Determine whether molecular diagram represents a pure substance or a mixture. If it represents a pure substance, clas- sify the substance as an element or a compound. If it represents a mixture, classify the mixture as homogeneous or heterogeneous.

Q: TRUE OR FALSE 1. A heterogeneous mixture can be separated into pure substances, but a homogeneous…

A: Mixture  A mixture is the physical combination of two or more substances in which the identities are…

Q: Which of the following statements describe a mixture? • A mixture does not contain a fixed ratio by…

A: Introduction Mixtures in chemistry are formed when two or more different substances are combined…

Q: Both a mixture and a compound are combinations of substance. So explain how they are different

A: Compounds  - These are the substances that  are made up of more than one type of atoms. Mixture…

Q: Which of the following is classified correctly? 24 Karat gold is a homogeneous mixture. Graphite is…

A: 24 karat gold is means pure gold no any other metal are mixed with gold that means 24 karat gold is…

Q: a substance has particles that are close together with no regular arrangement. the particles vibrate…

A: The objective of the question is to identify the state of matter of a substance based on its…

Q: Complete the following operation and determine the correct answer using the appropriate number of…

A: Numbers with decimals have some significant and some non significant figures.  All non zero digits…

Q: What can you observe in the following beaker with the bottom layer containing a purple substance and…

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

Q: Classify each of the following as either a pure substance, homogeneous mixture or a heterogeneous…

A:

Q: A glass of cold milk is an element, a compound, a homogeneous mixture or heterogeneous mixture?

A: A glass of cold milk is an element, a compound, a homogeneous mixture or heterogeneous mixture?…

Q: In these diagrams, different atoms are represented by different colors. Classify each sample…

A: Let us give number to the sample diagrams (1-10) from left to right with respect to rows. 1      2…

Q: Which is an example of a physical change?

A: Physical change can be defined as the change in the physical form of the substance without any…

Q: Cite the evidence that indicates that only physical changes occur when a platinum wire is heated in…

A: Physical change means any kind of change of a substance's form like size, colour etc. without being…

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

A:

Q: Which of the following is a heterogeneous mixture? Brass Raisin Bran  air  sugar water  none

A:

Q: most of the materials around us are composed of mixtures of pure substances. What do you call a…

A: ANSWER : Mixture  A mixture is a physical blend of two or more components, each of which retains its…

Q: Identify each of the following: (As: element, homogeneous mixture, heterogeneous mixture, compound,…

A: As per the regulations only first three subparts can be answered.   General properties of matter:

Q: How are the properties of a compound related to those of the elements that comprise it?

A: A compound is a material formed by chemically bonding two or more elements.  In any compound,…

Q: How do we know a substance is a compound, mixture or element?

A: Mixer is the physical combination of two or more substances/compounds, where identity of each…

Q: A piece of metal with a mass of 114 g was placed into a graduated cylinder that contained 25.00 mL…

A: One question at a time!! ANSWER: 1. The volume of metal = Final volume - Initial volume = 42.5mL -…