Limestone(CaCo3.2H2O)
no
An energy-releasing reaction is more likely to start spontaneously. You have to have enough energy to overcome the activation energy barrier (that is to start breaking some bonds). - See more at: http://www.chacha.com/question/what-makes-proteins-the-ideal-types-of-compounds-to-act-as-enzymes#sthash.WWgf8a0I.dpuf
No, heat makes the particles move faster. If you remove the heat the particles will start moving slower as it cools down.
No. To start with, air is not a pure substance, and mixiong it with something else just makes it worse.
Fires do not typically start spontaneously. They usually require a heat source, fuel, and oxygen to ignite. However, in rare cases, spontaneous combustion can occur in materials that generate heat through chemical processes, like piles of oily rags or compost.
A substance that lowers the energy needed to start a chemical reaction is a catalyst.
when you start bothering it and same answer i gave to the other question "what makes a brown hawk attack?" look it up on this website.
A man who makes Barrels is called a Cooper and does not Start with G. There is no other word for it.
a baby start breathing when the soul come in his or her body .
The reactants
ignorance. some parents were raised by violent adults and will be violent parents if they had no other examples or information on how to parent. mental illness or substance use might also cause abusive behavior where there was none before.
If they are properly trained, they don't. If they aren't, the same age that they abuse any other substance/object