You have four samples of oxygen gas . Each sample contains the same amount of oxygen . Which sample would have the highest pressure ? A ) 1.0 L of oxygen at 25 ° C B ) 5.0 L of oxygen at 25 C C ) 1.0 L of oxygen at D ) 5.0 L of oxygen at 50 ° C Explain your answer in 2-4 sentences

The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.

The equation picture below shows which type of nuclear reaction u 235 + n x e 134 + sr 100 + 2n

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