For the first question, i think the correct answer is the third option. When a gas is formed, it is <span>the most conclusive in determining whether a chemical reaction has taken place given that none of your reactants is a gas.
For the second question, the statement is true.
For the third question, the correct answer is the last option.</span>
Answer:
Enery transformation is when a forn of energy changes into another.
Explanation:
An example of this would be a lamp. The lamp gets its energy through electricity. This electricity is later turned into light energy. Electrical energy to light evegy.
nabr + cacl2 are the products
The correct answer would be D.
Heat transferred from her hand to the water by conduction.
Hope this helps,
Davinia. (:
Answer:
Conduction:
Heat is thermal energy, and in solids it can be transferred by conduction. Heat is passed along from the hotter end of an object to the cold end by the particles in the solid vibrating.
. Convection:
Fluids, that is both gases and liquids, can transfer heat energy by convection.
Radiation:
Radiation is different to the other two processes as it doesn't require particles in its transfer of energy.
