Answer:
this is answers to the second picture
Explanation:
1- energy
2- structure
3- reaction
4- substance
5- reactants
6- products
7- changed
8- At first there is no reaction because of the protective oxide coating on the aluminum. But soon an exothermic reaction between bromine and aluminum causes brown fumes of bromine to be given off. But as a new substance, aluminum bromide is produced. White smoke is produced.
9- heated to 120 degrees Celsius it melts and first forms a pale-yellow liquid.
In this form the atoms are covalently bonded, and the liquid can flow easily. However, heated up beyond 150 degrees Celsius, the result is a dark red
10- When a chemical change occurs it is more difficult to revert the substance back to its original state. (To be honest I don't know)
Answer:
Calories
Explanation:
they cheeto substance is compared in various ways but our body consoles it by its calories which is a unit of energy as it give us the energy to keep our body warm
If you were to engineer an everyday solution for conserving water which activity do you think would be the most impactful ?
Hope you could understand.
If you have any query, feel free to ask.
