Explanation:
Na3PO4+ FeCl3 = 3NaCl + FePO4
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Answer:
Gravity is acting upon every object on the earth, and it is pulling everything towards its center. But everything does not collapse to its center because the surface on which the object stands provides the reaction force upward (away from the center) and balances the weight of the object.
A mixture is two or more substances that have been combined together but each substance is not changed chemically.
Examples of mixtures include:
1. Sea water. This is a mixture of water and various salts.
2. Gunpowder. This is a mixture of potassium nitrate, suilfur and carbon
3. Crude oil. This is a mixture of organic compounds, mainly hydrocarbons.
4. Ink. This is a mixture of colored dyes which can be separated using chromatography.
5. Dry air. Air is a mixture of nitrogen,oxygen, argon, carbon dioxide, neon and tiny traces of other gases.
Answer: 123,087.95 calories
Explanation: