Answer:
True
Explanation:
Any substance dissolving a solid (salt) in liquid (water) is a physical change.
Salt in water, is a physical change because only the state of the matter has changed.
The Relative Formula Mass of carbon dioxide is 44. This may also be called the Relative Molecular Mass (RMM), since carbon dioxide is a molecule.
Answer:
(373K − 273.15) × 9/5 + 32 = 211.73°F
Answer:A metal can only displace another metal from a compound if it is located above it in the reactivity series. A displacement reaction happens when a more reactive metal (one that forms positive ions more easily) displaces a less reactive metal from a compound.
Explanation: