Copper does not react with water or steam because it is very low on the reactivity scale. It actually does react with water and steam but it takes a...Become a member and unlock all Study Answers Try it risk-free for 30 days Try it risk-free Ask a question Our experts can answer...
However, aluminium has a protective oxide layer, so it reacts slowly with acids to begin with. Does AG dissolve in HCl? Silver, for example, will dissolve in hydrochloric acid, or HCl, to form silver chloride, or AgCl. Silver chloride, however, is insoluble in water, which means a ...
Silver turns black when kept in the airbecause it reacts with sulphur compounds such as hydrogen sulphide (H2S) present in air. ... The black substance formed is silver sulphide. This is a common issue with Silver, even British hallmarked 925 solid Silver can tarnish, it's not a fault, ...
aOne possibility is that a small rise could do the trick, as financial markets in a bubble might react should to any change in interest rates. 一种可能性是小上升可能使用窍门,因为金融市场在泡影也许起反应应该对在利率上的所有变化。[translate] ...
Can you please explain why carbonates affect the precipitate formed in a precipitation reaction with KCl and silver nitrate? When a hot air balloon is being heated, what makes the balloon rise? Why does a mineral change color under UV light?
The sulfuric acid removes the alcohol from the air into a liquid solution. The alcohol reacts with potassium dichromate to produce: chromium sulfate potassium sulfate acetic acid water The silver nitrate is a catalyst, a substance that makes a reaction go faster without participating in it. The ...
The plane did not slow down as it made contact with the tower. How can the plane fly at the same speed through the steel/concrete face of the tower as it did through the air? This is impossible.WHAT WOULD HAVE HAPPENEDTERMINAL BALLISTICSIf the plane were made of tungsten or something, ...
Powder coating materials can be broken down into two main categories: thermosets and thermoplastics. Thermosetting primers incorporate a cross-linker that reacts with other chemical groups upon being baked, improving the final performance properties. Thermoplastic primers are not subject to additional act...
甲公司为增值税一般纳税人，通过竞标方式获得一个为某客户提供3年服务的合同，为取得该服务合同，甲公司支付外部律师尽职调查费5万元，为投标发生的差旅费2.8万元，销售人员佣金6万元，预计这些支出未来均能够收回。该公司根据年度业绩，向销售部门经理支付年度奖金1.5万元，不考虑其他因素，下列各项中，该项目的合同...
Sunscreens for the face are often a lighter consistency with a matte finish, so they can be worn under makeup, like Cetaphil Sheer Mineral Sunscreen Face Liquid Broad-Spectrum SPF 50*. How long does sunscreen last on your skin? You may think that the higher the SPF, the longer you can ...