“Whenthishappens, thewaterdoesnotappeartobeboilingbutjust a slightdisturbancetothesurfacewhichcanoccurwhentouchingorpickingupthecup, cancauseeruptionofboilingwater(当这种情况发生时,水似乎没有沸腾,但只是表面轻微的干扰,当触摸或拿起杯子时,
When this happens, the water does not appear to be boiling, but just a slight disturbance to the water, which can occur when touching or picking up the cup, can cause an eruption of boiling water. This can lead to skin burns.32. What does the second paragraph mainly talk about? A. H...
How does the entropy of a system change for the following process: A vapor condenses to a liquid. Compare the entropy change when vapor forms over pure solvent and over a solution at their boiling points. What would be the effect of either increasing or decreasing the pressure over a liquid...
The halogens include, fluorine, chlorine, bromine, iodine and astatine. At room temperature, the lighter halogens are gases, bromine is a liquid and the heavier halogens are solids, reflecting the range of boiling points found in the group. The boiling p
Liquids having less boiling points have high vapor pressure, so does that mean increasing altitude vapor increases as boiling point decreases with height? Boiling and freezing occur when water is subjected to: (a) decreased temperatures. (b) ...
Be ready for the next time when a friend begins to share some of her complaints. Perhaps interject something like: “I know that Joe isn’t perfect, but what is something that he does really well?” A true friend will support your marriage and help pull you out of the pit of self-...
Most electric kettles should include an easy on-off controller, but some have added features such as giving you the capability to adjust the boiling water temperature so you are able to create perfect spicy tea, not merely the typical beverage that is hot. For example, if you’re creating ...
Why does rice get slimy? When rice is shipped, grains jostle around and rub against one another; some of the outer starch scratches off. When the now starch-coated rice hits the boiling water,the starch blooms and gets sticky. How do you store a big bag of rice?
Conventional water treatments such as boiling and chlorination can be effective but may prove costly for impoverished communities. Solar water disinfection (SODIS) has been shown to be a cheap and effective way for communities to treat their water. The exposure to sunlight is typically carried out ...
Explain what distillation is and describe the phase changes that occur during the process. What are the attractive forces that must be overcome to boil water? Describe what it is about water molecules that give them their emergent properties. How does salt affect the boiling point of water...