题目 Do you know why sugar ___ much faster in water than in oilA. dissolvesB. meltsC. spreadsD. swims 相关知识点: 试题来源: 解析A 题目询问糖为何在水中溶解比油快。 - **A. dissolves**:溶解,正确。糖在水中溶解是因水是极性溶剂,能与糖分子形成氢键,促使其分解。 - **B...
The OMNI station has a large dust bin that can hold months’ of debris, while washing the mop head with hot water can dissolve stubborn stains and remove odours. In addition, robot vacuums are equipped with sensors that send alerts to apps to notify users when it's time to replace ...
Why does sugar dissolve but not dissociate in water even though it is a polar molecule? Why is an acid catalyst used in the reaction between benzoic acid and methanol? Explain the buffer system used in buffered aspirin. For example, what is the chemical formula of the buffer that is used?
Describe why sugar will dissolve faster in hot tea than it will in cold tea. Be specific in your explanation. Why does chloroform, under some conditions, dissolve in a mixture of acidic acid and water? Why is water the best solute? Why are metals more reactive in acids? How would your ...
It is possible to water discount too much.If your solution contains too much lye and not enough water, the mixture can becomeextremelyhot and very, very dangerous. In addition, the lye may not have enough water to dissolve fully. In general, the absolute highest ratio of water to l...
Dental Emergencies Dental Disorders & Disease About Disclaimer About Me Comments Policy Advertising Privacy Policy Archives Ask a Question Search HomeDental CrownsSix Reasons Why Your Crown Fell Off Dental Crowns Six Reasons Why Your Crown Fell Off By Tom Draper Apr 4, 2011 126 19970...
Why does electroplating take place on the cathode and electrorefining take place on the anode? What is the role of iron in living things? What are the possible effects if too much or too little of it...
This parenting “white-flag” of empathy will miraculously dissolve the tension for both of you. d) If your child still does not comply for whatever reason, follow through by taking her hand (literally or figuratively). “You’re having a hard time coming upstairs to brush your teeth, so ...
All things that are One are defined by quantum uncertainty (i.e. speed and location cannot both be known, by anything, not even by an omniscient being, because simultaneous knowledge of speed and location is like dry water, or a square circle: it does not exist; it is not real). This...
hypothalamus. The hypothalamus is embedded deep inside the brain. It does several things, but one of the hypothalamus’ most important functions is controlling your body temperature. When you’re too cold, it’s the hypothalamus that tells your muscles to shiver. And when you’re too hot?