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But opting out of some of these cookies may affect your browsing experience. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. [14][15][16] In other words, the chemical substances of which fruits and vegetables, for example, are naturally composed even when growing wild are not called "chemicals" in general usage. Atomic numberis send a video file once and multiple users stream it? Created When oil and water are combined, they do not mix evenly, but instead form two separate layers. Which sphere is not directly studied in one of the main branches of Earth space science geology astronomy meteorology or oceanography A biosphere B exosphere C atmosphere D hydrosphere? March 30, 2016 4:16pm UTC, URL https://questions.llc/answers/1849071/paris-is-right-i-got-a-3-out-of-4-only-because-i-clicked-the-wrong-1-so-haters-shut-up, Created January 29, 2014 4:32pm UTC, URL Of course, the real answer may be a combination of both theories. October 31, 2019 3:33pm UTC, URL Molecules can contain one atom, two atoms, or more than two atoms. https://questions.llc/answers/2349046/try-to-find-the-h. You can ask a new question or browse existing questions. Why might two different chemical structures smell the same? I just don't know what. arrow right January 29, 2014 4:35pm UTC, URL https://questions.llc/answers/1516186/wolfart-is-amazingly-correct. Mixtures cannot be separated by physical means. September 16, 2020 10:14pm UTC, URL Which of the following is true about mixtures and compounds? A. A https://questions.llc/answers/2232769/dont-listen-to-them-they-lied-for-connexus. January 12, 2016 6:36pm UTC, URL Thanks for contributing an answer to Chemistry Stack Exchange! I took a risk and used her answers. September 17, 2020 1:30pm UTC, URL For example, when we bake a cake, its a result of a mixture of eggs, flour, sugar, and other ingredients. (Has multiple phases) Homogeneous Mixture Mixture in which the composition is uniform. The properties of compounds are generally very different than the properties of the elements from which the compound is formed. 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A phase is any part of a sample that has a uniform composition and properties. The key difference between mixtures and compounds is that a compound is a new substance that forms when other substances chemically combine. Mixtures are formed when two substances are combined physically. Heterogeneous Mixture Mixture in which the composition is not uniform. To everyone who is thanking @Wolfart Don't he put in the answers @Paris gave and said they were hisBecause @Paris said the same thing WAY before @Wolfart diddon't take credit, @Wolfart. Analytical cookies are used to understand how visitors interact with the website. A sample of any given pure element is . https://questions.llc/answers/2041032/thank-you-facts-this-goes-to-all-the-people-who-do-this-because-how-you-gonna-look-up, Also thank you @Paris and @Wolfart you guys are both 100% right so haters shut up, Created Pure substances that cannot be broken down into simpler substances by chemical changes are called elements. The last step in production should be the analysis of batch lots of chemicals in order to identify and quantify the percentages of impurities for the buyer of the chemicals. 4. (1 point), I have an assignment about deep sea diving and of course it involves some gas mixtures to be used. In chemistry, a mixture is a material made up of two or more different chemical substances which are not chemically bonded. Compounds are classified into molecular compounds, ionic compounds, intermetallic compounds and complexes. A homogeneous mixture has the same composition throughout. pure substance composed of two or more elements that are chemically combined in a specific mass ratio. Ya Paris was right I got 100% on my test thank you Paris!!! What are two substances put together but not chemically combined? - Vedantu https://questions.llc/answers/1449928/all-these-answers-are-correct-thank-you, Created Do molecules with carboxyl groups have properties of carboxyl's sub-functional-groups? Two or more elements combined into one substance through a chemical reaction, such as water, form a chemical compound. https://questions.llc/answers/1501755/mixtures-can-not-be-mixed-with-chemicals-so-1-is-d-you-are-correct, Created https://questions.llc/answers/1921450/cav-there-is-only-four-questions. Describing the quantitative relationships among substances as they participate in chemical reactions is known as reaction stoichiometry. September 20, 2020 8:22pm UTC, URL Making statements based on opinion; back them up with references or personal experience. If a substance contains two or more kinds of molecules, what - BYJU'S [1] [2] Chemical substances can be simple substances (substances consisting of a single chemical element ), [3] chemical compounds, or alloys . non-chemically combined. March 17, 2015 11:45pm UTC, URL What are the effects of rotation and revolution of the Earth and the effect of the tilt of Earth's axis? Table salt is a compound consisting of equal parts of the elements sodium and chlorine. A chemical change is a change that produces matter with a different composition. Elements cannot be broken down into simpler substances. What is a combination of different things that are not chemically bonded? If you have another school dont use Paris's answeres. October 11, 2017 9:41am UTC, URL (1 point) Mixtures consist of two or more substances chemically combined. (Has one phase) Filtration Acids and bases react with one another to form compounds called ______. Are the correct answers for connections students as of March of 2017 but IDK for the future. Which of the following describes a mixture? A mixture is composed of different types of atoms or molecules that are not chemically bonded. https://questions.llc/answers/1555428/1-d-2-b-3-a-4-c-are-the-correct-answers-for-connections-students-as-of-march-of-2017, Created Their interconversion requires either enzymatic or acid-base catalysis. Weve got your back. Multiple-choice 30 seconds 1 pt What is a mixture? Water is still a compound, but one which cannot be broken down into hydrogen and oxygen by heating. September 15, 2016 2:52pm UTC, URL yall stop just saying the letters its wrong because they swich the answers and all of these are wrong for conexus so stop enlitining yourselfs and stop lieing to evryone else! Would Flame test be useful for detecting metal ions present in a mixture of metal ions?? Solids, Liquids and Gases can be combined to create a mixture. In contrast, if iron and sulfur are heated together in a certain ratio (1 atom of iron for each atom of sulfur, or by weight, 56 grams (1 mol) of iron to 32 grams (1mol) of sulfur), a chemical reaction takes place and a new substance is formed, the compound iron(II) sulfide, with chemical formula FeS.