Calculate the gas constant, R, if 25.55 mL of hydrogen gas was collected at a barometric pressure of 0.987 atm and a temperature of 295 K. The vapor pressure of water at this temperature is 0.026 atm.

Which animal would be best adapted to live in the desert? Question 2 options: a rabbit with fur that is brown in summer and white in winter a rodent that sleeps underground during the day a white fox with long fur and a thick body a bird with dark

What mechanical waves needs a medium to travel through? A. all mechanical waves need a medium to travel through B. surface waves only C. transverse and longitudinal waves only D. longitudinal and surface waves only

im found only in plant cells im as green as can be i make food for the plant using the suns energy what am i?

What is the relationship between particle size and wheathering rate

What particular right is given with the last of the Bill of Rights? Only the rights of the people Rights reserved for the states Summary of all freedoms Final call for freedom of speech for the future generations

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.