105.0g of barium iodide to moles

As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit

The term gas is limited to those substances that exist in the gaseous state at

Why is any chemical reaction always balanced? give reasons and explain the easiest way to solve the balancing problems in chemical equations with stoichiometric coefficients upto 20 as hit and trial doesn't always work. give full reasoning