The answer is (3). The powdered iron and the piece iron is the same substance and is just different in the shape. So the reason is the power has larger surface area for reaction occurs.
the answer is
how i did it is you already know that there is 5.00 oC so we keep that then u would want to do 37.0 / 4.18 that is 8.85 then you would do 8.85 / 5.00 you wil l get 1.77 / 3500g = 3498.23 is how i got the answer... if it is wrong i a sorry... i am just tryinf to help.
Answer:
As a substance changes from a solid to a liquid to a gas, its molecules first the molecules are moving fast enough, they are able to "escape." They leave the surface of the liquid as gas molecules. Evaporation is not the only process that can change a substance from a liquid to a gas. The same change can occur through boiling.
Explanation:
hopfully this helps!
Answer:
B. a type of carbohydrate
Explanation:
Sugar is a type of carbohydrate.
Hope it helped brainiest plz
Answer:
Condensation
Explanation:
Thermal energy is released in this process
