Use the equation 2cu+o2--> 2cuo, to find how many grams of copper react to produce 2.44 mol cuo.

The amount of copper reacted will be 154.94 g.

Explanation:

For the given chemical reaction:

By Stoichiometry of the reaction:

2 moles of copper oxide will be formed by 2 moles of copper metal.

So, 2.44 moles of copper oxide will be formed from of copper.

Now, to calculate the mass of copper, we use the equation:

Number of moles of copper = 2.44 moles

Molar mass of copper = 63.5 g/mol

Putting values in above equation, we get:

Hence, the amount of copper reacted will be 154.94 g.

we can conclude that the melting point of table salt is above room temperature (it's actually 801 deg c). the melting point of mercury must be below room temperature (- 39 deg c).