list the steps to properly start a bunsen burner using the following terms: spud, barrel, safety flame, luminous flame, and non luminous flame.

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

Calculate the number of moles of ethane in 100 grams

Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together