Chemistry, 24.04.2020 18:41 dman09082000
When carbon dioxide is added to calcium hydroxide (lime water) a cloudy substance, chalk, is produced and eventually settles to the bottom. What indicates that a chemical change has occurred?
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Two atoms interact with each other as shown by the equation. complete the equation by filling in the missing parts. 1 2 3 4 5 h he li
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Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?
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Chemistry, 22.06.2019 18:00
How many moles of oxygen gas are produced from the decomposition of six moles of potassium
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When carbon dioxide is added to calcium hydroxide (lime water) a cloudy substance, chalk, is produce...
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