Sodium and potassium are both shiny metals in pure form, but corrode rapidly in the presence of oxygen and humidity to form compounds.  Does this fact describe a physical or chemical property of these two metals?

Q: What are the different ways of separating mixtures? Explain the difference between chemical…

A: If a mixture is made by mixing water and sugar then the mixture maintains the properties of both…

Q: Copper melts at 1083 °C, has a density of 8.92 g/mL, is a good conductor of electricity, and turns…

A: Chemical property is the ability of a substance to undergo a specific chemical change. These…

Q: Which of these changes are physical and which are chemical? ExplainA goldsmith melts a nugget of…

A: A change in which the chemical composition of the substance remains the same and no new substance is…

Q: When the Statue was unveiled in 1886, it was a shiny brown color, like a penny. The reason the…

A:

Q: Classify each change as physical or chemical. (a) the rusting of iron(b) the evaporation of…

A: Physical change changes the size, shape or phase of substance, Chemical change is a type of change…

Q: Which statement describes all chemical changes, but not all physical changes? O Bubbles are…

A: The statement which describes chemical changes has to be given,

Q: 1.Why is tap water a homogenous mixture, whereas distilled water is a pure substance?  Explain.

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

Q: Which of the following is a property of water?  It can freeze very fast.  It has low heat…

A: Water is present in all three states that is, solid, gas, and liquid on the Earth. Hence, the…

Q: Why do physical properties play a role in chemistry if they do not involve any chemical changes?

A: I

Q: what state of matter is CH3CO2-? It's an ion, do ions have a physical state?

A: The compound considered is acetate ion, CH3COO-

Q: A physical property is; A) The ability of a sample to undergo change B) A property the sample…

A: We need to give a definition of a physical property based on the fact of change of composition.

Q: Which of the following statements describe a physical property? i. A property which can be observed…

A: A physical property is a characteristic of a substance that can be observed or measured without…

Q: 3. Which of the following processes is best described as a chemical change? Upon heating, mercury…

A: A chemical change is defined as the change in the chemical formula of the compounds. So whenever…

Q: Which of the following represent a chemical change? Which of the following represents a physical…

A: We are to discuss which of gives changes are physical and chemical changes.

Q: Classify the following changes of substances as PHYSICAL or CHEMICAL: 12(s)+ sodium bisulfate - 2Nal…

A:

Q: When we say that lead is a denser metal than aluminum, are we talking about anextensive or intensive…

A: Intensive Property • does not depend on the amount of the substance. • even if you change the amount…

Q: A) Which term describes the conversion of substances into different substances? ionic bonding…

A: Conversion of one type of substances into other substances is take place through a reaction.

Q: 6. How can you use 7. Complete the chart below, cut it out and staple it into your journal.…

A:

Q: Classify each change as physical or chemical. The liquid propane in a gas grill evaporates because…

A: Physical change:  When a substance undergo changes like in shape, color, phase, state etc. without…

Q: A combination of at least two materials, one of which is a metal whose properties are different from…

A: Alloy is the combination of  two metals or a metal and  non metals to form a new product with…

Q: 4. How do you distinguish a. Chemical properties from physical properties b. Distillation from…

A:

Q: Which of the following is a mixture?  Brass, carbon monoxide, sulfur dioxide or salt

A: A mixture is formed due to the physical combination of substances bounded together in a…

Q: A solid substance is subjected to a number of tests. Which of the following test results would be…

A: Properties of matter refers to the characteristics/attributes which differentiates one sample from…

Q: Distinguish between physical and chemical properties.

A: Physical and chemical properties has to be distinguished.

Q: Which physical property cannot be used for measuring temperature? Color, tensile strength, volume of…

A: Hence, the correct answer is colour and tensile strength.

Q: A 75.0-g sample of a pure liquid, liquid A, with a density of 3.00 g/mL is mixed with a 50.0-mL…

A:

Q: Classify each change as physical or chemical. (a) the explosion of gunpowder in the barrel of a…

A: ANSWER

Q: Can liquid nitrogen gas and liquid oxygen gas be mixed with each other?

A: In this question, we will discuss about both liquid gases are mixed to each other or not.  I will…

Q: Classify each property as physical or chemical.a. the tendency of ethyl alcohol to burnb. the shine…

A: a. Ethyl alcohol burns as it reacts with oxygen in air to form carbon dioxide and water- this is a…

Q: Classify each of the following processes as either a physical change or a chemical change: A piece…

A: Physical change: In the physical, the state of matter is changed. In this change no chemical…

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: Which of the following is not an example of a chemical property and why? 1. An iron nail will rust…

A: Among the given processes, the process which is not an example of chemical property is, Sugar will…

Q: Classify each property as physical or chemical. (a) the tendency of silver to tarnish(b) the shine…

A: Physical property is the characteristics of matter that is not associated with a change in its…

Q: Is the decomposition of copper(II) sulfate hydrate a physical change or a chemical change? Explain.

A: Given: Decomposition of copper (II) sulfate hydrate i.e. CuSO4·5H2O.

Q: Classify each property as physical or chemical. a. the boiling point of ethyl alcohol b. the…

A: Physical property: Property of material which can be obtained without disturbing identity of…

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: What is a chemical property of a matter

A: A Matter is anything that occupy space ( volume) and gas a mass and it may be sensible by our one or…

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: In which state of matter do the particles of a chemical have the highest kinetic energy?

A: The state of matter in which the particles will be packed loosely will have maximum movement of the…

Q: Classify each change as physical or chemical. a. Natural gas burns in a stove. b. The liquid propane…

A: a. Natural gas burns in a stove.b. The liquid propane in a gas grill evaporates because the valvewas…

Q: True or False When a physical change occurs,  a change in state occurs which indicates that a new…

A: In a physical reaction the property of the component ramains same as before the reaction. e.g. Ice…

Q: Is the process of bananas ripening a chemical change or a physical change? Explain.

A: A Physical change is defined as a change that results in a change in the physical appearance of the…

Q: Classify property as physical or chemical. the tendency of ethyl alcohol to burn

A: On burning the ethyl alcohol, carbon dioxide and water are produced.

Q: 2) What evidence indicates that new substances with different properties are formed during chemical…

A: Evidences that indicates that new substance with different properties formed during chemical…

Q: Determine whether the following statements describechemical or physical properties: (a) Oxygen…

A: Note: Since you have posted a question with multiple subparts, we will solve the first three…

Q: Differentiate between Physical Properties and Chemical Properties?

A: The characteristics possessed by the substances are known as their properties which may be physical…

Q: Classify the following as a physical property or a chemical property. (a) Copper metal has a…

A: Whether the given property of copper is physical or a chemical has to be stated.

Q: List each as being a physical or a chemical property: copper sulfate is blue, iron is a solid, water…

A: Given: Copper sulfate is blue, iron is a solid, water melts at 0°C, gasoline is flammable, magnesium…

Q: Which of the following statements describe physicalproperties and which describe chemical…

A: Physical property - Physical properties are the property of matter which does not change its…