Which of the following is a covalent compound?
A) H202
B) Nas
C) CuCl2
D) CaO

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.

Stage in which a star’s outer layers have started to cool and grow outward?

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