Answer:
1. conduction 5. heat from the air is absorbed by ice cubes is conduction 6. a hot horseshoe transfers heat to the tongs is conduction. 8. a bowl of oatmeal cools is convection 9. water is warmed over a fire is convection/radiation 10. a spoon gets warmer after sitting in a bowl of soup is conduction.
Explanation:
the last two i don't know sorry but i give u the answers to the others:)
The speed should be 48 mph, because 7200 divided by 150 is 48
Answer:
open system
Explanation:
An open system is a system in which both energy and matter are exchanged with the surroundings.
I think the mass the mass was less than the original because a gas was released into the atmosphere. The mass in a chemical reaction is constant in a closed system according to conservation of mass law. However, if a chemical reaction is completed in an open system, mas changes may occur. In our case i think the change in mass was due to the release of hydrogen gas from the reaction to the atmosphere.
Answer:
Scientific Law
Explanation: Earth will ALWAYS attract objects to the center of itself because of gravity. This will never be disproven.
