Answer:
30 feet /second
Explanation:
60 feet/ 2 sec = 30 feet/sec
So calculate the H for the other two reactions a room temperature and combine the reactions to calculate the H of the decomposition of calcium carbonate using the Hess's Law
Answer:
The answer to your question is below
Explanation:
Physical properties are the properties in which there is no change in the nature of the substance but there is a change in the physical state.
Chemical properties are the properties in which the substance changes its nature. A new substance is formed.
A. Ice melts in the sun. Physical p.
B. Copper is a shiny metal. Physical p.
C. Paper can burn. Chemical p.
D. A silver knife can tarnish. Physical p.
E. A magnet removes iron particles from a mixture. Physical p.
It dissolves I think I know I am expert and. Ute