Manganese dioxide (MnO2 (s), Hf = - 520.0 kJ) reacts with aluminum to form aluminum oxide (AI2O3 (s), Hf = - 1699.8 kJ/mol) and manganese according to the equation below.

What is the enthalpy of the reaction?

How do you know if a substance can undergo a chemical change?

Chemical formula of ethanoic acid

insert the missing coefficients in the following partially balanced chemical equations S+6HNO=HSO4+NO+H2O

The number of molecules in 1 mole of NaCl?

MgO + 2 LiCl → MgCl2 + Li2O Are all the elements balanced?

What is the Lewis structures for Ca (OH) 2

Compare and contrast homogeneous and heterogeneous mixtures using key terminology, and provide at least three examples of each. For example, explain what the mixture is comprised of and what makes it homogeneous or heterogeneous.

Which element would most likely have chemical properties similar to that of fluorine (F) ?

Percentage compostion of carbon in CaCO3

Potassium iodide (ki) exhibits predominantly ionic bonding. the k and i ions have electron structures that are identical to which two inert gases?