Be sure to answer all parts. Which of the following species are Lewis acids? I− H+ H2O SO2 BCl3 NH3 OH− CO2 Which of the following species are Lewis bases? NH3 H+ SO2 BCl3 I− OH− H2O CO2

After cloud droplets form, what must happen to them for precipitation to occur?

Both josef loschmidt and amedeo avogadro contributed to our understanding of basic molecular numbers, sizes, and reaction ratios. neither scientist discovered “avogadro’s number” in the form we use it today (6.02 x 10 23). still, there’s a controversy over the name. research the contributions from these two scientists and read about how avogadro’s number got its name. briefly state what you think this number should be called, providing key details of each scientist’s contributions to this concept and a solid rationale for your case in naming the number.

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