Which of the gases listed below would not be collected via water displacement?
a. co₂
b. ch₄
c. o₂
d. nh₃
e. h₂

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?

Which of the following are sources of revenue for media companies? a. direct sales to producers b.advertising and subscriptions c. online purchase d. capital investments

Astudent states that 9.0 g of baking soda will form an unsaturated solution in 100 g of water. what do you need to know to decide whether this statement is correct? a. the temperature of the water and the molar mass of baking soda b. the percent by volume of the solution and the solubility of baking soda c. the temperature of the water and the solubility of baking soda at that temperature