A2.144-g sample of phosgene, a compound used as a chemical warfare agent during world war i, contains 0.260 g of carbon, 0.347 g of oxygen, and 1.537 g of chlorine. what is the empirical formula of this substance?

Apush or pull that moves or changes and object when to objects touch

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

If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes or no?