is cutting a cake a physical or chemical reaction?

Q: Define the terms chemistry and matter.

A: Chemistry is not only a subject to study, it's related to our daily life experiences. The uses of…

Q: non-matter

A: Non–matter –There are mostly those things around us that have mass and occupy space. But there is…

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: 1. What is physical change? A chemical change?|

A: As you didn't asked for a particular question number I'm giving you answer of first question. Please…

Q: Is this a chemical or physical change? List your reasons

A: When calcium metal , which has a silver color is heated with oxygen gas it gives calcium oxide as a…

Q: Define chemistry and explain how burning wood isrelated to chemistry.

A: Сhemistry is the   sсienсe  thаt  deаls  with  the соmроsitiоn, рrорerties,  &  struсture  оf…

Q: A good example of a homogeneous mixture is(a) a cola drink in a tightly capped bottle(b) distilled…

A: A mixture is a blend of components where the constituent components retain their properties and…

Q: Distinguish between chemical and physical changes?

A:

Q: Which one of these represents a CHEMICAL change? A) lard when heated changes to liquid B) water…

A: To identify: Chemical change among the given options.

Q: How to tell whether a property is physical or chemical

A: Physical properties are the properties such as colour, melting point,hardness,density and doesn't…

Q: Which of these changes are physical and which are chemical? Explain.(a) Plants make sugar from…

A: According to the question, sugar is made from water and carbon-dioxide. We have to mention as to…

Q: Classify property as physical or chemical. the odor of paint thinner

A: Physical property can be observed without changing the composition of a matter. Physical properties…

Q: Which of the following is not a physical change? Frying an egg Boiling water Liquefying oxygen…

A: Physical change is the process where the apperance of the matter or the state of matter changes. But…

Q: Cengage Learning | Cengage Technical Support DELL

A: We will use ideal gas equation to get the answer  All the values are given in question. P= 0.645atm…

Q: How does an element differ from a compound? How are they similar?

A:

Q: Is baking considered a physical change or a chemical change?

A: Baking is a process in which item to be baked is mixed with baking soda and heated in oven. Baking…

Q: Is the melting point of a chemical a physical property or chemical property

A: Physical property :-  A property which can be measured without changing the chemical composition of…

Q: 4. Water, table salt, and sugar are examples of a. Mixtures c. Compounds c. Elements d. Solutions

A:

Q: Classify each change as physical or chemical.Natural gas burns in a stove.

A: Whenever a chemical reaction occurs two types of changes can be seen. One is physical and the other…

Q: In what types of technology do the elements designated as critical materials generally play…

A: Some critical materials can produce very powerful magnets which withstand very high temperatures.…

Q: Is pure 24-carat gold a substance, element, and/or compound? Explain.

A: 24-carat gold an element. It can be also reffered to as pure substance. It contains only the gold…

Q: Gas volume is 29.96 cc, oil volume is 29.96 cc, and water volume is 25.68 cc. Calculate oil…

A: we have, Gas saturation (Sg) = Vg ÷ Vp Oil saturation (So) = Vo ÷ Vp Water saturation (Sw) = Vw ÷ Vp…

Q: Identify the characteristics of a substance.

A: To find: The Characteristics of a substance

Q: Classify each of the following as a physical or chemical change   Iron rusting -…

A: The change of matter that occurs without changing the chemical composition of the matter is called…

Q: When you put salts in the fire during a flame test, the flame turns a different color. Is this a…

A: When we puts salt in fire during flame test the flame turns to a different color.

Q: Distinguish between intensive and extensive properties of a substance.

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

Q: Classify each change as physical or chemical. (a) A balloon filled with hydrogen gas explodes upon…

A: Given statements are : (a) A balloon filled with hydrogen gas explodes upon contactwith a spark.(b)…

Q: What is physical property and chemical property?

A: Physical property- Physical property are those property whose  identity does'nt change. Physical…

Q: If a red and green solution are mixed and an orange mixture esults, is this evidence of a physical…

A: Physical change is the change in which physical property of the compound changes and it is…

Q: Identify each process as a physical change or a chemical change. Give the basis for your answer. (a)…

A: The explanation is given below-

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: Is melting candle wax a chemical or physical change

A: Physical and chemical changes When there is a change in the chemical composition the change is…

Q: Is the melting point of sodium chloride a physical or chemical change

A: Interpretation: The melting point of sodium chloride a physical or chemical change is to be…

Q: Is gasoline an element a mixture or a compound

A: Gasoline is obtained as a product in the distillation of crude oil.

Q: Differentiate between Mixtures and Compounds?

A: A mixture is a combination of two or more substances that can be mixed together in any proportion.…

Q: Classify property as physical or chemical. the shine of silver

A: Physical properties are the observations we make with our senses. In the process of observing, no…

Q: Is a cup of coffee a pure substance or mixture?

A: Since we know that a pure substances is define as the matter having both definite and constant…

Q: description of an element at the particulate level

A: An element is a substance that has only one type of atoms. These atoms are not chemically connected…

Q: light

A: C) heat Calorie A unit of heat equal to the amount of heat needed to raise the temperature of 1,000…

Q: 19. The substance in the glass below is from a kitchen tap. Is it a pure substance or a mixture?…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: 1. Homogeneous mixture(s) A. orange juice B. oil + vinegar C. household white vinegar D. salt +…

A: A combination of two or more pure substances is called as a mixture. Mixtures are of two types…

Q: Which of the following are chemical changes? a. Sawing a log b. Copper oxidizing c. burning a log…

A: Physical change : In the physical change substance can not forming new different substance and it is…

Q: The hydrogen peroxide you cleaned a cut finger with. is it a pure substance or mixture?

A: A pure substance is made up of only one substance. The constituent of pure substance has definite…

Q: Classify the following changes of substances as PHYSICAL or CHEMICAL: 12(g) - 12(s) 12(s)+ sodium…

A:

Q: 1. Metal Ore a. element b.compound c. mixture   2.  Grinding dried leaves into a fine powder…

A: We have to classify metal ore and type of change occuring on grinding leaves.

Introduction to chemistry

Chemistry is a branch of science that deals with the analysis of material and the substances that comprise it. It also manages the properties of these substances and their reactions to form new substances. It is basically centered on particles and atoms that make up components and mixtures. These chemical species will in general connect using bonds.