A container of oxygen has a volume of 349 mL at a temperature of 22.0°C. What volume will the gas occupy at 50.0°C if the pressure remains constant?

Use the drop-down menus to answer each question. which runner finished the 100 m race in the least amount of time? which runner stopped running for a few seconds during the race? at what distance did anastasia overtake chloe in the race?

If a solution had a ph of 7 what is the solution

Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.