An engine cylinder compresses an air/fuel mixture from 250. mL to 24.2 mL. Given an initial pressure of 745.8 mm Hg, what is the new pressure

Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.

Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by

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