The upward force that acts on a birds wings due to its flight is called a. density b. atmosphere c. pressure d. lift

You are performing an experiment in a lab to attempt a new method of producing pure elements from compounds. the only problem is that you do not know what element will form. by your previous calculations you know that you will have 6.3 moles of product. when it is complete, you weigh it and determine you have 604.4 grams. what element have you produced?

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o

Draw the lewis structure for the trisulfur s3 molecule. be sure to include all resonance structures that satisfy the octet rule.