Consider the compounds dimethylether (CH3OCH3), ethanol (CH3CH2OH), and propane (CH3CH2CH3). Their…

A: Intermolecular forces are the attractions between the molecules.

Q: Stationary phase is: Select one: O a. Solid phase O b. Organic solvent Oc.Liquid phase

A: We have to tell about stationary phase

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: ne volume of gas particles is negligible ttractive forces between gas molecules can be ignored here…

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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: 4.3 Discuss the following: (a) What factors affect the temperature and humidity required for…

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A: Given information,     If our ocean were of liquid methane rather than liquid water

Q: Identify the possible intermolecular forces existing in the structures presented below and justify.…

A: A question based on intermolecular forces, which is to be accomplished.

Q: Discuss the physical examination of materials in material science

A:

Q: not

A: In the photohalogenation reaction, alkane is treated with halogen group(Br2/Cl2) in the presence of…

Q: The following are used to remove bubbles in the mobile phase, except: Ultraviolet Vacuum Pumps…

A: Answer = EXCEPT (Ultraviolet Vacuum Pumps) Are not used for remove bubbles in the mobile phase,

Q: Give the postulates of kinetic molecular theory of matter. Explain the process of melting on the…

A: The following are the main postulates of the kinetic theory of matter: 1. Atoms and molecules are…

Q: In a vacuum chamber filled with argon gas at 100mTorr, a plasma is ignited resulting to 1%…

A: Free Electron Density in a Metal will have free electron density n = x10^ /m3. will have a number of…

Q: Describe the kinds of molecular motion that a molecule can process?

A: Matter can exist in three states which are solid, liquid and gas. These states of matter can be…

Q: 2. Draw (-101), (121), (210) and (1-1-1) planes with its directions in a cubic lattice.

A: We can draw the corresponding planes by positioning the given points on the corresponding three…

Q: At -185°C and 1 atm ethane exists as a solid with an FCC structure. The molecular mass of ethane is…

A: In a crystal structure, the smallest  basic division of a crystal that forms repetitive structure to…

Q: The thermal and mechanical processing of materials isan important step in ensuring that they have…

A: Solution -  (a) Given: Metallic element undergoes a phase transition in which the crystal…

Q: See Periodic Table See Hint Items (4 images) (Drag and drop into the appropriate area below) H,C H,C…

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A: Water and ethanol have different properties like ethanol ignite easily in presence of oxygen and…

Q: -1: Fill the blanks with suitable words or phrases: 1- The new properties obtained when mixing…

A:

Q: Please Anwser A and B in this question (in the photos)

A:

Q: t types of forces,

A:

Q: Explain why water is in liquid form and when in room temperature despite of the fact that is…

A: H-Bonding: The bond between a hydrogen atom and a highly electronegative atom F, O, and N is called…

Q: Levorotatory means that the molecules rotate to what direction?

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Q: Four solid metal balls fit snugly inside a cylindrical can. A geometrystudent claims that two extra…

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Q: When selecting a ball from your model kit to serve as the phosphorous atom from above, how many…

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Q: Arrange the following ions in order of increasing ionic radius: sodium ion, aluminum ion, fluoride…

A: Explanation - The electron or multi-electron takes into account the number of shielding electrons…

Q: Solids have a shape and are definite, compressible definite, incompressible indefinite, compressible…

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Q: 16. The following surface must remain as a plane and cannot be replaced by another element: Drive

A: given - the surface must remain as a plane and cannot be replaced by another element is a. drive, b.…

Q: 7 questions for Properties of Liquids and IMF

A: There are various types of intermolecular forces such as hydrogen bonding, vanderwaal interaction,…

Q: 17. 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. 17 ,…

Q: unknown liquid (MM = 83.21 g/mol) at 19.2 °C to a gas at s (g) 0.932 J/(g-°C) 93.5 °C? T. 57.3 °C AH…

A: We have to given three times  heat. first we have to raise the temperature from 19.2°C to 57.3°C…

Q: sation is the phase transition from to

A: Condensation is the reverse process of evaporation.

Q: Explain the meaning of third-spacing.

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Q: Write real life application examples of isostatic, syndiotactic and atactic configurations

A:

Q: 4. Although we nearly always fire-polish the ends of cut glass tubing (to minimize the risk of…

A:

Q: Find the magnitude and direction of the resultant force for the system of forces shown in the…

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Q: Match each term with its antonym (opposite). Vaporization [Choose ] Deposition [Choose ]…

A: Here the given terms are Vaporization, Deposition and Solidification. We have to choose the opposite…

Q: parta) Which of the tollowing radius? AK BS C) Ar has the smalest

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: What are the two reasons that make hydrogen atoms difficult to detect with X-ray diffraction?

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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: What two familiar phases an Elemental carbon has ?

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Q: Complete the chart by determining the state of matter (solid, liquid, or gas) of each of the…

A: The data given is, Given: Temperature = 20 oC.

Q: Luminosity, from highest to lowest. Surface Temperature, from highest to lowest. Radius, from…

A: The milky way galaxy has several billion stars. In science, we classify the stars into groups to…