Write balanced equations for the formation of the following compounds from their elements. (c) Uranium hexafluoride (a solid at 25 °C)

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Step 1: Identify the elements that make up the compound. Uranium hexafluoride is composed of uranium (U) and fluorine (F).

Step 2: Write the unbalanced equation. Uranium and fluorine are both diatomic in their elemental form, so the unbalanced equation is U + F2 -> UF6.

Step 3: Balance the equation. The compound has 6 fluorine atoms, so we need to balance the equation by adding a coefficient of 3 to the fluorine on the left side of the equation. The balanced equation is U + 3F2 -> UF6.

Step 4: Check your work. The number of atoms of each element should be the same on both sides of the equation. In this case, there is 1 uranium atom and 6 fluorine atoms on both sides, so the equation is balanced.

Step 5: Write the state of each substance at 25 °C. Uranium is a solid (s), fluorine is a gas (g), and uranium hexafluoride is a solid (s). So, the final balanced equation is U(s) + 3F2(g) -> UF6(s).

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