The ph of a solution is 2.60. what is the [h3o+] for the solution?

How have the greenhouse gasses increased from the year 2000 to 2018

Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by

Before it was launched, a helium-filled balloon had a pressure of 201 kpa at a temperature of 27°c. at an altitude of 15,000 m, the pressure had decreased to 2.5 kpa and the temperature had dropped to -14 °c. the volume of the balloon increased to 59.3 m3. what is the original volume of the balloon? 13 m3 0.85 m3 0.077 m3 1.17 m3