Use the following thermochemical equation to calculate the amount of heat released (in kJ) during the decomposition of 3.5 mol H2O2.
2H2O2() --> 2H20 (1) + O2 (g)
AH = -196.4 kJ

kJ

Express the following number in scientific notation. 0.026890 =

An atom of lithium (li) and an atom of chlorine (cl) engage in a chemical reaction. which correctly describes the structure of the resulting chemical compound? hint: consider the class of each element. the chemical compound will have a network structure. the chemical compound will have triple bonds. the chemical compound will have a ball-and-stick structure. the chemical compound will have double bonds.

Define a is a tiny pavket of energy