How many Sig Figs are in each of the following? a. 0.0000055 g
b. 3.40 mL
c. 1.6402 g
d. 1.020 L
e. 16402 g
f. 1020 L

Which of the following statements are evidence that gases do not always behave ideally? check all that apply.? a. co2 gas becomes dry ice (solid co2) at 1 atm and –78.5 °c. b. when two gases are mixed, they follow dalton\'s law of partial pressures. c. at 4 k and 1 atm, helium is a liquid. d. it is impossible to compress a gas enough so that it takes up no volume.