Three samples of gas each exert 77 kPa in separate 2 L containers. What pressure do they exert if they are all placed in a single 2 L container?

Given that the molar mass of nano3  is 85.00  g/mol, what mass of nano3  is needed to make 4.50  l of a 1.50  m nano3solution? use  .6.75 g18.9 g255 g574 g

Y=‐1x + 7 if y has a value of ‐24 what is the value of x?

Over the last 90 years, scientists have added to the body of evidence supporting the big bang theory. what is the latest piece of evidence discovered in 2014?