When this happens, the thiols attach to the ionic liquid and their bad scent is inactivated as theperfume had been. T his means the water insweat and its thiols are both able to release the fragrance from the newly developed perfume.【小题1】Which of the following makes the scent delivery...
When iron rusts, it is a chemical change. What happens during this process? A. The color remains the same. B. No chemical reaction occurs. C. A new substance is formed. D. The mass of iron decreases. 相关知识点: 试题来源: 解析 C。铁生锈是化学变化,在这个过程中会形成新物质。A ...
What happens when fossil fuels are burned?Fossil fuels are rich in carbon. When they are burned, a chemical reaction occurs that uses up the fuel and oxygen to create energy, water, and carbon dioxide. This reaction is known as combustion....
When is a chemical equation balanced? How does mass change during a chemical reaction? What must happen for a chemical reaction to occur? How do you determine the limiting reactant in a chemical reaction? How does a precipitate form in a chemical reaction? What happens to the reactants in...
What sort of reaction happens when a hydrogen-2 atom and a hydrogen-3 atom are converted to a helium-4 atom? a. fission b. fusion c. ionic d. chemical Nuclear Reaction: The reactions during which the collisions oc...
Chemical Reaction | Overview & Examples from Chapter 8 / Lesson 1 75K This lesson will cover what happens when a chemical reaction occurs, the types of chemical reactions, and how to know if a chemical reaction occurs. Related to this QuestionWhat...
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which took risks to keep production going during essential repairs. The Seveso accident shows what happens if the local authorities lack knowledge of the danger on their doorstep. When the poisonous gas drifted over the town, local leaders were incapable of taking effective action. The Pemex fire...
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