54.2 mL of gas are collected at 25.0oC and 87.5 kPa. What volume would the gas occupy at STP

Match each object to its description: a. coma of a comet b. comet tail c. oort cloud haze surrounding a nucleus created by solar wind. hypothetical sphere around the solar system

Which symbol can be used to indicate the pressure at which a chemical reaction is carried out? 25°c 2 atm pa

Which formula equation represents the burning of sulfur to produce sulfur dioxide? s(s) + o2(g) 4502(9) 2h2s(s) + 302(g) —> 2h20(0) + 2502(9) 4fes2+1102 —> 2fe2o3 + 8502 2802(g) + o2(9) v205 , 2503(9)