QUESTION 17 What would be the effect on the observed melting point if a sample was heated too rapidly? O Melting point would decrease O Melting point would be missed Melting point would increase

Q: What happens when attraction between particles in a substance with a low melting point?

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Q: Question 3 Based on intermolecular forces, which compound has the highest melting point: 12 or Cl?…

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Q: forces? 1. Covalent bonds in a molecule are a. Intermolecular b. intramolecular 2. Solids and…

A: “Since you have posted multiple sub-parts questions, we will provide the solution  only to the first…

Q: In a solution, the solvent A) can be a liquid or gas. B is the substance present in the smallest…

A: Answer

Q: what is the expected order in terms of size of volume average boiling point, weight average boiling…

A: The expected order of increasing average boiling point for crude oil is:Molar Average Boiling Point…

Q: A) 60°c Bi 80'C C) 100C DI 120°C Heal Aoded

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Q: What is the strongest intermolecular force between NF3 (nitrogen trifluoride) molecules? None of…

A: Correct answer is dipole-dipole forces. NF3 molecule has permanent dipole moment and it is dipole…

Q: Four liquids are described in the table below. Use the second column of the table to explain the…

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Q: 61. Complete the following partial ICE tables. change (b) change +x (c) change (e) 2H₂(g) + O₂(g) =…

A: 1.  2 mol of H2 reacts with one mole of O2 to produce 2 mol of H2OH2 (g)O2 (g)H2O(g)Change-x+x2. 1…

Q: Arrange the molecules by the strength of the London (dispersion) force interactions between…

A: Strength of carbon forces are directly proportional to area of molecule .

Q: How do you call the wavelength where a solvent is no longer transparent ? cutoff O invisible visible…

A: Visible light has range of Wavelength  in between 400 to 800 nm . Wavelengths shorter than 400 nm,…

Q: QUESTION 10 In addition to dispersion forces, what intermolecular forces are present in a solution…

A: The correct answer with explanation is given below.

Q: Which statements describe a crystalline solid? (Select all that apply) Definite shape O High…

A: A crystalline solid have the following characteristics:  1. They have definite mass, volume and…

Q: What is the normal boiling point of pure water? Select all correct answers

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

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: what would need to happen if you wanted to melt NaCl?

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Q: Molten metal often has a bright red/orange color to it, what phenomenon causes this? O Electrons can…

A: When electromagnetic radiation is emitted from a hot bodey due to high temperature then the…

Q: How can a liquid chocolate turn into a solid chocolate

A: Interpretation: How can a liquid chocolate turn into a solid chocolate is to be determined.

Q: True

A: The internal energy of a thermodynamic system is the energy contained within it. The internal energy…

Q: QUESTION 12 Only one phase is present (liquid or solid) A. The phase with greater mass C. The phase…

A: Only one phase is present (liquid or solid) under PT-conditions.

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: Question 2 of 20 A phase change graph is shown below. Assume that pressure is constant. Choose the…

A: A phase change graph shows how a substance changes its phase with change in temperature

Q: Select the true statement, if any: I. An alloy is a pure substance. II. Colloids are one type of…

A: Alloys are the homogeneous mixture of different metals. Substance is said to be pure if it is made…

Q: enter a balanced equation for the equation for the dissasociation of LiBr and  express your answer…

A: LiBr is an ionic compound with positive charge on Li and negative charge on Br which dissociates…

Q: Question Select your answer. The larger the size of molecule would mean high melting True point…

A: The melting point is a characteristic physical property of a solid. The temperature at which a solid…

Q: Heat is (added or released) to/by the solid at the melting point and remains constant until all of…

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Q: Select all intermolecular forces that stabilize the liquid phase of CF4 : a. ionic forces b.…

A: Intermolecular forces are the forces acting between two molecules of a substance, which determines…

Q: A student reports a melting point of 121°C. What is objectionable about that? 1) the melting point…

A: During qualitative analysis of compounds, we can measure the melting point of the compound.  Melting…

Q: A parameter labeled n is called the repulsion parameter. It appears in the potential energy term…

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Q: How are music acid crystals formed? Show equation

A: Actually it is Mucic acid and not Music acid. Mucic Acid : Mucic acid test is a test that is highly…

Q: How do you call in binary phase diagram, the line which is described as the locus of all system that…

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Q: A phase change graph is shown below. What is the melting point of this substance?

A: If a substance is gradually heated, it goes under the phase transitions as follows: Solid…

Q: The temperature at which a solid and liquid phase of a substance are in equilibrium with each other.…

A: The temperature at which solid and liquid phase of substances are in equilibrium  Ans - Melting…

Q: I'm not sure how to do this one.

A: Chemical bond is attractive force that binds the ions or molecules together in a compound. There are…

Q: At what point on the diagram is the critical point? A Temperature O point B O point C O point E O…

A: All matter can be classified as solid, liquid and gases mainly. In these physical states of matter,…

Q: The properties of primary substance must be pure O known chemical structure

A: A multiple choice question based on analytical chemistry, which is to be accomplished.

Q: Molecular nitrogen (N2) interacts with water and is sparingly soluble in water due to ________…

A: Dipole-induced dipole interaction is a type of intermolecular forces in which molecule with…

Q: Which portion of the AE vs T plot represents freezing? ΔΕ IV. III

A: NOTE: Since you have asked multiple questions, we will solve the first question for you. If you want…

Q: How much energy will it take to raise your ice's temperature to its melting point? 3) You have 431.3…

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Q: Which intermolecular force is responsible for the unusual physicochemical properties of water?…

A: Different types of intermolecular forces: Dipole dipole attraction : it can be defined as the…

Q: Question 3 In the phase diagram it is the point where the three states of matter: gas, liquid, and…

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Q: Which phase(s) are present at point D in the diagram below? Pressure solid Temperature O liquid E…

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Q: A solid that forms when liquids are mixed during a chemical reaction is called: O an enzyme O a…

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States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates). 

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.