Well you have to mix chemicals which caused a chemical reaction. When you mix salt and ice the freezing point of liquid changes. the ice gets colder
Answer: 1.47
Explanation:
The combined gas equation when pressure is constant:
where,
=original number of moles of air in the balloon = ?
= number of moles of air in the heated balloon = ?
= initial volume of gas = 
= final volume of gas = 
= initial temperature of gas = 
= final temperature of gas = 
Now put all the given values in the above equation, we get the final pressure of gas.
Therefore, the ratio of the number of moles of air in the heated balloon to the original number of moles of air in the balloon is 1.47
Answer:
heterocyclic compound
Explanation: by the fact that some or all of the atoms in their molecules are joined in rings containing at least one atom of an element other than carbon
Answer:
The difference in ionic and covalent bonding is ionic bonds take the atoms from the other atom and covalent bonding shares the atoms it needs with another atom
