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Q: non-matter

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

Q: Classify these substances. More than one answer may apply in each case. N2 solution O homogeneous…

A: Element - It is a pure substance made up of only a single atom.  Compound - It is a pure substance…

Q: Using the Identification of Substances by Physical Properties table in the question above, when…

A: The answer is explained below.

Q: Chemistry is the study of _______ and the changes it undergoes.     mixtures     matter     pure…

A: Correct answer : Matter.

Q: Which of the following is a pure substance that can be broken down into simpler substances by…

A: Homogeneous mixture: A homogeneous mixture contains one phase and has a uniform composition…

Q: Which are the 7 steps of a „test for significance". Please describe these steps in correct order.…

A: A test of significance, often used in statistics, helps determine if there is a significant…

Q: Pure substances have many ions heterogeneous mixtures a uniform appearance100

A: To find: The pure substance have--------?

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: 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: A student walks over to the balance area with an Erlenmeyer flask in their hand. Before reaching the…

A: Erlenmeyer flask is a conical flask used for performing titrations in the laboratory.

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: Which of the following is an example of a homogeneous mixture? a) Saltwater b) Sand and water c) Oil…

A: Option a: This option is correct because the salt is completely dissolved in water. The dissolved…

Q: on average a drop of water has a volume of 50.0 microliters. What is this volume in dekaliters?…

A: Given :- volume of a drop of water = 50.0 microliters  To convert :- given volume to decaliters…

Q: The difference between heterogeneous and homogeneous mixtures is the degree to which the materials…

A:

Q: A 0.260 mL sample of very low density lipoprotein (VLDL) has a mass of 212mg. What is the density of…

A: Given,  Volume of sample = 0.260 mL And mass = 212 mg  We have to calculate the density of the…

Q: why are elements and compounds both pure substances?

A: The formation of compounds due to a combination of elements is governed using certain laws. These…

Q: Which of the following is a list of homogeneous mixtures? O Vanilla ice cream, black coffee, plain…

A: This question is related to mixture. There are two types of mixtures- homogeneous heterogeneous…

Q: give a particulate-level explanation of why ice (solid water) is less dense than liquid water?

A: Density of ice     = 0.9168 g/cm3 Density of water = 1.00g/cm3 Density gives the measure of how…

Q: Which of the following would be a homogeneous mixture?  A) graphite B) milk C) brass D)…

A: Which of the following would be a homogeneous mixture? The answer is given below with explanation.

Q: How can you distinguish an element, from a compound, from a solution, from a heterogeneous mixture?…

A: If in a mixture of different compounds there are presence of two or more different phases then the…

Q: What is it called when water goes from a liquid to to a solid? From a solid to a liquid? From a…

A: To solve this problem we have to know about phase Change of water.

Photochemistry

Photochemistry is the part of chemistry that studies the various mechanisms of reactions that are triggered by the presence of light energy. It also helps to study the changes involved in a molecule that can undergo the absorption of radiation.