Which of the following describes what occurs as a liquid becomes a solid? A physical change occurs; the particles of the liquid vibrate faster and their kinetic energy increases. A physical change occurs; the particles of the liquid vibrate more slowly and their kinetic energy decreases. A chemical change occurs; the particles of the liquid vibrate faster and their kinetic energy increases. A chemical change occurs; the particles of the liquid vibrate more slowly and their kinetic energy decreases.

Q: List the names of the various changes of state for a pure substance?

A: Pure substances in chemistry are those that consist of only one kind of particles. It can be further…

Q: A marshmallow is toasted over a fire. It turns golden brown and caramelizes on the outside. It…

A: The toasting or roasting of a marshmallow is considered a chemical change in general as there are…

Q: The boiling point of benzene is 80°C. Which pair of samples will have the same average kinetic…

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Q: termine the state (Solid, Liquid or Gas) and the classification (Element or Compound) based on the…

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Q: 123. In a grammatically correct sentence or two (and in your own words), describe what heat and…

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Q: When energy is added to a liquid, it’s particles begin to move what

A: When we add energy to liquid it’s particles begin to move as increase in motion occur and particles…

Q: which of the following has the greatest amount of potential energy  A. a ball at the top of a hill…

A: answer:- This question is answered by using the simple concept of potential energy which is directly…

Q: 4. What is a characteristic property of a pure substance? Is the boiling point of a substance a…

A: Pure substances are substances that are made up of only one kind of particles and has a fixed or…

Q: When 50 g of ethanol is heated from T1 below its freezing point to a temperature T2 above its…

A: The amount of heat energy required for raising the temperature from one particular temperature to…

Q: Is heat Examples other than released States of Appearance of particles during phase change or Phase…

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Q: Name: Class Dare For each property of matter below, write the name of the property ond whether it is…

A: Physical property is the property of a substance which is observed by without changing its…

Q: In terms of heat energy, what happens when a solid changes to a liquid and then to a gas

A: Heat energy is essential for the transformation of physical states. Heat is a form of energy which…

Q: A marshmallow is toasted over a fire. It turns golden brown and caramelizes on the outside. It…

A: Physical change - Observed when there is change in the state of a chemical substance but it's…

Q: PLS ANSWER THE FOLLOWING QUESTIONS

A: The solution is given below -

Q: Which of the following is a property attributed solely to chemical change?     Change of color due…

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Q: Think about what you already know about different phases of matter. Given this figure showing the…

A: Matter exists in three states such as solid, liquid, and gas.  The conversion of one state to…

Q: [9] What will happen if a hot coffee is poured into cold water? Select one: a.The coffee will…

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Q: Which macroscopic characteristics differentiate solids, liquids, and gases? (List as many as…

A: There are the physical properties of matter explained at 2 levels Macroscopic Level Microscopic…

Q: State whether the kinetic energy of the underlined object increases or decreases as a result of the…

A: Kinetic energy is the energy an object possesses due to its motion.An object of mass (m) moving at…

Q: 1. What state of matter is achieved if a large amount of energy is added to a solid? A liquid? A…

A: There are three states of matter namely, solid, liquid, and gas. The intermolecular forces of…

Q: Separating a mixture of two liquids into its components based on their boiling points is known as: •…

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Q: 1. A quart of boiling water will cause a more severe burn if it's spilled on you than just a drop of…

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Q: 1. Two pans of water are on different burners of a stove. One pan of water is boiling vigorously,…

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Q: Energy  the matter possesses due to its position is called ? kinetic energy potential energy…

A: Kinetic energy: Energy because of the motion of the object Potential energy: Energy because of the…

Q: Is heat absorbed or released between points D and E. How does it relate to the physical state(s)…

A: Is heat absorbed or released between points D and E has to be given,

Q: .The amount of energy involved in melting a substance without changing its temperature is called the…

A: We know that, A) heat of vaporization: it is the amount of energy require to convert liquid into…

Q: The transition of a substance directly from the solid to the gas phase, without passing through the…

A: Here, we need to select which of the given option is correct for the given statement.

Q: which of the following substances would have the least amount of heat of formation A. Gaseous…

A: Standard Heat of formation or standard enthalpy of formation Denoted by ∆H.

Q: What are the physical states of the compound that exist between the indicated letters in the chart…

A: A to B the compound must be in solid states .

Q: Rank the states of matter in order of increasing kinetic energy. solid < liquid < gas gas < liquid <…

A: • The given states of matter is solid, liquid and gas.    • We need to arrange the given states of…

Q: The conversion from solid to liquid is generally (endothermic, exothermic, varies) and is called .…

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Q: Why is arrangement of the constituent atoms or molecules are important in determining the properties…

A: The arrangement of the atoms or molecules is more important in determining the properties.

Q: It is anything that occupies space and has mass. Atom Matter Molecule Plasma Which of the is under…

A: 1.   Atom is the smallest particle or the building of the block of element.    Matter is something…

Q: Label the diagram below with the following terms: Solid, Liquid, Gas, Vaporization, Freezing,…

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Q: phases of matter (solid, liquid, and gas) is NOT correct? a. All three phases consist of particles…

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A: Step 1: When the temperature is increased for water or any matter the energy consumed is expressed…

Q: It is evidential that when hot steamed water vapor comes into contact with a cold surface, water…

A: Answer: Condensation

Q: Multiple choice questions 1.sublimation is a change from a A.solid to liquid B.gas to a liquid…

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Q: Convection is the transfer of heat by touch (usually through solids) fluid (hot molecules moving)…

A: Convection is transfer of heat from one place to another by movement of fluid ie; like liquid or…

Q: Molecules possess the most amount of kinetic energy A. GAS B. LIQUID C. SOLID

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Q: Heat and Phase changes Phase changes Term used for Increase or decrease? Exothermic or phase change…

A: Phase change is defined as when one state of matter changes to another form. The phase change occurs…

Q: Freezing is a exothermic chemical change endothermic chemical change exothermic physical change…

A: Exothermic Reaction  In such reaction heat is produced during the reaction.  Endothermic reaction In…

Q: WHICH OF THE FOLLOWNG PHYSICAL PROCESSES IS EXOTHERMIC? A. BOILING OF WATER B. MELTING OF ICE…

A: WHICH OF THE FOLLOWNG PHYSICAL PROCESSES IS EXOTHERMIC? BOILING OF WATER, MELTING OF ICE…

Q: 6. What does the temperature change as liquid water is warming up? a. What type of energy is…

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Q: Directions: Fill in each E with the correct term from the word bank. energy transferred L the…

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Q: Given the following combinations:   a. a homogeneous liquid mixture of bromine, Br2, and carbon…

A: The question says Which of the pairs is an undissolved mixture of two compounds? Undissolved mixture…