The burning of magnesium is a highly exothermic reaction. How many kilojoules of heat are released when 0.75 mol of Mg burn in an excess of O2? 2Mg(s) + O2(g) → 2MgO(s) + 1204 kJ

Imagine that you’re getting ready to move to a new city. when people move, they are influenced by push factors and pull factors, and you have many reasons for your move. which of the following factors is an example of a pull factor? a. wanting to move because you’ve found a great new school somewhere new b. needing to move because there are not enough resources in your old hometown c. being forced to move because your old home is gone d. having to move because there are no jobs in your current hometown

At a temperature of 393 k, the temperature of a sample of nitrogen is 1.07 atm what will the pressure be at a temperature of 478 k

Why is carbon ideal for making different compounds?