1. What are the normal freezing points and boiling points of the following solution? (a)21. 0g NnCl in 135mL. of water. (b)15. 4g of urea in 66. 7mL of water. 相关知识点: 试题来源: 解析 Solution (a) c(NaCl)=(21.0g/58.5g⋅mol^(-1))/(0.135L)=2.65gmol⋅L^(-1) ...
What is the meaning of boiling point in science? Define normal boiling point What are the boiling points of the homologous series of alkanes? What is the boiling point of isopropanol? (a) \text{Br}_2 \text{ and Cl}_2 can reach to form the compound \text{BrCl} . The boiling point ...
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What are the temperatures for boiling water on the Celsius and Fahrenheit scales? How do you calculate the difference in temperature b/t the freezing point of water and the normal boiling point of water on the celsius scale and on the the kelvin scale? What temperature has the same...
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Lentils either come dried and require boiling or they are ready-cooked. Precooked lentils can be eaten cold or heated up in the microwave. What are the benefits of eating lentils? As well as being a cheap kitchen staple that will easily liven up your weekly meals, lentils have numer...
Mixtures do not have fixed precise melting and boiling points (which elements and compounds do have), but instead mixtures melt / freeze and boil / condense over a range of temperatures according to the physical properties of the different constituents of the mixture. Because no chemical reaction...
To differentiate between minimum boiling azeotropes and maximum boiling azeotropes, we can summarize the differences as follows:1. Definition: - Minimum Boiling Azeotropes: These are mixtures that boil at a
the value is not a constant. So, the longer definition of water's boiling point can be explained as such: The boiling point of water depends on the atmospheric pressure, which changes according to elevation. Water