What is the only force that acts on a falling body when it is in free fall?

Look at the reaction below: ca(hco3)2 --> caco3 + co2 + h2o first, balance the reaction. once balanced, use dimensional analysis or another method to find out how many moles of carbon dioxide will be produced if we start with 16.5 moles of calcium bicarbonate (calcium hydrogen carbonate). = mol of co2 number needs to be reported to three significant figures.

If i add water to oil what will happen

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?