Which best describes the process of radiation?

a.

sunlight transfers energy to land, air, or water.

b.

reflections from the surface warm the atmosphere.

c.

warm air transfers heat energy to cold air.

d.

cold air transfers heat energy to warm air.

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.

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate