Which statement describes both homogeneous mixtures and heterogeneous mixtures?
a. their components can be distinguished visually
b. their components are combined in a fixed ratio
c. their components can be separated by physical processes
d. they always contain a liquid component
e. they are considered to be pure substances

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?

Which sentence from holes contains an implied personality trait? stanley and his parents had tried to pretend that he was just going away to camp for a while, just like rich kids do. he'd just been in the wrong place at the wrong time. stanley felt somewhat dazed as the guard unlocked his handcuffs and led him off the bus. stanley nodded to show he understood