Find the domain of the function
f(x)=1/√(x²-4)​

What is the molar mass of potassium nitrate, kno3

Which description best characterization the motion of particles in a solid

Reacting masses1 calcium carbonate breaks down on heating to produce calcium oxide and carbondioxide gas. caco3 + cao + co2a student heats 15 g of calcium carbonate strongly in a crucible. relative atomic masses (a): ca = 40, c = 12, o = 16.calculate the mass of calcium oxide produced by this reaction.(5 marks)