(20 POINTS )HELP. If a solution is basic, which of the following properties would be present?

Question 3 options:

reacts with metals to produce hydrogen gas

taste sour

turns blue litmus paper red

feel slippery

The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.

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