Freezing point depression is one of thecolligative properties of matter, which means it is affected by the number of particles, not the chemical identity of the particles or their mass. When a solute is added to a solvent, its freezing point is lowered from the original value of the pure s...
How will you find the molar mass of solutes using freezing point depression. View Solution Why is freezing point depressed when a non-volatile solute is added to a solvent ? View Solution Exams IIT JEE NEET UP Board Bihar Board CBSE
Instead it makes water less likely to freeze in a phenomenon called freezing point depression.(第二段第一、 (河) 译文:盐不会直接使冰融化,也不会让雪消失,而会使水在一 种称为“冰点降低”的现象中更不容易结冰 【解析】该题问的是第二段第一句的目的是什么。 根据定位句 可知,后一句是对前一句...
Freezing Point Depression in Everyday Life 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 pr...
The freezing point of a substance is the temperature at which it changes from a liquid state to a solid-state. Upon addition of a small amount of a non-volatile solute ( say NaCl) the freezing point of the solution changes and it is lower than the freezing poi...
We don't want the depression. We don't want the grief, right? We've kind of created this dichotomy, right? This binary this or that. These are good emotions. These are bad emotions. Run away from the bad emotions. Run towards the good emotions. And reading your work, it really ...
Because atmospheric pressure is relatively constant, the pressure in the lungs must change to create airflow between the lungs and the outside environment. During inhalation (inspiration), the diaphragm and supporting muscles (intercostal muscles) contract, which results in an expansion of the thoracic...
It should be about a foot long and come to a point on one end. Lay the board flat on the ground and insert the plow into the groove. Rub the plow back and forth with moderate pressure to create small bits of wood dust. Once you have a moderate amount of dust, raise the top end...
The second question is easier to answer: a lot. Salt doesn’t directly melt ice, nor does it make snow simply disappear. Instead it makes water less likely to freeze in a phenomenon called freezing point depress...
Questions 9 to 11 are based on the passage you have just heard. 9. A) The rate of their growth increased dramatically. B) The growth of their new brain cells doubled. C) They began to show signs of depression. D) They began to get irritated and restless. 10. A) To avoid...