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英国论文代写格罗斯特郡大学 :pH值

英国论文代写格罗斯特郡大学



英国论文代写格罗斯特郡大学 :pH值


pH值用于测量化学物质的酸性或碱性。酸性和碱性是两种形式的化学性质,极端。中性物质既不是酸性物质也不是碱性物质。酸性和碱性物质会相互抵消。用于测量的pH值范围为0至14。这里14的pH固定为中性。物质的pH值略高于7将被称为碱性,当pH值低于7时,它被称为碱性。以10X的值读出pH标度。因此,考虑到pH值为4,可以说与另一种pH为5的物质相比,它的酸性会高10倍。如果要将相同的物质与另一种pH值为6的物质进行比较那么它会有大约100倍或10倍的酸性质。纯水是一种被认为是中性的物质,但是当水与酸性或碱性物质混合时,可以改变pH值,根据与水的混合物,它可以产生酸性或碱性的溶液。本身。柠檬汁是酸性物质的简单例子;另一方面,洗衣洗涤剂是碱性物质。非常碱性和非常酸性的物质通常是非常活泼的。电池酸是酸性的,强大的工业强度清洁剂通常是碱性的(EPA,2012)。



英国论文代写格罗斯特郡大学 :pH值


The pH scale is used to measure how acidic or basic a chemical is. Acidic and basic nature is two forms of chemical natures, at their extremes. Neutral substances are that which are neither acidic nor basic. Acidic and basic substances will cancel out each other. The pH scale that is used to measure for this has a range of zero to fourteen. Here the pH of 14 is fixed to be neutral. A pH value for a substance that is slightly higher than 7 would be called as basic and when the pH value is lower than 7 then it is called basic. The pH scale is read out in terms of value of 10X. So considering that a pH value of 4 then it can be said that it would be 10 times more acidic when compared to another substance that has a pH of 5. If the same substance was to be compared to another substance with a pH value of 6, then it would have around 100 times or 10 times 10 more acidic natures. Pure water is a substance that is considered to be neutral, however the pH can be changed when the water is mixed with that of acidic or basic substances, based on what it is mixed with it can render a solution that is either acidic or basic in itself. Lemon juice is a simple example of an acidic substance; on the other hand laundry detergents are basic substances. Very basic and very acidic substances are usually very reactive. Battery acids are acidic and strong industrial strength cleaners are often basic (EPA, 2012). 




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