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Q: Is bag of m and ms pure substance or mixture?
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What is the ability of a substance to combine chemically with another substance called?

The ability to combine chemically through the formation of chemical bonds with another substance is a chemical property.


If you have a saturated solution say of salt and water is it possible to add another substance ti it like water?

Wow you're in Ms. Khanna's class lol


Half life of M and M's?

The half life of M&Ms is highly dependent on three things: the person eating them, the form in which they take--plain or peanut?--and the container size. Anyone asking about half-lives knows the term refers to the time it takes half the atoms in a sample of a radionucleotide to transform into something else. Normally the product they transform into is an inert metal like lead. (Lead is toxic. Uranium is worse.) In the case of M&Ms, they transform into chocolatey goodness in your tummy. For instance, the half-life of any pound bag of plain M&Ms that falls into my possession is an hour. If I work at it hard enough, I can kill a pound of M&Ms in about two hours unless I'm driving and then it's at least a day because I have to shift. If you give a young child a vending machine bag of them, their half-life is maybe five minutes because M&Ms are good and children have no self-control. But if you were to give a Fun Size bag of plain M&Ms to my wife its half-life would be measured in centuries because she doesn't like the plain ones.


Which will reduce swelling in tendons as an ingredient in a cool poultice Magnesium Sulphate Anhydrous or MS Hydrate or or MS Heptahydrate Is this proven How many grams per kg would be required?

The generally accepted method that a cool poultice works to reduce swelling by is through contraction of the blood vessels by exposure to the cold poultice. The mixture of the poultice only matters insofar as it reduces the freezing point of the mixture and therefore can be made colder without freezing it.


What is a LCMS Mass Spectrometer?

LC is liquid chromatograph, this uses a liquid mobile phase (reverse phase more common, employing a polar column such as water and MeOH/ACN) to elute analytes from a mixture through interaction with a stationary phase (non polar, C18 in reverse most common). Separation is based on polarity of the analytes. This is run into the MS, or as you have written MS-MS. MS fragments compounds and they fragment in patterns that can identify families such as aldehydes etc. The main info given is the molecular ion (or rather a mass to charge ratio). In MS-MS, You can get fragmentation of the daughter ions resultant of the molecular ion which can further elucidate what the compound is. MS is the gold standard of analytical detection