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Chemistry, 21.06.2019 12:30
A__ is two or more substances that are together in the same place but are not chemically combined
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Chemistry, 21.06.2019 17:50
Which statement is a reason to support population regulation? a) it is unethical for us to control birth control rates b) humans have the freedom to produce as many children as desired c) the gap between the rich and poor has been narrowing since 1960 d) billions more people on the earth will intensify many environmental and social problems
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Chemistry, 21.06.2019 20:30
Pbco3 β> pbo+ co2. how many liters of carbon dioxide gas is produced from the decomposition of 32 grams of lead (ll) carbonate?
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Chemistry, 22.06.2019 05:30
According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc
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What parts of the atom interact and bond...
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