What is freezing point depression?Question:What is freezing point depression?Freezing Point:Freezing point is the temperature at which a certain liquid will freeze into solid. For example, the freezing point of water is 0 degrees celsius, so at 0 degrees liquid water turns into ice.Answer...
What is the equation for freezing point depression?Question:What is the equation for freezing point depression?Colligative Properties:The properties of solution which are found to be dependent only on the number of solute particles and are independent of their nature or chemical identity are known as...
However, the presence of impurities can cause these points to differ due to melting point depression or freezing point depression. 15 In practice, the determination of melting and freezing points is used to assess purity and to understand the thermal properties of materials. The melting point ...
Freezing point depression has interesting and useful applications. When salt is put on an icy road, the salt mixes with a small amount of liquid water toprevent melting ice from re-freezing. If you mix salt and ice in a bowl or bag, the same process makes the ice colder, which means i...
)以及第二句 “Insteaditmakes waterlesslikelytofreezeina phenomenon called freezing point depression.” (相反,它使水更不容易冻结,这种现象被称为冰点降低。 ) 可知,第二段第一句的目的是揭示一个错误认知,纠正盐直接使雪和冰融化的错误想法。故选D项。 【29题详解】 细节理解题。根据第二段 “Normally, ...
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Find the freezing point of the solution . (Given:Kb=0.52Kkgmol−1,Kf=1.86Kkgmol−1) View Solution The freezing poing of an aqueous solution of a non-electrolyte is −0.14∘C. The molarity of this solution is [Kf(H2O)=1.86kgmol−1]: View Solution An aqueous solution of...
Freezing Point Depression Every substance has a specific freezing point, or the point that it will change from a liquid into a solid. For water, this freezing point is 32oF. Bu, if we add in solutes, then its freezing point will decrease. This is why we salt roads in winter: the resu...
What is the freezing point (in degrees Celcius) of 4.53kg of water if it contains 245.2g of CaBr2 ? The freezing point depression constant for water is 1.86°Cm and the molar mass of CaBr2 is 199.89gmol.Try...
What is the relationship between depression in freezing point of a sol... 05:03 What is condition of reverse osmosis? 03:15 Name the properties which depend only on the solute particles. 01:50 Under what condition van'i Hoff factor i is less than one. 02:47 Find the value of van't...