a compound contain 85.7% carbon and 14.3% hydrogen and has a mola mass of 98.0 g/mol. what is the ( I ) molecular formula? ii empirical formula

2points what is the job of a scientist? a. to answer ethical questions. b. to write laws based on his or her knowledge. c. to ask and answer scientific questions. d. to ignore facts that do not support his or her theory.

The melting point of sulfur is 115 °c and its boiling point is 445 °c. what state would sulfur be in at 200 °c?

What is the name of the enzyme that forms at the start of transcription?