What stops the process of diffusion in cells? *

vesicles

equilibrium

respiration

elements

Is air a gas or vapor

How does the biosphere interact with the hydrosphere

If you stirred some sugar in hydrochloric acid there would be a violent chemical reaction. This is because - Select one: A. sugar and hydrochloric acid have chemical properties that permit the reaction. B.

Frozen CO2 or dry ice is different from CO2 gas in the atmosphere because it has a. no mass b. a fixed shape c. a lower density d. no fixed volume

Which statement is true regarding methane and ammonia? 1. methane molecules show hydrogen bonding 2. ammonia molecules show hydrogen bonding 3. methane has stronger hydrogen bonding than ammonia 4. both the compounds do not show hydrogen bonding 5.

Explain why ice is able to float on water

Lewis dot structure for F2 (g)

Suppose a student did not fully redissolve the Al (OH) 3 that initially formed upon the addition of H2SO4. Predict and explain how this would impact the apparent percent yield this student determines.

A 20.00 g milk chocolate bar is found to contain 12.00 g of sugar. How many milligrams of sugar does the milk chocolate bar contain?

Sedimentation is least likely to occur