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Because it is the most poisonous substance known plutonium can no longer be usedas a source of?
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Poisonous element once used to treat medical conditions?
There are many poisonous elements once used to treat medical conditions that are no longer used. One substance is mercury.
When a person develops a tolerance to a substance he or she no longer needs an increasing amount of the substance?
yes
Is mixing lye and hydrochloric acid a physical or chemical change?
it is a chemical change because it is no longer hydrochloric acid but a substance that has a different "ingredient" than it
What happens when a pure substance undergoes a chemical change?
when a pure substance undergoes a chemical change it is no longer that same substance. A chemical change changes the identity of the substance. Hope i helped
Why is it that ice melts faster in water than in soda?
because the sugar in the soda will make it last longer by making a barrier and in water it is the same substance so it will absorb all of the coldness in the water
Why is Mercury no longer used in most thermometers?
Mercury is a very poisonous substance.
What happened to the part of the plutonium that is no longer ther?
This plutonium become radioactive wastes.
Why is lead is no longer used in the manufacure of food containers?
Because lead is poisonous.
Poisonous element once used to treat medical conditions?
There are many poisonous elements once used to treat medical conditions that are no longer used. One substance is mercury.
Plutonium can no longer be used as a source of what energy?
Plutonium is used and also will be used in the future as fuel for nuclear power reactors.
Why is Pluto water laxative no longer available?
Because it contained lithium which became a controlled substance?
What will be the nature of change on an atom when it loses an electron or when it gains an electron?
This changes its chemical and physical properties. EX: Chlorine as a pure substance is a greenish-yellow gas which is poisonous. Sodium as a pure substance is a highly reactive metal. Sodium ions (loss of electron by sodium) and chloride ions (gain of electrons by chlorine) form salt which is no longer poisonous, table salt is used for seasoning.
When a person develops a tolerance to a substance he or she no longer needs an increasing amount of the substance?
yes
Increasing the amount of solid have on the shape of heating and cooling curve?
it would have a longer plateo area because there would be more of the substance
Why is heating water to 200ml an example of a physical change?
because it alters the form of the substance and does not change to a different substance.... for example breaking glass is a physical change because you can still tell its glass but burning sugar tuns it into caramel which is a chemical change because it is no longer sugar
What would changing the subscripts do to the formula?
The formula would no longer represent the same substance. CO is carbon monoxide a poisonous gas. CO2 is carbon dioxide, a nonpoisonous gas. H2O is water -- you can drink it H2O2 is hydrogen peroxide. Don't drink it.
Why is rust forming on a nail not a pysical change?
It is not a physical change because rust is no longer iron, but is iron oxide, a completely different substance.
