Calculate the change in temperature resulting from adding 31.3 kJ of heat to a 450 g block of aluminum. The specific heat of
aluminum is 0.90 J/gºC.

What is the number of atoms in 3.54 mol s

What are the first three quantum numbers for the electrons located in subshell 2s?

What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate