10. a) What conditions cause the unusual Catatumbo lightning in Venezuela?
ga from the swamps and

fields accumulate in the
atmosphere. The
gas is lighter than air and rises into the

State two physical properties of ionic compound

How many molecules are found in 1.32 mol of nacl?

Let the ed50 of a recreational drug be defined as the amount required for 50% of a test group to feel high or get a buzz. if the ed50 value of ethanol is 470 mg/kg body mass, what dose would a 70 kg party goer need to quickly consume in order to have a 50% chance of getting a buzz? 235 mg 470 mg 32,900 mg 35,000,000 mg