Witryna12 kwi 2024 · 8.2.1 Features of phase diagrams. Two-dimensional phase diagrams for a single-substance system can be generated as projections of a three-dimensional … WitrynaWithin the "pure substances" category, students will note how some are elemental substance (made of just one element) and some are compounds (more than one kind of atom, but combined together in specific proportions). As students become familiar with these categories, they will be able to use a tree diagram to map the examples.
What is a pure substance? - Chemistry Stack Exchange
Witryna1 sie 2024 · Pure substances are defined as substances made up of only one kind of atom or molecule. Pure substances also have fixed shapes and structures. Pure substances are further classified into elements and compounds. For example; gold metal. 2. Mixtures. Mixtures are also called impure substances because it is composed of … Witryna4 paź 2024 · Explanation-- as use see nuts came from a plant and Jam is pieces of fruit; Which means Nuts is pure substance; and Jam is mixture; anyways thats all.. #pls … mental injury compensation
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WitrynaSteam is a compound, and a compound has two or more elements mixed together. As water has two elements namely hydrogen and oxygen, steam which is a form of water, also has elements. However, you cannot state steam as a direct element. Elements have only one atom or molecule. Steam, on the other hand, has 2 hydrogen molecules and … WitrynaChemistry questions and answers. Chapter 3 Exercise #1: 1. Classify each of the following as a pure substance or a mixture (write it in the first column). If it is a pure substance, then write either element or compound in the second column. If it is a mixture, then write homogeneous or heterogeneous in the second column. Witryna4 kwi 2024 · A pure substance is a substance made up of one component, whereas a mixture is a substance made up of combining two or more elements. The chemical and physical properties of the pure substance remain the same throughout, but they change in a mixture. The components of the pure substance can’t be separated by the … mental injection