1) Nuclear reactions involve a change in an atom's nucleus, usually producing a different element. Chemical reactions, on the other hand, involve only a rearrangement of electrons and do not involve changes in the nuclei. ... (3) Rates of chemical reactions are influenced by temperature and catalysts.
Answer:
The correct answer is option e.
Explanation:
Moles of phosphorus pent-oxide :
According to reaction, 1 mole of phosphorus pent-oxide is obtained from 5 moles of oxygen gas.
Then 0.05 mole of phosphorus pent-oxide will be obtained from:
Hence,the correct answer is option e.
Answer:
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3. Conducts electricity in aqueous solution.
The answer to this question would be D. Hydrophilic.
The word hydrophilic mean attracted by water. That means the molecule has a force to attract water molecule, thus be able to dissolve in water. The polarity of the molecule would determine whether a molecule hydrophilic or not.
Its opposite would be hydrophobic which the molecule can't dissolve in water. One example of this would be oil or fat. That is why sometimes it is called lipophilic too.
