Does each of the following describes a physical change or a chemical change? a. The helium gas inside the balloon tends to leak out after few hours b. A flashlight beam slowly gets dimmer and finally goes up c. The frozen orange juice is reconstituted by adding water to it d. The growth of plants depends on the sun’s energy in a process called photosynthesis e. A spoonful of table salt dissolve in a bowl of soup.

Q: Classify each of the following as a physical or a chemical property.a. Iron and oxygen form rust.b.…

A: As you have posted multiple independent questions in a single request we will solve the first…

Q: Which of the following is a chemical change? A. Burning paper  B. dropping glass  C. Dissolving salt…

A: Chemical changes occur when a substance combines with another to form a new substance. A) Burning…

Q: Which of these statements is TRUE about physical states? a. A solid is compressible b. The only…

A: a) Solids is that physical stage which are have particles packed very densely. Since the particles…

Q: Identify each property as chemical or physical.a. The element mercury has a high density.b. Solid…

A: The given statements has to identified as whether physical or chemical property.

Q: a. Give the normal state (solid, liquid or gas) of each of the following i. Isopropyl alcohol ii.…

A:

Q: 1. Classify each of the following as a chemical or physical change. a. burning of wood b. browning…

A: Changes are classified into two types -  A - Physical Changes B - Chemical Changes

Q: I. Identifying Physical and Chemical change in matter. Directions: Tell whether the following…

A: There are following two type of changes -  Physical changes -  The change in which only physical…

Q: Choose Physical or Chemical Change to describe the changed described.   When a teaspoon of baking…

A: Answer :- a) Chemical  When a teaspoon of baking soda (sodium bicarbonate) is placed into a few…

Q: During a physical change:    A. It undergoes physical state changes  B. There are no changes   C.…

A: Properties of physical change : when a substance undergoes physical change, its composition remains…

Q: Determine whether the following is a physical or chemical change. Explain. 1. powering a flashlight…

A: Chemical change :  the process in which one substance or more than one substance reacts to to form…

Q: Which of the following terms describes what a doctor forms when treating patients prior to ordering…

A: Experiment is the term required for the treatment of the patient by the doctor with the normal…

Q: 6. Matter can be in a form of solid, liquid, or gases. What is a matter made of? A. Dark spots C.…

A: Matter is any substance that takes up space and has mass.

Q: Is the following transformation representative of a physical change or a chemical change? see photo…

A: Physical change: The change of state of matter is known as a physical change. In this change…

Q: 1. Which is an example of a physical change? A) The rusting of an iron nail B) The burning of…

A: melting of an ice cube in a glass of soda is a physical change. So option e is correct answer. Here…

Q: Classify the following as to chemical or physical change: Assignment : Copy and write your answer…

A: Physical changes only change the appearance of a substance while in chemical changes the the…

Q: 3. Which of the following are pure substances and which are mixtures? a. table sugar b. distilled…

A: Pure substance is made up of only one type of particle. It is always homogeneous in nature.Mixture…

Q: Which of the following is a physical change?   a. Ice melting into liquid water   b. Sodium…

A: Physical changes are changes affecting the form of a chemical substance, but not its chemical…

Q: Read the question carefully and encircle the letter of the correct answer. The following statement…

A: Chemical reactions produce new substance and particles are rearrange to form new substance . Matter…

Q: 5. Hydrogen chloride is decomposed by an electric current to hydrogen (H2) and chlorine (Cl2). Is…

A: The solution is given below -

Q: 3. Which of the following is a pure substance? a. cream of wheat b. sodium sulfate c. lemon ginger…

A: To identify the pure substance.

Q: Which one of the following represents a chemical change? a- Mercury (II) oxide is heated to and…

A: A chemical reaction is a process in which one or more substance called reactants, are converted to…

Q: 5. Seawater can be made into drinking water by boiling the seawater, collecting the steam, and con…

A: Given that : Sea water can be made into drinking water by boiling the seawater, collecting the steam…

Q: Classify each as a physical change or a chemical change.a. breaking a pencil in twob. water freezing…

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

Q: Classify the following as to chemical or physical change: Assignment : Copy and write your answer…

A: Physical change: In a physical change the physical state of matter changes. In this change different…

Q: 1. A student overheats their beaker during the dehydration of the copper salt, creating black CuO(s)…

A: If a student overheats his beaker while heating a solution of a copper salt, resulting in…

Q: Classify each property as intensive or extensive.a. volume…

A: Extensive properties are those that are dependent only on the amount of matter present in a sample…

Q: Classify each statement as a physical property or a chemical property. If its physical property,…

A: We will answer first three subparts at a time since you have not mentioned the exact subparts that…

Q: Which describes a substance that is in the solid state?A. Its particles can flow past one another.B.…

A: The options which describes the substance that is in the solid state has to be given,

Q: hich of the following statements is false? a. Matter may be a pure substance or it may be a mixture…

A:

Q: When popcorn is popped what happens?   Is this a physical or chemical change? Explain your answer.…

A: When popcorns popped they expand to become big in size.

Q: During a chemical change: A. Chemical composition changes  B. There is only a physical state change…

A: During a chemical change A. Chemical Composition changes

Q: Which is considered an elemental substance? A.CO (carbon monoxide) B.H2O (water) C.I2 (iodine) D.A…

A: Given,CO (carbon monoxide)H2O (water)I2 (iodine)A and C are elemental substances.All of the above…

Q: what is the importance of studying matter and mixtures in chemistry? explain.

A: Matter can be defined as the substance that has mass and occupy space. There are three states of…