WebA compound is a pure substance which composed of same molecules or atoms or same units repeated. Compound is always homogeneous. That means each portion of it has same composition and same property. Whereas in a mixture different elements or compounds are mixed in any proportion. WebClassify each of the following materials as a pure substance or mixture. If it is a pure substance, indicate if it is an element or a compound. If it is a mixture, indicate if it is a homogeneous mixture or heterogeneous. Material Pure Substance (Element or Compound) Mixture (Homogenous or Heterogenous) 1) the copper in a copper wire 2) …
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WebDec 27, 2007 · Brass is a homogeneous mixture because it is an alloy consisting of copper and zinc. Alloys are made from combinations of different metals. Homogeneous mixtures are uniform in their... WebMixture: air, tea, steel, olive oil Classify each substance as either a mixture or a pure substance. Pure substance: Cooper, helium, carbon dioxide Classify each of the substances as a mixture, a compound, or an element. mixture: bronze, coffee, vinegar Classify each of the substances as a mixture, a compound, or an element.
WebA pure substance may either be an element or a compound. b. All of the above statements are true. c. Mixtures may be composed of two or more elements, two or more compounds, or a combination of both. d. Matter may be a pure substance or it may be a mixture. e. A mixture may be either homogeneous or heterogeneous. All are true WebA compound is a substance which comprises of atoms or ions of more than two different elements. These elements are bound in definite proportion to form a compound. Brass is not a compound whereas washing soda, quick lime and marble are all compounds. Brass is an alloy of copper and zinc. Hydrogen gas (H2) is a molecule, but not a compound ...
WebDecide whether a substance is chemically pure. If it is pure, the substance is either an element or a compound. If a substance can be separated into its elements, it is a … WebBrass is an example of a mixture of two elements: copper and zinc. It can contain as little as 10%, or as much as 45%, zinc. Another difference between compounds and …
WebBrass is an example of a mixture of two elements: copper and zinc. It can contain as little as 10%, or as much as 45%, zinc. Another difference between compounds and mixtures of elements is the ease with which the elements can be separated. Mixtures, such as the atmosphere, contain two or more substances that are relatively easy to separate.
WebA mixture is composed of one or more pure substances in varying composition. There are two types of mixtures: heterogeneous and homogeneous. Heterogeneous mixtures have visually distinguishable components, while homogeneous mixtures appear uniform throughout. The most common type of homogenous mixture is a solution, which can be … kids running shoes asicskids r us daycare hilliard ohioWebBrass (Element, compound, homogeneous mixture, or heterogeneous mixture) Homogeneous mixture Ethanol (Element, compound, homogeneous mixture, or heterogeneous mixture) Compound Concrete (Element, compound, homogeneous mixture, or heterogeneous mixture) Heterogeneous mixture kids r us daycare dcWebCompounds. 2 or more atoms chemically combined, Can be broken down chemically, 2 or more different elements combined, specific formula (H20, NaC1, C2, H22O2), all … kids rushing to busWebIs this an element, compound, or mixture: Brass Mixture Is this an element, compound, or mixture: Vinegar Compound Is this an element, compound, or mixture: Carbon dioxide Compound Is this an element, compound, or mixture: Calcium carbonate Compound Is this an element, compound, or mixture: Table salt Compound kids r us of choctawWebelement, pure substance, homogeneous. brass. alloy, mixture (Cu, Zn), homogeneous solution. table salt. compound, pure substance, homogeneous. sugar in water. mixture, … kids r us of tecumsehWebJun 12, 2012 · Brass is an alloy made primarily of copper and zinc. The proportions of the copper and zinc are varied to yield many different kinds of brass. Basic modern brass is … kids r us scottsbluff ne