A method for making a thin, self-supporting disc from a substance, such as hydrogen, which is a gas at room temperature said disc being eventually located in a vacuum. A metal member is provided which defines a hole having a diameter small enough that at a sufficiently low temperature a ...
CH3CH2NH2 is soluble in :- View Solution R SHARMA-AMINES-Follow -up Test 11 To prepare quaternary ammonium compounds we heat with a large excess ... 05:03 Which of the following is a gas at room temperature ? CH(3)NH(2) (ii... 01:39Exams...
阅读下列短文,从每题所给的 A、B、C和D四个选项中,选出最佳选项。ΑGas boilers, which are popular as a choice for heating our homes, are filled with problems. Lack of room-by-room control means you could be left cold and unhappy,meanwhile possibly polluting the environment with harmful gases...
a然后就会产生一种物质叫磷化氢,它是一种气体物质,燃点很低,在常温下与空气接触便会燃烧起来 Then can produce one material to call the phosphine, it is one kind of gas material, ignite very lowly, then can burn under the normal temperature with the air contact[translate]...
What is the only metal that is in liquid form when at room temperature? What is the only metal that is in liquid form at room temperature? Which of the following elements have the same physical state (solid, liquid, gas) at room temperature and pressure? a) lithium b) mercury c) hydro...
For three different materials at room temperature-one is a gas, one is a liquid and the other a solid. How do the average kinetic energy of the particles compare? A gas undergoes the process shown in the figure . If the gas's initial temperature is 880...
[translate] aNorthwest Territories and Yukon (not shown). It is estimated by [translate] a. Most [translate] a90 Tcf is in British Columbia. If only a fraction of this resource can [translate] awhich of these is liquid at room temperature 哪些是液体的在室温 [translate] ...
Self-hosting is the practice of hosting and managing applications on your own server(s) instead of consuming from SaaSS providers. This is a list of Free Software network services and web applications which can be hosted on your own server(s). Non-Free software is listed on the Non-Free ...
At room temperatureF2andCl2are gasesBr2is a liquid andI2is solid. This is because View Solution Which of the following is used to prepareCl2gas at room temperature from concentrated HCl? View Solution With which of the following compound conc. HCl will giveCl2gas at room temperature ?
formed in the flow channel, the gas stream flowing along the flow channel is directed to merge with the split gas stream, and said gas is contacted with the heating unit to raise the temperature to a prescribed temperature before contacting with a catalyst for decomposition of the nitrous ...