Answer:
(Co,Fe)As2
Explanation:
The formula of the mineral safflorite, a compound made of cobalt, iron, and arsenic is (Co,Fe)As2. This itself is the imperical formula, it cannot be divided any further
The density of water is a physical property.
You can measure it without changing the water to a different substance.
It is <em>not a physical change</em> because the water does not change to ice or steam.
You can observe a <em>chemical property</em> or a <em>chemical change</em> only if the water <em>changes to a different substance</em>.
Answer:
Bathtub
Explanation:
Even though the water in a filled bathtub may be at the same temperature as water in a glass, the water in the bathtub has more thermal energy because it contains a greater number of water molecules.