Step 5: Measuring the Volume of Air Near 20°C (Room Temperature)
Use tongs to put the beaker (with tube and
thermometer) on the hot plate.
600 ml
200
100
LO
Temperature of gas:
°C
Height of the column of gas:
cm DONE
) Intro​

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na, so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g

Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange