What is the formula for Ba and CO3?

2.5 pounds equals how many ounces? What type of front forms a tornado? What are the difference between regional metamorphosm and contact metamorphism? Why does Blizzard make games? When was the first mechanical fan made? Animals in phylum rotifera are named for? What two features of pollen grains make it suitable for being brushed off on insects or blown by wild currents? Do Resistors have no polarity restrictions? How many people lost power during Hurricane Sandy? What temperature does a phase change begin? How much a notebook weigh in grams? When is a winter storm considered a blizzard? What are the common names of corydalis? What are several factors people consider when choosing a place to settle? What is a petiolated leaf? Which atom should be balanced last when balancing hydrocarbon combustion reactions? What does the term complementary base mean? Do the places near equator have longer days than those places further away from the equator? What are some simple ways to conserve energy in our daily lives? Why would the crystal in an intrusive igneous rock be be larger than the crystals in a chemical sedimentary rock?