1.31 times 10^-22 / 6.6262 times 10^-34

What mass of Neon gas is needed to occupy 2.56 L tube at STP?

Ammonium hydroxide has the chemical formula NH4OH. Which statement is true about ammonium hydroxide?

Determine the volume (liters) of 0.750 m naoh solution required to neutralize 1.50 l of 0.500 m h2so4. the neutralization reaction is: h2so4 (aq) + 2naoh (aq) → na2so4 (aq) + 2 h2o (l)

What happens when you compress a gas

During digestion, hydrochloric acid (HCl) lowers the stomach's pH and this causes the enzyme pepsinogen to be converted to its active form, called pepsin.

A student states the following: "Since acetone (nail polish remover) evaporate more readily than water, one would assume that acetone has weaker intermolecular forces than water." Evaluate their claim. (2 sentences)

A catalyst can only be used once. True False

On what basis do we distinguish between substances and separate them from one another?

What is the net ionic equation for the following reaction? H2CrO4 + Ba (OH) 2

How does improving food-storage facilities make farming more sustainable? A. It decreases the amount of water needed. B. It keeps food from rotting as quickly and being wasted. C. It decreases the amount of land needed. D.