Which could be sources of error in the lab? check all that apply. measurement of volumes when making the serial dilutions approximating the ph based on matching colors between ph papers miscalculation of ph values using the reference tables not boiling the cabbage long enough or hot enough to make the indicator solution using distilled water to make your dilutions instead of sea water

Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy

In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?

Essay-alternative energy sources research sources of energy that are being developed. write a report of 350-400 words discussing the information you learned concerning the development of various energy sources and the impact that you think they will have on your life. include sources cited at the end of your report using the mla format. follow the rubric guidelines. note that wikipedia is not an appropriate resource for a research paper. worth 99